Description

Macroporous structure sintered quartz rings for marine and freshwater aquariums, ideal as a biological substrate to promote the development of beneficial bacteria without altering the pH of the aquarium. They do not release harmful substances for the life of fish, phosphates or heavy metals.<br />Supplied in 450 g packs, they allow a great versatility of use inside the special compartments of the external and internal filters.</p>.

• - Sintered quartz rings indicated as a biological substrate for marine and freshwater aquariums
• - They favor the development of beneficial bacterial colonies in the large available surface, allow the elimination of toxic ammonia
• - They do not release phosphates, heavy metals or other substances harmful to the life of the fish, they maintain the pH of the aquarium unchanged
• - 450 g pack for great versatility of use. The rings can be inserted into the internal or external filters inside the special biological compartments