Stop Algae by Starving It of Phosphate
Nuisance algae and cloudy diatom films thrive on the phosphate and silicate building up in your water. Left unchecked, they smother rock, glass and corals no matter how often you scrub.
PhosGuard rapidly removes phosphate and silicate from marine and freshwater aquaria. It is highly porous for high c...
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PhosGard
I use PhoGard to control silicon in saltwater aquarium