Coralife Deep Six Hydrometer Listing site - US When used submerged it displays

When used submerged it displays the water temperature in your tank or secure it outside to display the air temperature

Fits Fluval Spec 16

With our vast experience we were able to pick up on manufacturing similarities between these aquarium brands

Hides filtration equipment

Constructed of beautiful high-quality acrylic in the USA

Coralife Deep Six Hydrometer Listing site - US When used submerged it displaysThe newly redesigned Coralife Deep Six Hydrometer delivers precise, reliable measurements of your aquariums salinity and specific gravity. Its improved calibration and integrated bubble diffuser ensure consistently accurate readings every time. The built in base allows the hydrometer to stand securely on any flat surface for easy, hands free testing, making it the perfect tool for maintaining a healthy marine or reef aquarium environment. Range is 1.