JBL Pro Clean Bac 50 ml

For healthy fish and clear, clean aquarium water Use: shake disposable cartridge, open and put entire content into the aquarium.
Ideal for 60-200 litres freshwater Always use after: water change, filter cleaning, medication and adding of new fish Breaks down ammonium/ammonia and nitrite.
Supports the filter and reduces sludge (dirt on the ground) Package contents: 1 disposable cartridge with 50 ml concentrate of living cleansing bacteria for freshwater aquariums