Florida Crushed Coral, 15 lb. filter media The return pump circulates water

The return pump circulates water which carries nutrients

not only does it ruin the look of the tank

Pump: Bubble-magus Rock DSP1000 pump

as well as noxious odors

Removes unwanted biofilms and reduces yellowness

Florida Crushed Coral, 15 lb. filter media The return pump circulates waterCORALine Natural dramatic colors and textures combined with pH support characterize our Coraline and Seaflor products. These are coarser materials suitable for most undergravel filtration and fish systems or as an accent for finer sands anywhere where elevated pH values are desirable. Consider the Coraline products in brackish or Cichlid aquariums (Central American or African). Seaflor Puka Shell substrates are great additions to fine sands in reef