The key component for any reverse osmosis unit is its membrane. The membrane will determine the type of contaminants removed and how much water the unit will produce. Our Captive Purity Hi-S (High Silicate) membranes are the gold ...
This is a fired ceramic disk that does not need to be soaked before using. They are excellent for zoanthid growout and color up nicely in your tank.
100% cotton pique, high quality, white polo shirt with navy blue trim on the collar and cuffs and the Marine Depot logo embroidered on the left chest.