13 Best Aquarium Controllers

I remember being stressed out about the well-being of my fish.

What if the temperature got too much for them? What if the pH was not suitable?

It kept me awake for quite a lot of nights.

All that changed once I got introduced to aquarium controllers.

These machines make maintaining an aquarium a breeze.

Let me share what I have learned to make things easier for you.

Contents show

13 Best Aquarium Controllers

ProductUseDimension 
Inkbird ITC-306T Pre-Wired Electronic Heating Thermostat Temperature ControllerTemperature controller5.5x2.7x1.3 inch
AutoAqua Smart ATO Micro Automatic Top off SystemMonitors salinity levels2.8 x 6.3 x 6.5 inches
Glass Co2 Drop Checker with 4dkh/PH SolutionMonitors CO2 levels4.8 x 3.4 x 3.3 inches
Zoo Med AquaSun Aquarium TimersLight controller4.3 x 3.5 x 8.8 inches
Hydor Smart Wave Circulation Pump ControllerControls circulation pump7 x 1.2 x 2.8 inches

Aquarium Controllers Detailed Product Reviews

1. Inkbird ITC-306T Pre-Wired Electronic Heating Thermostat Temperature Controller

 

 Key Facts
  • Brand: Inkbird
  • Temperature Control Range: -50 to 99 °C / -58 to 210 °F
  • Humidity: 20 to 85% (No Condensate)
  • Power output: 1200 watt
  • Sensor Type: NTC sensor
  • Sensor Length: 6.56ft
  • Length of input power cable: 5ft.
  • Length of output power cable: 1 ft.
  • The dimension of body: 5×2.7×1.3 inch
  • Dimension of socket: 3.3×1.7×1 inch
  • Warranty: 1 Year

This pre-wired output temperature controller by Inkbird is among the most reliable options you will come across while looking for aquarium controllers.

It features dual time cycle setting allowing you to set two temperatures within 24 hours as per day and night. This ensures that you can set the temperature according to the requirement of your aquatic life.

There is more;

It has a large power output which makes it highly suitable for a variety of applications.

Remember, it does not have a cooling function and is a heating controller alone.

PROS

  • It is provided with quite a convenient design and is quite easy to use as it supports reading with both Fahrenheit and centigrade.
  • Features dual display window which allows you to view the measured and set temperature simultaneously
  • Allows you to set a different temperature for day and night as per the needs of your fish, ensuring that you provide them with the best possible environment
  • Is equipped with a sensor fault alarm that ensures that your fish does not have to suffer

CONS

  • The temperature probe is not always accurate, which can be dangerous for the fish at times.
  • It makes a quiet buzzing sound as it transmits power, which is noticeable in a quiet room and can be annoying for some.

2. AutoAqua Smart ATO Micro Automatic Top off System

 

 Key Facts
  • Brand: Smart ATO Micro
  • Power: 4.5W at DC 12V
  • Flow rate: 74GPH
  • Maximum height: 6.5 ft.
  • Pump cord length: 5.5ft
  • Power cord length 5.5ft
  • Inner diameter: 6.5mm
  • Outside diameter: 8mm
  • Dimension: 2.8 x 6.3 x 6.5 inches

Saltwater aquariums tend to get increasingly saline as salt is left behind after evaporation of water which can be harmful to the fish.

This is where the ATO system comes to your rescue as it replenishes the water all day, ensuring that the salinity of tank remains stable.

The best thing;

You can easily install the unit as it is devoid of any moving parts.

Furthermore, it is also provided with quite a compact design.

PROS

  • The unit comprises of all the things you might need to maintain the water and level of salinity of your tank. Thus, you do not have to make any additional purchases for the purpose.
  • The optical sensor works optimally even in complete darkness, ensuring that your fish get suitable environment throughout the night.
  • Owing to the integrated quick security technology that the system features, it is protected against failure, and thus you do not have to worry about the safety of your fish being compromised.
  • It is quite easy to set it up. All you need to do is move the optical sensor to the right level with the help of magnetic mounting, and your work is done.

CONS

  • The ability of the sensor to monitor the levels of water accurately might be compromised due to the LEDs.
  • It is essential that the siphon is mounted higher than the level of water for proper functioning. The water level may drop when the pump runs.

3. Glass Co2 Drop Checker with 4dkh/PH Solution

 

 Key Facts
  • Brand: NilocG Aquatics
  • Weight: 11.2 ounces
  • Dimension: 4.8 x 3.4 x 3.3 inches
  • Compatible with 4dkh fluid and ph. reagent
  • Waiting period for the result: 2 hours
  • Optimal CO2 concentration: 30ppm which leads to green light to green color
  • Low CO2: Blue color
  • Too high levels: Yellow

Aquarists tend to be worried about maintaining adequate levels of CO2 in their tank such that no harm falls on the fish. This CO2 drop checker can be of immense help.

You can use it to monitor the levels of carbon dioxide in the tank with ease ensuring the optimal health of your fish.

To top it, it is provided with everything you need for the purpose, and you will not have to purchase anything else.

PROS

  • The 4dKH fluid and reagent come premixed, ensuring that you get accurate results.
  • It is quite easy to use and is provided with a flip top bottle, which ensures that you do not have to face any trouble with the use of syringes or similar other items.
  • It is easy to read the results as you are provided with an indicator chart. All you need to do is compare the color of the solution with the chart, and you will get the results.

CONS

  • It is constructed from quite a thin glass which is easily breakable.
  • The lighting in the tank can make reading the results difficult at times.

4. Zoo Med AquaSun Aquarium Timers

 

 Key Facts
  • Brand; Zoo Med
  • Weight: 2.88 ounces
  • Dimension: 4.3 x 3.5 x 8.8 inches
  • Provided with LED lamp indicator and manual override

If you have a habit of forgetting to turn off the lights of your aquarium, this unit is just what you need as it automatically turns the light off.

The best thing, it works with all kinds of LED lights of tanks, thereby ensuring that you can use it with ease.

Furthermore, it makes use of a program analogue design that is quite easy to use.

PROS

  • It is compatible with all types of lights that feature in aquariums making it quite a versatile option.
  • You can use it to set up a natural cycle of day and night for your fish without having to stress about remembering to set the lights.
  • It offers reliable performance and is quite durable as well.

CONS

  • Beginners might find it hard to understand the instructions
  • With time, the ticking sound of the timer can increase in intensity, which can be quite annoying.
  • The time settings on the dial are somewhat accurate at times.

5. Hydor Smart Wave Circulation Pump Controller

 

 Key Facts
  • Brand: Hydor
  • Weight: 14.4 ounces
  • Dimension: 7 x 1.2 x 2.8 inches
  • The maximum power that can be handled by each channel: 100W
  • Features 2 different feeding programs, manual or programmed

If you want to make sure that your precious aquatic life gets an environment as close to its natural habitat as possible, this might be just the thing for you.

This wave circulator will ensure that your fish feel truly at home in the tank.

It works with the pumps to recreate the natural currents that the fish would experience in its natural habitat.

PROS

  • It is provided with a built-in hanger making installation quite easy. It is also quite easy to conceal.
  • Features two movement programs, alternating and synchronized wherein the exchange times are between five seconds to six hours ensuring that your fish gets a natural environment
  • It is compatible with most of the movement pumps, ensuring that you can buy it without any worries.

CONS

  • It produces a clicking noise when the pump turns on or off which can be distracting
  • You cannot use it to control the intensity of the pump. It merely controls the power.

6. Current USA eFlux Wave Pump Kit

 

 Key Facts
  • Brand: Current USA
  • Weight: 1.3 pounds
  • Flow range; 132-660 GPH
  • Range of power: 1-5 watts
  • The maximum thickness of glass: 10mm
  • Maximum capacity of saltwater tank: 40 gallons
  • Maximum capacity of freshwater tank: 65 gallons
  • Dimension: 6.3 x 5.7 x 3.7 inches

This is just the right kit for all those who want to make sure that their aquatic life feels at home in their tanks in the best way possible.

This wave pump kit makes sure that the fish feels closer to its natural habitat.

It does so by providing wide circulation. It also improves the quality of water, ensuring that your fish remain in optimal health.

PROS

  • The kit includes everything you might need, including a DC transformer, LED display, remote control, foam cover, IR sensor cables and much more. Thus, no additional purchases are required.
  • It allows you to control the direction of water flow with ease.
  • You can program three water pumps via the remote control, and the LED display will provide you with information about the velocity and current mode of each making it easier for you to control the tank environment.
  • It is easy to install the unit owing to the magnetic bracket that comes with it.
  • It is provided with silicone pad which ensures that it operates quietly

CONS

  • The remote control cannot be wholly relied upon.
  • A large number of cables and cords might become challenging to handle.

7. Malida Water Pressure Gauge Stainless For Aquarium

 

 Key Facts
  • Brand: Malida
  • Weight: 7.2 ounces
  • Dimension: 3.5 x 3.2 x 1.3 inches
  • Features Stainless Pressure Gauge 220 PSI with fitting

Provided with quick fit connections for 1/4inch water pipe, this is quite a suitable choice for the systems with reverse osmosis as well as marine systems.

Remember; you can avoid quite a lot of problems by using a pressure gauge with your setup as it ensures that proper pressure of water is maintained in the tank.

PROS

  • Installing it is quite easy, and it is highly unlikely that you will face trouble understanding it.
  • You get reliable and accurate readings via the gauge.
  • It also includes a connecting tube with quick connect T making setup all the more easier.

CONS

  • If you do not ensure proper securing of the plastic fitting, it can leak.
  • The gauge is quite heavy and thus additional support will be required for mounting.
  • The gauge has an air bubble which might make it difficult for you to read the results.

8. Hygger Titanium Aquarium Heater

 

 Key Facts
  • Brand: Hygger
  • Power: 50W
  • Length of heater rod: 8.7inch
  • Length of the power cord of heater and controller: 5.5 ft.
  • Length of thermometer cord: 4.4 ft.
  • Temperature control range: 32℉to 104℉
  • Suitable for tanks with a capacity of up to 5 to 10 gallons

If you want to make sure that your tank remains comfortable for the fish, this aquarium heater can make things quite easy for you.

Setting it up is quite easy, owing to the long power cords.

To top it, you are also provided with mounting holes which you can use if you want to hang the unit to the wall.

PROS

  • It is quite easy to use, as it is automatic.
  • The tube is compact, making it quite easy for you to conceal it in the tank. Furthermore, as it is made from titanium, you would not have to worry about using it in a saltwater tank.
  • You get to view the water temperature and the set temperature simultaneously giving you clear information about the condition of the tank.
  • The wide temperature range makes it easier for you to get your desired setting.

CONS

  • The unit can slide down the side of the tank as the suction cup mounts are not fully effective all the time.

9. Milwaukee Instruments 716690 ph. Controller

 

 Key Facts
  • Brand: Milwaukee
  • Weight: 1.85 pounds
  • Range: 0.0 to 14.0
  • Set Point Range: 5.5 to 9.5 ph.
  • Dimension: 10.3 x 4.9 x 4.8 inches

Designed especially for hydroponic systems and aquariums, this controller can ensure that the pH levels of your tank are maintained in the best way possible.

Setting it up is quite easy.

Furthermore,

You are provided with a mounting kit, buffering solution and probe holder to make things all the more convenient for you.

PROS

  • With a range of 0.0 to 14 and 0.2 ph. accuracy, this controller ensures that the ph. levels of your tank are within your control to the maximum possibility.
  • You can select the set point following which a LED visual alarm will activate if the ph. reading of the tank is higher or lower, ensuring that you remain up to date with the tank conditions.
  • When the reading reaches the preselected level, the power is automatically turned on.

CONS

  • You might find it difficult to calibrate the probe at times.

10. American Marine PINPOINT pH Monitor

 

 Key Facts
  • Brand: American Marine
  • Weight: 290g
  • Dimension: 22.1 x 10.4 x 6.3 cm
  • Monitors the pH of the tank and turns the carbon dioxide system on and off automatically as per requirement.

This ph. monitor is ideal for the tanks that have a carbon dioxide system in place.

It is highly effective in monitoring the pH levels in freshwater and marine tanks. You will find it quite easy to use.

Furthermore, you will find it quite convenient as well.

PROS

  • Using it is quite simple. All you need to do is select the high and low set points. If either of the set points is reached, the related power outlet is switched on automatically. Thus, you do not have to worry about your tank conditions.
  • High-quality materials have been used for the buttons, power outlets and case making it sure that the unit will last for a long time.
  • It is provided with a compact design which makes it easier to handle it.

CONS

  • It does not record the levels of ph.
  • The monitor does not have an alarm, and thus, you are not alerted if there is some fault in the tank conditions.

11. Salinity Refractometer

 

 Key Facts
  • Brand: Agriculture Solutions
  • Reference temperature: 20 Celsius
  • Length: 195 mm
  • Range of scale of salinity: 0 – 100 ppt. (0 – 10 %)
  • Scale range of salt solution density: 1.000 to 1.070 g/cm3
  • Dimension: 2 x 3 x 8 inches

This reliable salinity monitor is designed for saltwater tanks.

It is provided with two different scales, ensuring that you get the results you are looking for.

To top it, the metal probe is constructed from chromium, making it quite durable. You would not have to worry about it rusting.

This unit can be of immense value in monitoring the conditions of your marine tank.

PROS

  • The system is quite easy to use. You will need merely a few drops of the liquid on the optical part of the Refractometer to get the results.
  • It includes everything that you might require for use including a plastic case, suction tubs, cleaning cloth and even a screwdriver. Thus, you would not need to buy any accessories.

CONS

  • The calibration can be somewhat tricky for some.
  • Those with bad eyesight might find it difficult to read the results as the numbers are quite small. Good lighting will be required.

12. Bluelab CONTPH pH Controller

 

 Key Facts
  • Brand: Bluelab
  • Weight: 2.19 pounds
  • Control Range: 0.1 – 13.9 pH
  • Dose Rate: 10ml per minute
  • Resolution: 0.1 pH
  • Operating Environment: 0 to 50 ̊C / 32 to 122 ̊F
  • Screen Display Languages: English, Deutsch, Española, Francis, Nederland
  • Dimension: 8.2 x 4.2 x 7.7 inches

If you are looking for an easy to use device that would assist you in keeping your tank fresh, this is one of those controllers that will not let you down.

Capable of scanning the ph. levels consistently, this unit offers you a great deal of convenience.

The best thing; you will find it quite easy to adjust the settings as per your requirement.

PROS

  • The ph. probe does not require buffer refills.
  • If you make sure that residue does not buildup, it can last for more than a year.
  • The display and controls are easy to use. You can view all the adjustments on the display screen along with a guide on how to change it.
  • It is compatible with the temperature control probe.
  • It shuts off dosing automatically when overdosing occurs.
  • High acidic levels cause activation of the alarm and locking of the device.

CONS

  • It does not dose as per the ph. of the tank.
  • The green LED panel cannot be turned off.

13. Seneye Home Aquarium Monitor

 

 Key Facts
  • Brand: Seneye
  • Weight: 4.6 ounces
  • range of monitoring: 6.4 and 9
  • Dimension: 6 x 8.5 x 2.1 inches
  • Constant monitoring of water temperature
  • Monitors the levels of ammonia

If you are new to the world of aquarists and are worried about monitoring the tank conditions so that no harm befalls on your fish, this monitor is just the thing you need,

Designed to be submerged in the tank, this monitor ensures that you do not get any false readings.

It can play a pivotal role in protecting your fish from toxic ammonia levels.

Keep in mind; the slides have to be monthly replaced.

PROS

  • Installing it is quite easy as it follows a simple drop-in system.
  • The data is downloadable.
  • The monitoring information can be accessed via mobile phone from the cloud.

CONS

  • It merely alerts you about the tank conditions but cannot control any device to change the settings
  • The slides that have to be replaced monthly are quite expensive
  • The customer service is not satisfactory

What is An Aquarium Controller?

Aquarium enthusiasts will appreciate the importance of the controllers.

Aquarium controllers are vital tools for maintaining the conditions of the tank and ensuring that the fish get the best environment to thrive.

Beginners might feel that the tools are a tad bit pricey and not really required.

However, once you start maintaining an aquarium, you realize how difficult it is to monitor all the aspects of it.

To sum it up; an aquarium controller functions as a brain for the tank.

It keeps an eye on its conditions and acts according to the information it receives.

An aquarium filter can perform various functions depending on its type, such as:

  • Control the calcium reactions
  • Monitor the speed pumps
  • Close the dosing pumps
  • Turn the chillers off and on as per the temperature of the water
  • Monitor the parameters of water in the tank, such as temperature and Ph.
  • Feed the fish automatically
  • Control the schedule of the lighting of the tank to ensure the fish gets an environment as close its natural habitat as possible.

Remember;

You have put in quite a lot of money in your aquarium.

You would not want your negligence to cause harm to your fish.

And this is where the aquarium controller will come to your assistance.

It will alert you if anything is amiss with the tank so that you can take appropriate measures.

Why Should You Get An Aquarium Controller?

The function the aquarium controller performs depends on the type you buy.

However, one thing is unanimous in all the types of controllers.

They alert you about an impending problem in the initial stages.

This is not all; the controllers also play a vital role in maintaining a stable environment in the tank.

It is not easy to keep tabs on the various aspects of the aquarium.

It is quite common for aquarists to worry that they forget something.

Controllers relieve you of this stress.

The best thing;

You can find a vast range of types of controllers.

Thus, whether it is the lighting of your tank or the Ph and the temperature of the water, you can be assured that an aquarium controller can monitor it effectively.

You need to select the type of controller according to your tank.

For instance, if you frequently forget to turn the light of the aquarium on and off, you need to look at a lighting controller.

On the other hand, if you wish to make sure that your precious fish feel at home in the tank, you can get water motion controllers to keep the environment natural.

Why is it Necessary to Monitor The Tank Conditions?

Imagine this; you sleep after ensuring that your precious fish are well fed and taken care of. However, you wake up to find them dead.

Sounds alarming, doesn’t it?

This is what happens if you do not monitor the conditions of your aquarium.

Fish cannot tolerate changes in their environment and thus can incur health problems owing to them.

Ph. Levels

Ph is the measure of the level of acidity in a substance.

If your tank is too acidic or alkaline, the quality of life of fish can be affected drastically.

Indeed, it can even lower their lifespan.

Different species of fish have varying requirements for Ph.

For instance, saltwater fish need an alkaline environment with the pH levels within the range of 7.5 to 8.

On the other hand, freshwater fish usually need pH levels to be maintained between 5 and 7.5.

Thus, you need to make sure that the Ph. Levels are optimally maintained if you do not want your fish to be affected.

Temperature

Too cold temperature can be life-threatening to the fish.

Take the example of goldfish, which are cold water fish. They live in cool streams, rivers and lakes.

However, if the temperature gets too cold, they stress out and may ultimately die.

This does not mean that fish require hot water.

Even too warm water can be harmful to the fish.

The fish requires oxygen dissolved in water to survive.

Warm water has less dissolved oxygen compared to cold water, and thus, the lack of oxygen might prove fatal for the aquatic life.

The suitable temperature of some of the species is:

  • Reef aquarium: 75-78 degrees Fahrenheit
  • Freshwater fish: 76-80 degrees Fahrenheit
  • Saltwater fish: 78-82 degrees Fahrenheit

Remember this;

Fish can die of shock owing to sudden changes in temperature, pH or hardness of the water.

A controller can make sure that that your fish does not face this fate.

How should I select An Aquarium Controller?

Considering the wide variety of options available, determining which aquarium controller you ought to opt for can be a challenging feat.

However, some factors must be given attention to.

The Parameter You Want to Control

The first thing you need to decide is what parameter of the tank you need to control.

For instance, many aquarists who own freshwater tanks want to keep a close eye on the pH and dosing of carbon dioxide.

Thus, they use Ph. Control device wherein the desired range of pH is programmed into the machine.

The pH probe monitors the Ph. If ph. Levels are elevated, the carbon dioxide solenoid valve is opened by the controller.

On the other hand, if it drops, the valve is turned off.

Similarly, some aquarium owners prefer to keep a close check on the temperature of the tank and thus use a temperature monitor.

The heater is switched off by the controller if the water is too warm while a cooling device is turned off simultaneously and vice versa.

Many aquarists prefer using advanced controllers.

These modular devices offer you more control of the tank.

They record the parameters, alert you regarding the conditions and enable you to control the conditions of the tank via a smart device.

Keep in mind;

Pay heed to the type of tank you have and the fish you own before deciding on the controller you should purchase.

Manufacturers

A lot of brands offer aquarium controllers.

However, it is crucial to make sure that you opt for a brand that you can rely on to produce quality products.

Remember;

The quality of life of your fish is at stake.

Therefore, no chances should be taken.

Price

It is vital to decide on a realistic price that you are willing to spend on the controller.

The price of the device is determined by functionality that it offers.

For instance, if a controller merely records the reading, it will cost lower compared to a device that not only records it but also takes measures to rectify it in case of a problem.

Therefore, while looking at the price tag, take a look at the functions the controller performs as well.

There is more; you would not want your tank, which costs you thousands of dollars to bear the brunt because you decided to save a few bucks.

Keep this in mind while deciding on the price you are willing to pay for a controller.

Accuracy

The whole point of a controller is to keep a close check on the parameters of the tank.

Fish are quite sensitive. Even minor changes in the environment can stress them out.

Therefore, you need to ensure that the controller you use provides you with accurate results.

Power

The power ratings of the aquarium controllers are essential as well.

Most controllers available on the market have suitable power ratings that ensure effective results.

Power rating also influences how your controller would fare in case of a power surge.

Indeed, some units even offer 1200 watts of power.

How do I Decide Which Type of Controller I Should Opt For?

To ensure that you find the right type of controller, you first need to be aware of the categories.

Generally, the aquarium controllers can be categorized into four groups.

Spectrometers

This device monitors the amount of electromagnetic radiation that the light in the tank emits.

The aquariums that have a lot of aquatic plants and reefs will benefit from this controller.

This is because the aquatic life in such tanks is influenced by the photosynthetic properties for their development.

Temperature Monitor

Think about it; fish cannot tolerate drastic changes in temperature.

Thus if the internal temperature of the aquarium is not maintained at specific levels suitable for the fish, it can be fatal for them.

Thus, temperature monitors are quite useful in ensuring that the internal environment of your tank remains comfortable for the fish.

Ph. Monitors

It is vital to monitor the salinity of the tank, particularly if you have saltwater fish.

Ph. Monitors can ensure that the pH of the water is maintained at specified levels.

Bundles

Bundle controllers basically comprise of multiple monitors and controllers.

Indeed, some are compatible with automatic feeders.

They dispense the food into the aquarium at the intervals you set.

If you have a hectic work schedule and often tend to forget about maintaining your tank, perhaps this is something that would be suitable for you.

Is There Anything I Should be Cautious About while Using Aquarium Controllers?

There is no denying that aquarium controllers are highly beneficial.

But there is another side; controllers are, after all, a device and thus there is always a room for error.

There are some things you will need to be careful about while using aquarium controllers.

Power Failure

You need to think about what would happen to the tank in case of a power failure.

If you use a controller merely for turning the lights on and off, this is not a great deal.

However, if the device controls the salinity or temperature of the water, this can be an alarming problem.

Proper Maintenance

Devices can alert you about a problem and take some measures to correct them.

However:

They should not be considered an alternative to maintenance.

It is essential to remain alert to the conditions of your tank.

The machine does not care what happens to the fish.

On the other hand, fish are your responsibility.

Thus, you cannot leave anything to chance.

Malfunctioning

You cannot rule out the possibility of the controllers malfunctioning.

Therefore, ensure that you check them regularly.

Make sure that they operate correctly.

If you have opted for a brand that has an effective customer support service, this will become easier for you.

Does it Matter if my Tank is Freshwater or Saltwater?

Most controllers are designed to be compatible with both, freshwater and marine water.

However, it is still essential to make sure of this.

Those with freshwater tanks can use any waterproof probe without any worries.

On the other hand, saltwater tanks have a bit of a problem.

This is because salt water causes corrosion of a lot of metals and since probes are constructed from metal, you will need to make sure the one use is made from an anti-corrosion metal such as titanium.

The good thing is;

You can swap out the probes in most controllers.

It is advisable to buy a titanium probe if you have a saltwater tank.

Sealing the probe in epoxy or covering it with heat shrink might also work.

Can I Find A Product that can Monitor All The Parameters of The Tank?

This might be a challenging feat.

There are very few controllers that can measure all the parameters, such as temperature, pH and lighting.

Many brands are trying though.

However, it is rare to find pH controllers on multi-use devices.

Should I Get A Controller with A Built-in Alarm?

Yes. This will ensure that you are alerted about any problem at the earliest.

Whenever there is a change in a tank that can harm the aquatic life, you will be notified.

This will make sure that you can check if the controller has done its work of rectifying the change when there is time.

Is The Performance of The Filter System Affected by The Controller?

No. The controllers do not inhibit the performance of the filters.

The purpose of filters is to remove waste and debris from the tank, and the controller has no impact on it.

On the other hand:

The performance of pH controllers is improved owing to a sound filtration system.

This is because the water contains lesser impurity to influence the results.

Does The Size of The Aquarium Affect The Performance of The Controller?

Yes.

Controllers usually have specifications about the tank they are suitable for.

Therefore, make sure that you read the specifications carefully to determine whether the controller is compatible with your tank.

Other related questions

Why is light important in a fish tank?

Most people tend to think that lighting merely enhances the viewing experience and makes the tank look beautiful.

This is far from reality.

Lighting is also a source of oxygen and energy for the fish.

It is vital for the development of aquatic life.

If you want to make sure that your fish remains healthy and grows optimally, you will need to give due importance to the lighting in the tank.

How do I lower the pH in my freshwater aquarium?

There are specific measures that can be taken to lower the pH of a freshwater tank.

  • Adequate filtration
  • Adding driftwood, peat moss or almond leaves to the tank as they are natural neutralizers of ph.
  • Decrease aeration
  • Use reverse osmosis filter

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