PhosGuard, 20 L / 5.3 gal.

 

Amazon.com Price: $538.58 $293.30 (as of 10/09/2018 16:14 PST- Details)

Rapidly removes phosphate and silicate from marine and freshwater aquaria
Highly porous for high capacity and bead shaped for optimum water flow
Outperforms all competing products

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Description

PhosGuard rapidly removes phosphate and silicate from marine and freshwater aquaria. It is not recommended for phosphate buffered freshwater. PhosGuard is highly porous for high capacity and bead-shaped for optimum water flow. It outperforms all competing products. 500 mL easily treats over 150 gallons*. This product is sold by volume. Cited weight is minimal weight.
Rapidly removes phosphate and silicate from marine and freshwater aquaria
Highly porous for high capacity and bead shaped for optimum water flow
Outperforms all competing products
Not recommended for phosphate based buffers in freshwater aquaria
250 milliliters easily treats over 75 US gallons