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Bubble Magus universal float valve
Ergonomic grip/flip handle for easy flipping from Scrubber to Scraper
Unclogs gravel/coral beds
1 L (500 g) per 1000 L (260 US gal lqd) aquarium water if applied in a flow-through filter unit
Red Sea Trace-Colors Pro Multi Test Kit
Red Sea Seawater Refractometer control and monitor Bubble Magus universal float valveRed Sea seawater refractometer Integrated automatic temperature compensation Red Sea 'Reef Spec' guarantee Red Sea's seawater refractometer is specifically designed to measure absolute salinty of seawater for reef aquariums. Calibrated for seawater. Measuring the salinity of seawater with a standard refractometer calibrated for brine (NaCl) solution will result in a deviation of up to 1. 5ppt.