Remove phosphate and silicate from fresh and saltwater aquariums with this unique granular suspension from Marc Weiss Aquarium Products. It has a much higher capacity than white or red phosphate pads, with none of the toxicity! Does not leach any absorbed product or animal by-products back into the water. Non-toxic. Works extremely well with E-Z Close Media Bag. In a typically managed 125 gallon marine/reef aquarium, one unit should reduce phosphate and silicates to near zero levels for at least 6 months. 8 oz.
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