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or biological media in marine aquariums
reliable performance with minimal maintenance and maximum control
No nitrates
accurate ORP readings for your aquarium monitoring system
E-20 Real Reef Rock - Arches Large (4pcs) aqua illumination or biological media in marineNEW Nano Shelf by Real Reefs! Designed to imitate natural shelves that can help to make caves and other flat areas for encrusting corals to take over! One or two pieces make a perfect addition to any reefscape. Made from natural Calcium Carbonate sources just like the real thing but without damaging the wild inertly dyed NOT painted wont crumble with time Cured in Seawater but without pests The original, best, and naturally looking rock that
