Top 10 auto top off system [2022]

We found [imga_totalreview] reviews when researching. We have considered users feedback on the and our suggestions includes only the finest of them in this article.

Comparison Chart of Top 10

1. XP Aqua Sumpless ATO – Complete Aquarium Auto-Top-Off System for Sumpless Aquariums

2. hygger Mini Intelligent Auto Top Off System with Controller Magnetic Mount Aquarium ATO Pump Water Refill Saltwater Reef Tank Supplies up to 60 Gallon

  • 【How does it Work】Automatic top off system with 2 optical sensors monitors and replenishes evaporated water each day. A great time and energy saver for saltwater tank fish keeper especially when you are not at home.
  • 【Fail-Safe Design】build in two set of sensors, hygger auto top off keeps track of the water line of aquarium/sump tank. ATO monitoring sensor which keep a constant watch on the water level in your tank, and when it drops below a certain level and the water pump will be activated to automatically refill the tank. While the external sensor monitors reservoir’s water level to ensure the water pump not running dry as a result of water drying out.
  • 【Overfill Protection】Use a top probe to sense the high water level, the ATO sensor alerts with flashing led light and beeping sound if there is any malfunctioning with the device itself, auto shut off the water pump when the water level exceeds the desired maximum top off level. It to be used in both marine and freshwater aquariums up to 60 gallon.
  • 【Enable Drain Out Water】 Comes with a mini DC-powered water pump and a soft hose which can effectively pumps water from bucket/jug with a head height of up to 2 meters. Vice versa. It can also drain dirty water out of the tank. Flow rate: 74gph.
  • 【Packing Include】 1 x ATO monitor sensor; 1 x external sensor; 1 x water pump; 1 x 5.9 ft soft hose; 1 x hose holder; 1 x user manual. A read-to-go kit out of box, it is easily installed via a magnetic mounting which can be used on tank glass up to 1/2” (12mm) thickness.

3. Kamoer ATO One SE Smart Automatic top Off System Silent Water Replenisher Water Level Controller for Fish Tank Water Tank Aquarium(with Submersible Pump and Sensor)

  • Kamoer ATO one se automatic water replenisher, a good helper for the fish tank at home!It has the function of adding water overtime alarm to prevent water level overflow caused by sensor failure.
  • This ATO is equipped with S1 float sensor, also called anti-overflow sensor (to prevent excessive water replenishment and water overflow) and S2 optical sensor (also called water replenishment sensor). Usually note: In the case of ATO running normally, S1 is not working, and the float state is sinking. S2 works.(Sensors may fail if not properly installed, make sure they are properly installed (or unplugged and reinstalled).)
  • In daily use, S2 is a sensor that detects the lowest water level. The function of S1 is to cause the float to rise when the water level exceeds the S2 optical sensor and reaches the S2 float sensor when S2 fails (for example, foam is generated in the sea tank, etc.) Alarm, stop refilling.
  • Please install the sensor correctly (the main picture has a picture description), otherwise the product will not work. And the distance between the two sensors is not less than 10cm. The height difference between the make-up bucket and the sump/master tank should not exceed 1.5 meters, and the liquid level of the make-up bucket should not be higher than the liquid level of the sump/master tank.
  • Some problems mentioned in product reviews: such as quality assurance, installation problems, and product failure to work, etc., please watch the demo video and detailed introduction on the details page. We give a detailed explanation on the details page.

4. Fzone Triple Sensors Aquarium Auto TOP Off Water Refiller System Smart ATO Auto Filling Tank With Intelligent SPT Algorithm

  • 3 OPTICAL SENSORS. Triple sensor system monitors your water level to ensure the desired water levels without any failure. “LOW” sensor starts the pump to fill the tank when water level is below “LOW”. “MID” sensor provides real-time failsafe protection against failure, “HIG” sensor provides the second guarantee to avoid overfill.
  • SMART SPT(Single pumping time) ALGORITHM. SPT(Single pumping time) makes the pump work in real-time to add the water in right amount. SPT avoids overfill and prevents the pump from running dry.(Read the detail page for more information about SPT)
  • BUILT-IN CUSTOMIZBLE BUZZER. Buzzing function can be turned on/off as needed. The buzzer sounds when the pump runs dry, when the tank has a high water level, or when the sensor isn’t working.
  • PLUG-AND-PLAY ALSO WITH ADVANCED FUNCTIONS. After finishing device initialization, you can forget about it. Also, it has advanced functions such as “child lock”, “high level monitor”, “Buzzer turnning on/off”, “one press to fill manually”…
  • ONE CABLE LOOKS TIDY. All-in-one design and magnetic suction cups make installation simple. The device is installed outside of tank, keeping the inside of the tank tidy. Suggest it used on rimless and less than 12mm thick tank.

5. hygger Aquarium Alarm Auto Top Off Kit, Fish Tank Smart ATO Water Pump Auto Refill Water and One-Key Drain Water, Water Level Monitor Two Pairs of Protection Sensors for Saltwater Freshwater Tank

  • 🐟SOUND ALARM: New security technology, two optical sensors monitor the water levels, double protection, can attract your attention quickly. When it occurs below situations, it will make a loud beeping noise to warn you: ① The water pump that placed in the bucket is out of water. ②Water pump’s electric wire loose. ③External sensor is out of water. ④Fish tank water level is higher than the auto top off monitor pump.
  • 🐠LED INDICATORS ALARM: The red light is constant brightness, which means it is working normally,off is not ok. If other lights flash, it indicates that there is an issue with the device, which needs to be checked and corrected with reference to the manual. YELLOW LIGHT: water pump drain water; BLUE LIGHT: water pump refill water; GREEN LIGHT: external optical sensor; RED LIGHT:power adapter.
  • 🐡DOUBLE APPLICATION: Auto refill and one-key drain water. Put the water pump in the fish tank, and plug the water pump cord into the upper(Yellow light hole) to drain water. On the contrary, put the water pump into the reserve water tank and plug in Blue light hole for auto refill water, and plug in external optical sensor to avoid water shortage in the reserve water. “M” button, PAUSE/CHANGE WORKING MODE.
  • 🐢SIMPLE TO USE: Easy to install and use, no complicated programs. Connect water pump, external sensor and power supply to monitor and it’s ready to run. Suitable for saltwater and freshwater tanks(up to 60 gals). Can be installed in a cabinet filter or directly on the aquarium edge. Because of monitoring, no longer have to worry about the lack of water in the spare water tank placed in a hidden location.
  • 🦐QUALITY MATERIAL: ATO MONITOR * 1,super strong magnetic, firmly fixed on the wall of the fish tank (≤12mm). WATER PUMP * 1, DC 12V 5W, H.max:6.5FT, Q.max:74 GPH. HOSE * 1; EXTERNAL OPTICAL SENSOR * 1,widen the edge, the monitoring is more precise. POWER ADAPTER * 1,DC 12V 1A. UNIVERSAL HOLDER *1, for 3/4 inch thickness tank, hose holder. USER MANUAL *1.

6. AutoAqua Smart ATO Lite SATO-260P Automatic Top Off System Water Filler Refiller Water Level Controller w/ Pump (SATO-260P)

  • Extremely easy to install with integrated magnetic mount
  • No moving parts to fail
  • Dual-optical level sensor in one pack provides dual protection
  • QST (Quick Security Technology) provides real-time failsafe protection against failure
  • LED light alert, Everything needed is included

7. XP Aqua Duetto Dual-Sensor Complete Aquarium Auto Top Off ATO

  • the Duetto is the perfect ATO for your aquarium

8. Smart Auto Top Off System, ATO System, Fish Tank Sump Water Filler Refiller, Automatic ATO System for Aquarium with Pump

  • ◕‿ ◕💛 Simple, complete, Smart Automatic Top Off System, aquarium automatic water supply system, super easy installation and maintenance. Suitable for aquariums up to 5/8″(16mm) thick, durable PC material holder to prevent move, adjustable bracket on holder make different water levels possible.This auto water filler suitable for fish tank, statuary pond, aquarium, hydroponic.
  • ◕‿ ◕💜 Relay control, Smart ato System precise dual float water level sensor for overfilling protection. When the water goes below the minimum water level , the power will be activated, the pump automatically works, and cut off once the water level reach to maximum. The second float ball will work when the first float ball fails.This automatic water top off system will help you controll the water level reliabelly.
  • ◕‿ ◕🐠 Siphon break. The siphon break is optional installation part. It is recommended that the water level of display tank be higher than the reservoir, and DON’T leave the end of the water supply pipe in the water, otherwise, it will siphon after the pump shuts off, if so the siphon break must be installed at the end of the water supply pipe.
  • ◕‿ ◕❤️Plug-and-Play with all parts included. Auto Top Off System has everything you need is included, this auto top off system will also come with a pump and a ETL listed power adapter. Safely keep sump water levels stable, no moving parts that can fail.
  • ◕‿ ◕🍀 Our smart ato water controller system is suitable for all kinds of fish tanks, aquariums, sumps, hydroponics etc. Fish Tank Sump Water Filler Refiller`s the range of water level from aqurium sump top is 0-17cm or 0-6.7″.Suitable for aquariums up to 5/8″(16mm) thick , save you a lot of time to enjoy your life. The Smart ATO Complete Kit will never make water overflow your tank, it is especially suitable for the sump with a lot of evaporation. 12 month warranty!

9. Tunze 3152.000 Nano Osmolator, ATO for Aquariums under 55 Gallon

  • Simple, complete, Auto Top Off System
  • Designed for tanks up to 55gals
  • Safety timer shuts off system after 1.8 or 3 minutes as set by user
  • For Best Performance refer User Manual & Follow Instructions

10. ATO System, Smart ato System, Auto Top Off System, Fish Tank Sump Water Filler Refiller, Automatic ATO System for Aquarium with Pump,Water replenishment system, Smart ato System for fish tank

  • 💧💧【Simple, Complete, Smart Automatic Top Off System】 aquarium automatic water supply system, super easy installation and maintenance. Suitable for aquariums up to 5/8″(16mm) thick, durable PC material holder to prevent move, adjustable bracket on holder make different water levels possible.
  • 💧💧【Relay Control】 precise dual float water level sensor for overfilling protection. When the water goes below the minimum water level , the power will be activated, the pump automatically works, and cut off once the water level reach to maximum. The second float ball will work when the first float ball fails.It can effectively avoid the influence of wrong information and is more reliable than other sensors.
  • 💧💧【Siphon Break】 The siphon break is optional installation part. It is recommended that the water level of display tank be higher than the reservoir, and DON’T leave the end of the water supply pipe in the water, otherwise, it will siphon after the pump shuts off, if so the siphon break must be installed at the end of the water supply pipe.
  • 💧💧【Plug-and-Play with all parts included】 Everything you need is included, it will also come with a pump and a ETL listed power adapter. Safely keep sump water levels stable, no moving parts that can fail.
  • 💧💧【Widely Used】Suitable for all kinds of fish tanks, aquariums, sumps, etc. The range of water level from aqurium sump top is 0-17cm or 0-6.7″.Suitable for aquariums up to 5/8″(16mm) thick, save you a lot of time to enjoy your life. The Smart ATO Complete Kit will never make water overflow your tank, it is especially suitable for the sump with a lot of evaporation. 12 month warranty!

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