Waterlife Parazin 20 Tablets

Waterlife Parazin is a parasiticide that treats fish lice, anchor worms, gill maggots and other crustacean parasites / predators that attack coldwater and tropical fish. Will not harm filters, fish, or plants. Parazin should not be used in aquaria containing crayfish, crabs, shrimps, lobsters, snails, or other related species. Read instructions carefully before use.. Contains 20 tablets, sufficient for 2 doses in 450 litres of water.