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Gray Coast™ Calcite is an all natural calcite substrate for all types of marine
start with 1 drop per gallon each day (1 teaspoon per 100 gallons)
Onyx Sand™ is most effective when used alone as an integral substrate bed
The carbon is then washed in hydrochloric acid to reduce water and acid-soluble compounds and improve purity
One of the active ingredients in Fritz FixIck is Gentian Violet
Red Sea Filter Media Cup Ferns Gray Coast™ Calcite is anRed Sea filter 4" media cup with free media bag. An easy to clean alternative to our micron filter bags, suitable for all Red Sea REEFER & MAX systems. Holds 1 liter of filter media with optimal water flow. FREE media bag included.
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