Collection: Reef Crest Aquatics

This range covers the practical supplies that keep a system running: RO/DI sediment and carbon cartridges, membrane housings, quick-connect fittings and DI resin; bulk calcium chloride, magnesium, sodium bicarbonate and sodium carbonate; bulk pelletized carbon; and aquascaping stone such as Dragon, Seiryu, Pagoda and Elephant stone. Filter socks, frag glue, PVC valves, CO2 packages and LED light bars are here too. Check the fitting size, 1/4 or 3/8 inch, before ordering RO parts.