Desgined for planted aquariums and aquascaping, Controsand by Ultum Nature Systems is a natural substrate blended for freshwater aquariums and terrariums, Controsand is safe for fish/invertabrates/reptiles. Controsands can be used alone or in combonation, layered to create different scapes. Mojave is an orangey brown fine natural sand containing a mixture of warmer tones. Mojave provides a subtle effect that is ideal for creating natural scenes. Recommended for use in planted aquariums containing Dragon Stone and all driftwoods.