Fluval Sea Saltwater Levered Hydrometer Fluval Filters it’s easy to keep a

it’s easy to keep a beautiful saltwater

The appearance of tiny black or blue specks indicates beyond range concentrations

the product may slightly colour water

Under "Dashboard"

Lagoon mode simulates a low-energy lagoon environment

Fluval Sea Saltwater Levered Hydrometer Fluval Filters it’s easy to keep aFluval Sea Levered Hydrometer Fluval Sea Hydrometer provides an accurate and convenient method of measuring specific gravity and salt level in marine aquariums. Regular testing is strongly recommended as stable salinity levels are essential for the health of marine fish and invertebrates. Compact and easy to use, the hydrometer can be permanently installed inside the tank for continuous readings. Its slim, low profile design camouflages well inside