Coralife Deep Six Hydrometer Sponges Ionically balanced with Reef Code

Ionically balanced with Reef Code A when equal amounts are used

Mature males have a light green band on the body like a belt

Ideal for Goniopora

Not intended to raise shrimp to adult size

Coralife Deep Six Hydrometer Sponges Ionically balanced with Reef CodeCoralife Deep Six Hydrometer Coralife Deep Six Hydrometer is a marine aquarium salinity and specific gravity meter for checking saltwater concentration in reef and fish only systems. It provides easy to read specific gravity and salinity scales with a bubble resistant design for more reliable readings. Marine Salinity Testing for Reef and Fish Only Aquariums The Deep Six Hydrometer is designed for routine saltwater aquarium maintenance where salinity