Hobby Alder Cones
Hobby Alder Cones are great suppliers of humins and tanning agents, Humins in a aquarium provide plant growth as they release nitrogen, phosphor and sulphur to the water. The Tannings agents helps prevent bacteria and fungi spores harmful to the aquarium and also promotes reproduction of the fish as the black water effect promotes spawning behaviours. The tannins also help a natural and gentle decrease of the pH Value. Harvested from Black Alder Trees this product is 100% natural.