Environmentally friendly refill pack for quick preparation of tap water into biotope-friendly aquarium water, for freshwater aquariums and turtles Use in new installations, water changes and for strengthening after fish diseases, binding problem substances from tap water, neutralisation of copper, lead, zinc, chlorine and chloramine For healthy water and healthy fish, protection of mucous membranes, gills, skin and fins with aloe vera included With vitamin B complex to protect against stress and strengthen the immune system Box contents: 1 x JBL Biotopol water conditioner for freshwater aquariums, refill bag, 625 ml