JBL PhosEx Ultra

Aquarium Phosphate removal: filter material for usage in aquarium filters
Application: put the filter material when entering into the bag and put it into the filter
Insoluble iron compounds no substances are released in water
Svaigam and seawater: 340 g for permanent bound 18 mg phosphate.
Included: PhosEx ultra 340 g filter material, including a mesh bag, clip