Auto Top Off Units

Auto Top Off Units

Auto Top Off Units

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  1. Avast Marine Top Off Kit

    Avast Marine Top Off Kit

    Starting at: $89.99

    Finally, a top-off control sensor that is mounted to your sump with a magnet rather than a clunky bracket! Driven by a pressure-sensitive switch located in the relay box, a strong magnetic field won't affect its operation. The sensor tube can't get clogged with calcium deposits or activated by wayward snails as there are no moving parts. Our top-off system is capable of maintaining the sump water level within +/- 1/4" tolerance (1/2" overall) and features a built-in range buffer or hysteresis effect, which prevents rapid on-off switching that sometimes occurs when cheap float switches bob up and down in small waves. The magnet bracket is capable of holding on up to 1/2" thick glass. The slim design relay box is unobtrusive and can handle up to a 3 amp pump at 110v AC. The green LED light indicates when the circuit is active and the pump is running. Learn More
  2. Tunze 3152.000 Nano Osmolator
  3. Innovative Marine Aqua Gadget Hydrofill ATO

    Innovative Marine Aqua Gadget Hydrofill ATO Controller System

    $199.00

    Hydrofill Auto Top Off Controller System

    Pre-Order.  We expect the 1st shipment to arrive by the 1st or 2nd week of August.

    Learn More
  4. Aqua Gadget Hydrofill ATO Pump System
  5. Auto Aqua Smart ATO-Automatic Top Off System

    Auto Aqua Smart ATO-Automatic Top Off System

    $149.99

    Auto Aqua Smart ATO-Automatic Top Off System

    Intelligent Aquarium Automation

    Includes everything to install & operate. Optical water level controller, universal bracket and DC pump with tubing.

    Learn More
  6. Elos OsmoController Digital

    Elos OsmoController Digital

    $199.00

    The entirely new Elos OSMOCONTROLLER Digital uses a patent pending sensor with no moving parts as the first measure of the water level in the SUMP. Most other systems will use multiple float switches or sensors to act as back up to the initial float switch, elos does not. We believe the float switch or sensor will always be the weak link as it is usually a moving part and/or in direct contact with the water, most of the time. To provide an adequate fail-safe the Elos OSMOCONTROLLER Digital uses a small microprocessor in combination with our patent pending sensor to control the pump and monitor the top off of your system. In the event of a fault such as an empty reservoir, a damaged pump or kinked tube, the microprocessor will recognize this and a red alarm LED will indicate the problem and stop pumping until the problem is fixed and the controller can be reset.

    The OSMOCONTROLLER Digital also has a manual top off button that can be used to use the system as a pump for occasional water changes and to fill a container with RO/DI water easily.


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  7. Elos Osmocontroller 2

    Elos System Water Level Osmocontroller 2

    $189.99

    Elos System Water Level Osmocontroller 2 Learn More
  8. JBJ Auto Top Off

    JBJ Auto Top Off

    $77.20

    Out of stock

    JBJ Automatic Top Off (ATO) System Water Level controller

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  9. Genesis Reef Systems Storm Basic

    Genesis Reef Systems Storm Basic

    $299.99

    What's Included:

    • (1) STORM™ Control Module
    • (1) Dual Level Sensor Harness
    • (4) Level Sensor Shrouds
    • (2) Level Sensor Mount Vertical Members
    • (4) Suction Cups
    • All necessary Mounting Hardware
    Learn More
  10. Genesis Reef Systems Storm Pro

    Genesis Reef Systems Storm Pro

    $399.99


    STORM™ Pro - Specialized Top Off and Replenishment Module

    What's Included
    (1) STORM™ Control Module
    (1) ROCv™ Module
    (2) Dual Level Sensor Harnesses
    (2) Standalone Level Sensor Harnesses
    (6) Level Sensor Shrouds
    (2) Level Sensor Mount Vertical Members
    (4) Suction Cups
    All necessary Mounting Hardware

    Learn More

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