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Aquarium Supplies

Dosing Pumps for Aquariums / Top Off Units

Manufacturer
AquaHouse Dosing Pumps
The AquaHouse peristaltic dosing pumps can be used for topping off water lost due to evaporation, dosing trace elements, two-part supplements, kalkwasser or just about any other liquid aquarium supplement or food.
Aqua Medic Dosing Pumps
A high-quality line of peristaltic pumps used for topping off water lost due to evaporation, dosing trace elements, fertilizers, two-part supplements, kalkwasser and/or live phyto- or zoo plankton. 5 pumps to choose from.
AquaMaxx Dosing Containers
Tubeless design for easy lid removal. Bottom exit allows liquid to be drained completely. Stackable and space-saving design. Available Sizes: 1.5 Liter or 3 Liter
AutoAqua Smart ATO - Automatic Top Off System
The Smart ATO is a unique Auto Top Off system with a patent pending contact-less digital sensor that monitors and automates refilling evaporated water.
Bubble Magus Dosing Pump
The Bubble Magus BM-T01 is an accurate micro-computer controlled, three-channel dosing pump. Provides 3 dosing channels and can be extended to 7 or 11 channels with the BM-T02.
Elos System Water Level Osmocontrollers
Automatic compensation of evaporated water. Programmable times for safe operation. With retard-circuit to prevent false activation. Supplied with: a sensor, glass housing, control unit, enclosed power supply and a low voltage pump.
Eshopps Float Valve Auto-Top
This Float Valve can be either hung on the side of a sump or attach through a drilled hole in the side of your sump. The hand crafted acrylic hang-on frame allows for easy adjustment of the water level. The small compact float valve allows you to place it in tight locations.
Hydor Smart Level Control ATO System
Features a waterproof probe with a 3-position level sensor (minimum, maximum water levels and alarm). A magnetic suction cup mount is also included to mount the probe in your aquarium or sump. Easy-to-read LED indicators and an audible alarm.
Innovative Aquatics Sentry Dosing Pump
For top off or dosing additives such as B-Ionic and kalkwasser. Two separate channels, Dark-Activated Dosing, pH Controller & Float-Switch compatibility.
Innovative Marine HydroFill ATO Controller System
Takes advantage of your water's conductive properties to complete a low voltage circuit and cause a control relay to actuate and replenish water. Offers the latest automation in electronic sensing for precise accuracy, repeatability, and no-moving part reliability.
JBJ Automatic Top Off System Water Level Controller
The All-New A.T.O. (Automatic Top Off) device is the most advanced water level controller system on the market. The A.T.O. will keep all salt levels at consistent parameters, ensuring an optimal environment for your tank inhabitants.
Prodibio Dose-N-Drop Dosing System
Dose'n Drop is a manual dosing kit offering an alternate way to the classical vial dosing. It allows to add products in the aquarium several times instead of once every 15 days.
Spectrapure Power Liquid Level Controller
Spectrapure's Power Liquid Level Controller automatically replenishes evaporated liquid in aquariums and is extremely useful for continuous water change systems or other level-control applications.
Tom Aquatics Aqua Lifter—Dosing Pump
The Osmolator top-off system. Precise water level is ensured by a non-wearing optical sensor and a transistor switch without any moving parts.
Tunze Aquarium Dosing System
The Osmolator top-off system. Precise water level is ensured by a non-wearing optical sensor and a transistor switch without any moving parts.
Ultralife Float Switch Controller & Monitor
This easy-to-use flat switch controller/monitor operates for high water or low water applications; it can save you from burning out that expensive pump or can be used for water top off.
Keeping a stable environment is important for the overall health of your aquarium. Water is always evaporating, and trace and major elements are constantly being utilized. A dosing or auto top-off system can simplify the replenishment of these elements, resulting in a more stable aquarium.

Electronic fluid dosers, such as the SpectraPure LiterMeter III, Tunze Osmolator, or the Aqua Medic Dosing pumps can be easily programmed—or used with a float switch—to control precise daily dosing of fertilizers, two-part supplements, trace elements or simply to top off.

The Ultralife Float Switch, Spectrapure Power Liquid Level Controller and JBJ Automatic Top Off System Water Level Controller are excellent choices for auto top-off systems.

The Kent Marine AquaDose and KNOP Level Sensing Device Mini Dosing System are gravity fed top-off systems.

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