Blagdon Ammonia Remover instantly removes toxic ammonia from your pond. Ammonia is the waste product excreted by fish and can be fatal if not processed. It is constantly produced in the nitrogen cycle by fish and decomposing organic matter in your pond. By using this product ammonia is converted into a non-toxic compound and then brokwn down by filtration bacteria. 500ml treats 4546 litres (1000 gallons). Also available in 250ml bottle.
