Dymax Cosmetic Sand 4kg (dm523)

Dymax Cosmetic Sand 4kg (DM523) Substrate for aquascaping and landscaping Features: Dymax Calcite Sand is an ideal substrate for bottom dweller fish, corydoras and shrimps. Natural sand from mountains, streams and rivers pH value neutral Wash carefully before use Sand substrates are great for fish only aquariums, serving the purpose of providing a surface for the beneficial bacteria to build colonies. With todays filter technology, the size of the gravel does not really matter, but it is recommended to use a finer gravel if bottom feeders are home in the tank. The substrate should be about 5-6.5cm in height (or depth) in the base of the tank (which is roughly 4kg of substrate for approximately 380 square centimeters of tank surface).