JBJ - Automatic Top Off Water Level Controller for Aquarium Matrix partial water changes with deionized

partial water changes with deionized water will gradually reduce GH to the desired level

The body without metal parts will not be corrosion of seawater

Fish and other aquatic species may be introduced at any time as long as dosage is maintained for 7 days

It is safe for use in any marine aquarium where chaetomorpha is a part of the nutrient reduction system

Flow Modes:

JBJ - Automatic Top Off Water Level Controller for Aquarium Matrix partial water changes with deionizedJBJ ATO Water Level Controller. Tired of lifting heavy buckets to refill sumps or tanks due to evaporation? There is finally a professional grade product that automates refilling evaporated water. The All New A. T. O. (Automatic Top Off) device is the most advanced water level controller system on the market. Lifting heavy buckets and spilling water is now a thing of the past. Maintaining stable salinity and specific gravity are no longer a problem