STAX Gone are the days of trying to precariously balance rocks, STAX is the new wave of aquascape design. STAX are flat, porous, oolitic limestone rocks for building layered aquascapes, for marine and freshwater aquariums. The layered rocks provide a stable structure for your aquascape without limiting your creativity to oddly shaped rocks. This design allows you to … Continue reading STAX – Flat Aquascaping Rocks From Two Little Fishes