Reef Crest Refillable DI Shell Aquarium Air Pumps Conductivity probe: Sold separately

Conductivity probe: Sold separately

Adjust the amount based on the number of fish

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

Use the titration colour change to determine the calcium level

Coralline Color Epoxy Pack Details

Reef Crest Refillable DI Shell Aquarium Air Pumps Conductivity probe: Sold separatelyReef 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