Real Reef Rock - Large Arches (4 pcs) 30lb Box TSA and provides your corals with

and provides your corals with all the essential minerals in bioactive form

The A400 IPU also has a 0-10v port for external control from aquarium controllers like the CoralVue HYDROS Control 4

Body Size: 4in

15 mm (3/8" - 2/3")

Real Reef Rock - Large Arches (4 pcs) 30lb Box TSA and provides your corals withThere will be an extra shipping charge for heavy products like sand, rock, or salt. Approximately 14" on Average in Length, hand made so all the designs slightly different. Real Reef Arches are Here! The best looking manmade rock now in Arch form. Real Reef Rock is our standard reef building rock. It comes in a variety of sizes from small to show size custom. It is very light, porous and full of holes and crevices. It is three dimensional in shape and