SERA Brand Alder Cones 50 Pack All Natural

SERA Brand Alder Cones 50 Pack All Natural Alder cones for lowering the pH value in a natural way The sera alder cones prevent fungal infections and spawn fungus in a natural way. Additionally, they support natural behavior and readiness to spawn, and they lower the pH value of the water. Alder cones are suitable for preparing black water, which ideally recreates the natural living conditions and thus allows for appropriate care. Application: 1 cone per each 10 l (2.6 US gal.) of aquarium wat