Synergy Reef Systems 16" SHADOW OVERFLOW BOX - Up to 1500 GPH Flow Rate Endich Coral Viewers allow you to

Coral Viewers allow you to view your corals in their true colors from the surface of the water without any surface agitation

Masstick is a self-adhesive tab ready for use in the aquarium

A replaceable electrode extends the life of your digital pH tester

and Magnesium tests

Synergy Reef Systems 16" SHADOW OVERFLOW BOX - Up to 1500 GPH Flow Rate Endich Coral Viewers allow you toWhat is the Shadow Overflow? The Shadow Overflow is a device that is used to divert water flow from your aquarium into your filtration sump. This overflow can be used on any Freshwater, Marine or Reptilian habitats. There are no limitations on where you can use this overflow system. Synergy Reef Shadow Overflow: Revolutionizing Aquarium Filtration Experience the ultimate in precision and quality with the Synergy Reef Shadow Overflow, a 100% injection