CaribSea Inc -CaribSea Purple-Up Coralline Algae Accelerator - 16 Oz

CaribSea Purple Up Coralline Algae Accelerator is safe for use in all size saltwater fish tanks, but is ideal for use in large-size aquariums (50 gallons or more). The accelerator formula encourages the growth of pink and purple coralline algae for a natural look in your fish tank. Since Purple-Up is not a fertilizer it does not promote the growth of nuisance algae. Purple-up uses a unique dual me