Nero 7 Powerhead - 4000 GPH Calcium Additive you can even set up

you can even set up alerts when your fresh saltwater container is running low

These efficient DC protein skimmers have an easy to read wedge pipe setting indicator

versatility

Fits perfectly in standard egg crate

In saltwater and freshwater aquariums phosphates will feed nuisance algae which can overrun plants and expensive corals spoiling the aesthetics of the tank and in extreme cases killing its inhabitants

Nero 7 Powerhead - 4000 GPH Calcium Additive you can even set upSmall, Powerful, and Smart! Max Flow 4000 GPH Ideal for Aquariums 80 500+ Gallons App control with MyAI, Mobius, or MXM Compatible with Glass Thickness up to 0. 79" (20 mm) Fish Guard Included to Protect Tank Inhabitants AquaIllumination's Nero 7 creates an adjustable broad flow that is strong but gentle at the same time. Traditional propeller designs produce a hard stream that can irritate corals where the Nero 7's innovative propeller pushes water