CoralVue Hydros Skimmer Sensor Part # HDRS-SS-100H --- Current DC Flow Pumps This porous surface media allows

This porous surface media allows the growth and colonisation of this benifical bacteria

Aquarium Systems Instant Ocean Hydrometer Specific Gravity Meter

Rapidly removes phosphate and silicate from marine and freshwater aquaria

Classic 152-S - (space saver)

CoralVue Hydros Skimmer Sensor Part # HDRS-SS-100H --- Current DC Flow Pumps This porous surface media allowsCoralVue Hydros Skimmer Sensor Part # HDRS SS 100H NOTE: You must have a Hydros Controller (Control 2 or Control 4) for this product. Features: Size: Diameter 0. 75"; Sensor 0. 55" thick; Magnet Mount 0. 25" thick Max Mounting Thickness: 1 4" No Moving Parts Magnetic Attachment Protects your protein skimmer from overflowing The Hydros Skimmer Sensor uses a GX12 aviation style connector so the Control 2 and Control 4 maintain their IP65 rating (dust