Tank explorer Innovative Viewing Systems 4 Inch Portal w/ Scrubbing Pads for Glass & Acrylic Aquariums Information Innovative Viewing Systems (IVS) Innovative Viewing Systems A revolutionary new tool for your aquarium. The Portal allows you to enjoy the details of your fish, corals, and invertebrates like never before. Magnetically...

Phos-Feed Phosphate is one of the nutrients with high consumption and often low availability in the reef aquarium as well as in unpolluted natural coral reefs. Phosphate is essential in many growth processes of coral skeleton and tissue.