Provides a surface for beneficial bacteria to build colonies
Wash carefully before use
Sand substrates are great for a 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.
Dymax products go through strict quality control and efficiency examination. With all the standards demanded, the user will have the assurance of Dymax products and their highest achievements.
