Reef Crest Salinity Refractometer Heating & Chillers Supports root-feeding plants with trace

Supports root-feeding plants with trace elements

Lightweight non-compacting format helps reduce weight load on the aquarium glass bottom

Useful for larger sump returns

Soft pad use: Acrylic and lighter algae film

Reef Crest Salinity Refractometer Heating & Chillers Supports root-feeding plants with traceReef Crest Salinity Refractometer The Reef Crest Salinity Refractometer is a precision handheld optical instrument for measuring seawater salinity and specific gravity in reef aquariums, marine aquariums, aquaculture systems and laboratory water testing. Handheld Salinity Testing for Marine Aquariums Accurate salinity measurement is essential for reef and saltwater aquarium stability. This Reef Crest refractometer provides clear dual scale readings,