Coarse 3.0+ mm

You can now bring the world's most exotic reefs into your home with CaribSea's Arag-Alive substrates. Eight environmentally accurate ecoscapes, developed through CaribSea's cooperation with public...

CORALine - Don't settle for an ordinary gravel. Natural dramatic colors and textures combined with pH support characterize our Coraline and Seaflor products. These are coarser materials suitable for...

Our sand-sized Super Naturals are now Super Natural “Aquascapes”. Each bag contains a premeasured dose of beneficial bacteria to help start the cycling process. There are 8 colors to choose from,...