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The pad is soap- and detergent-free
The Juwel bioPlus Course Filter Sponge is suitable for use in both freshwater and saltwater aquariums
Add 1/2 capful for each gallon of water
It measures calcium concentration in marine aquarium water
Use when planted aquarium iron requirements exceed the amount delivered by Flourish™
Red Sea Coral Colors B Potassium 500ml substrate and rocks The pad is soap- andRed Sea Coral Colors B Potassium Red Sea Coral Colors B Potassium 500ml is used to replenish potassium and boron levels in coral aquariums, essential for nutrient transportation and skeleton formation in corals. Red Sea Coral Colors B is a complex of Potassium and Boron. Potassium plays an essential role in the transportation of coral nutrients within the soft tissue (including the nutrients provided by the Zooxanthellae). Potassium and Boron
