Nautilus Emergency Float Valve coral hardy macroalgae widely used in

hardy macroalgae widely used in saltwater refugiums and sumps to naturally reduce unwanted nutrients

sera perfectly put this into practice with the unique high performance filter medium sera siporax

Compatible with Apex

25" length

If the water temperature is below the above mentioned values then allow the water in the test tube to acclimate at room temperature for 10 minutes prior to testing

Nautilus Emergency Float Valve coral hardy macroalgae widely used inThe Nautilus emergency float valve shuts off your pump automatically when it detects high or low water levels. An audible alarm sounds when the float is tripped. This is useful for protein skimmers when the collection cup fills it will shut the pump off and prevent overflows. In sump it is useful for protection from low water levels the pump will fully shut off before it begins drawing in air. (Nautilus pumps have additional dry run cutoffs built in