Aqua One AquaFill Automatic Top Up Unit For Sump Systems

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The AquaFill automatic top up system is designed to maintain a stable water level in an aquarium or sump. In marine systems, automatic top up aids in maintaining stable and consist ent salinity levels by providing small amounts of replacement water constantly as evaporation occurs. The 3 float switch system ensures reliability and prevents damage to the top up pump in the event the reservoir is emptied. Suitable for: Marine Show more