Reef Crest Refillable DI Shell Aquarium Air Pumps Use the included conversion chart

Use the included conversion chart if specific gravity or percent salt comparison is needed

Supports macroalgae

An extender cable for either between lights or between controller and your A360 Kessil light

Conductivity probe: Sold separately

It can also tolerate low salt concentrations in brackish aquariums

Reef Crest Refillable DI Shell Aquarium Air Pumps Use the included conversion chartReef Crest Refillable DI Shell The Reef Crest Refillable DI Shell is a reusable refillable cartridge shell for holding DI resin in standard RO DI water filter systems that accept 10" cartridges. Reusable DI Shell for Standard 10" RO DI Units This refillable shell gives aquarium keepers a practical alternative to replacing an entire DI cartridge every time the resin is exhausted. Instead, the shell can be opened, refilled with compatible mixed bed DI