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underneath your carpet
Fully adjustable flow
Modern Design to Suit Any Lifestyle
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With the HYDROS Launch
Fritz calcium gallon free shipping only underneath your carpetFritz RPM Elements contain the essential building blocks of reef keeping. Developed to easily adjust & maintain proper parameters, promoting healthier coral, coralline algae and invertebrates. It is impossible to maintain a healthy, vibrant reef aquarium without maintaining the proper levels of calcium, alkalinity and magnesium. FRITZ RPM Elements allows aquarists to maintain these critical components in their proper ionic balance. Unlike other