In 1985 TUNZE® invented the “auto top off” system. Critics initially derided the idea as an invention for lazy people… They missed the main point: delicate aquatic life requires a constant osmotic pressure. The Osmolator® - shor...
Automatic Top Off System with Controller & Sensor in One
What is Smart AFS Technology?
The Smart ATO is a unique Auto Top Off system with a patent pending contact-less digital sensor that monitors and automates refilling eva...
The Tunze Nano Osmolator 3152 is an economical aquarium top off with more features than are typically found on competing units.
The Tunze Nano Osmolator is great for nano aquariums and tanks up to 55 gallons. Featuring a ...
Purchase a JBJ Automatic Top Off System and receive an Accella Submersible Powerhead/Pump FREE!
JBJ Automatic Top Off System
Tired of lifting heavy buckets to refill sumps or tanks due to evaporation?
There is finally a ...
Hydor Smart Level Control - water level management system
Smart Level is the new versatile fully electronic water level controller designed by Hydor. Smart Level safely and easily handles the aquarium and sump water level due...
Easy-to-use auto top off system that is ready to go out of the box!
Includes one float sensor with magnetic mounting bracket and top-off pump.
The float sensor is enclosed in a protective acrylic enclosure to prevent snails or...
The Container 2.0 can hold up to 2 supplements for any dosing purposes. Great for 2-part Calcium and Alkalinity Supplements! There are a total of 2 chambers (3L each). A solid blue body prevents algae growth. Viewing ports allows ...
Pair your auto top off with the industry`s first low voltage air lift pump specifically designed for ATO (auto-top-off) controllers. *controller required and sold separately. The HydroFill ATO Pump System eliminates the guess...
*ATO pump required and sold separately.
Automate freshwater replenishment, and say farewell to heavy lifting, unstable water parameters, and the need to frequently watch your water line.
Topping off evaporated water for our...
This attractive fluid containment system stores your dosing fluids in style and even tells you when it’s time to refill!
Each side stores two liters (2L) of fluid
Connects directly to your DOS
Optical sensors inform your AP...
Due to their growth, corals and algae consume the calcium dissolved in the water. The deficit caused can be compensated by the use of a calcium dispenser filled with calcium hydroxide and water. Conventional plants consist of lar...
Peristaltic pump for all bypass filters and for dosing of trace elements The SP 3000 dosing pump is an economic peristaltic pump for pumping small volumes of water. It can be used with bypass filters such as the Aqua Medic Nitrat...