【Wide Application】- Our biochemical pearls can be used not only in saltwater biochemical filtration system, but also freshwater biochemical filtration system, perfect for use in aquariums , ponds and aquariums. < li >【Function】- A good helper to restore the natural water quality and provide the most suitable living environment for your fish. 【Working method】- When the water circulates in the inner space, the time is extended, with the nitrifying bacteria can be used to achieve the biochemical filtering effect 【Large volume】- Strengthen the bacterial filtering effect, light and easy to carry. Description: The biochemical ball is light and easy to carry. It can be used not only in seawater biochemical filtration system, but also in freshwater biochemical filtration system. Perfect for use in aquariums, ponds and aquariums. Specification: Item Type: Filter for aquarium > Material: PVC+Sponge Black color Optional type: 16mm, 26mm, 36mm, 46mm, 56mm, 76mm Quantity: 50 pieces Scope of
