The Reef Octopus FW-220 is a reliable automatic top-up (ATO) system designed to maintain stable water levels in freshwater and marine aquariums. By automatically replenishing evaporated water, it helps protect equipment, maintain salinity, and ensure a healthier aquatic environment. Featuring dual optical sensors for accuracy and safety, the FW-220 offers simple installation and dependable performance, making it ideal for both beginner and experienced aquarists. Features: Automatic top-up system for fresh & marine aquariums Dual optical sensors for precise and safe operation Helps maintain stable water levels and salinity Compact design with easy installation Reliable Reef Octopus build quality Ideal For: Marine aquariums Freshwater tanks Sumps and refugiums A smart and essential solution for maintaining consistent water levels and peace of mind.
