Decorator Crab Dosing Parts & Supplies Choose the Flat Mount version

Choose the Flat Mount version when the light will be clamped to a sump rim

the controller can open the valve when water is needed and close it when the target level is reached

Designed to work with Foundation A Calcium+ and Foundation C Magnesium

Wide surface area helps reduce cleaning time

Decorator Crab Dosing Parts & Supplies Choose the Flat Mount versionThe Spider Decorator crab looks like an underwater tarantula covered in bits of live coral, macroalgae, sponges, shells, and any other small objects from its environment providing excellent camouflage. It is an opportunistic feeder and small or weakened tank mates may become fair game. It grows up to 4 inches and is easy to feed on fish food.