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.
Electronic fluid doser for daily dosing of fertilizer or other additives in your aquarium. Doses 1 ml per rotation with up to 8 rotations per 24 hr period. Made in Germany.
For top off or dosing additives such as B-Ionic and kalkwasser. Two separate channels, Dark-Activated Dosing, pH Controller & Float-Switch compatibility.
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.
An economical gravity fed dosing/top-off system that is low maintenance, easy-to-use and features an adjustable drop gate. Available in three sizes: 1400ml, 2.5 and 5 gallons.
The Mini Dosing System from KNOP keeps the surface of your aquarium water at a specified level by refilling fresh water, ensuring a constant salinity. Best of all, it works without electricity, instead relying on the gravity power of an elevated container. Alternatively, it can also be fed via pump.
A precision dosing system for the aquarium. One unit can control up to three pumps for dosing Kalkwasser, trace elements, or topping off evaporated water.
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.
The Osmolator top-off system. Precise water level is ensured by a non-wearing optical sensor and a transistor switch without any moving parts.
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.