The ZipGrow Matrix Media™ Replacement for 3’ ZipGrow™ Towers has massive biological surface area and high percolation for great performance in aquaponic systems. Replacements are slightly oversized to give the material a longer use cycle in ZipGrow™ Towers. The ZipGrow Matrix Media is one piece and the material is a black color for algae control and is compatible with the use of redworms. Lasts for more than a year of continuous use.
(This product is available only in the U.S.)