Dosing and Auto Top Off (ATO) pumps and equipment offer you an easy way to keep up with the maintenance of your aquarium. Dosing pumps allow you to supplement trace elements, calcium, magnesium, alkalinity and other additives to your aquarium in a controlled way. Auto-Top off pumps and accessories are used to replace tank water lost to evaporation, allowing you to maintain a more stable aquatic environment.

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  • Aqua Lifter Suction Filter

    Aqua Lifter Suction Filter

    Suction Filter for Aqua Lifter Vacuum Pump.…

    $7.37
  • Aqua Lifter Vacuum Pump AW-20

    Aqua Lifter Vacuum Pump AW-20

    This unique one-of-a-kind vacuum pump is designed to lift water with its diaphragm and flappers. There are many applications for this pump such as drip system for reptile terrariums, watering device f…

    $32.13
  • AquaDose [1400 mL]

    AquaDose [1400 mL]

    With its adjustable gravity drip system the Kent AquaDose is an economical no mess solution to dosing your system with Kalkwasser and other mixes.…

    $41.31
  • AquaDose [2.5 gallon]

    AquaDose [2.5 gallon]

    With its adjustable gravity drip system the Kent AquaDose is an economical no mess solution to dosing your system with Kalkwasser and other mixes.…

    $79.22
  • ATO Reservoir Tank [Large]

    ATO Reservoir Tank [Large]

    You don't have to worry about water evaporation anymore with these new ATO units. The sharp and clean unit comes with a shut-off valve attached and can easily be used with a Float Valve to help mainta…

    - Additional Shipping Item

    $167.99
  • ATO Reservoir Tank [Medium]

    ATO Reservoir Tank [Medium]

    You don't have to worry about water evaporation anymore with these new ATO units. The sharp and clean unit comes with a shut-off valve attached and can easily be used with a Float Valve to help mainta…

    - Additional Shipping Item

    $125.99
  • ATO Reservoir Tank [Small]

    ATO Reservoir Tank [Small]

    You don't have to worry about water evaporation anymore with these new ATO units. The sharp and clean unit comes with a shut-off valve attached and can easily be used with a Float Valve to help mainta…

    - Additional Shipping Item

    $89.99
  • Calcium Dispenser for Osmolator 5074

    Calcium Dispenser for Osmolator 5074

    The addition of calcium hydroxide (kalkwasser) is a traditional method for adding calcium to a reef aquarium. When used in conjunction with a Tunze Osmolator 5074 the Tunze Calcium Dispenser is used t…

    $152.95
  • Digital Spoon Scale

    Digital Spoon Scale

    When precision matters, the Seachem Digital Spoon Scale is the perfect companion tool for the serious aquarist. Accurate and easy to use, it will ensure precise dosing of any chemical or supplement up…

    $29.09
  • IceCap Liquid Dosing Pump w/Power Link

    IceCap Liquid Dosing Pump w/Power Link

    The IceCap Liquid Dosing Pump is an energy efficient precision output peristaltic pumps can be used for topping off water lost due to evaporation, dosing trace elements, adding two-part supplements, b…

    $109.99
  • IceCap Liquid Dosing Pump w/Power Supply

    IceCap Liquid Dosing Pump w/Power Supply

    The IceCap Liquid Dosing Pump is an energy efficient precision output peristaltic pumps can be used for topping off water lost due to evaporation, dosing trace elements, adding two-part supplements, b…

    $109.99
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    Kamoer 3-Channel Dosing Pump

    Kamoer 3-Channel Dosing Pump

    Elements dosing can be dosed accurately to 1 mL. The programming is simple: You enter the daily amount and number of doses per day (in auto mode) or alternatively, you can use the timer functions to d…

    $339.99
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    Kamoer 4-Channel Master WiFi Dosing Pump

    Kamoer 4-Channel Master WiFi Dosing Pump

    This Kamoer WiFi 4-Channel Master Dosing Pump Features: Temperature detection, Temperature Hi and Low alarm, Liquid level detection (floats included), WiFi controllable and more.…

    $489.99
  • Liquid Dosing Container 2.0

    Liquid Dosing Container 2.0

    Eshopps Liquid Dosing Container 2.0 can hold up to 2 supplements for any dosing purposes. There are a total of 2 chambers which hold 2 liters each.…

    $91.80
  • Liquid Dosing Container 5.0

    Liquid Dosing Container 5.0

    Eshopps Liquid Dosing Container 5.0 can hold up to 5 supplements for any dosing purposes. There are a total of 5 chambers which hold 2 liters each.…

    $160.65
  • Osmolator Magnetic Mount

    Osmolator Magnetic Mount

    Magnet holder for two sensors.…

    $44.80
  • Osmolator Nano

    Osmolator Nano

    For small aquariums, a stable osmotic balance is important, because they are particularly sensitive to constantly changing salt concentrations. The Osmolator® nano which was specifically designed for…

    $139.12
  • Osmolator Pump Only

    Osmolator Pump Only

    Replacement metering pump for the Tunze Osmolator or Osmomat. The pump runs on 9 volts DC.…

    $32.89
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    Osmolator Top-Off System

    Osmolator Top-Off System

    Water level regulator with two sensors suitable for use in cabinet filters, in Comline filters or directly on the edge of the aquarium.…

    $294.32
  • Photo-Electric Cell

    Photo-Electric Cell

    Permits operation of Turbelle Stream pumps in night mode with Singlecontroller 7091. Attached to the connecting port, the night-mode operation is activated automatically. The photo-electric cell can b…

    $24.85
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