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.
This is a fired ceramic frag cave that does not need to be soaked before using. Made with removal plugs for easy coral colonizing and transfer. The caves provide a hiding place your fish and inverts will LOVE!
This is a fired ceramic disk that does not need to be soaked before using. No post means they are easy to re-position on egg crate or your frag rack.
The larger size is great for grow-out of your favorite corals.