Key Features Effective biological sludge digester Effective in reducing cleaning of ponds and filters Contains beneficial organisms Safe for Wildlife and Pets Use every 2-4 weeks for best results Blagdon Sludge Buster contains cultures of biological organisms which actively consume organic sludge, fish droppings, dead plant, etc. It therefore reduces the cleaning of your pond and filters. By regular use it is possible to have a silt-free pond without a filter (even though in most cases it is desirable). Specifications 1 Pack (4 sachets) treats 9,000 litres (2,000 gallons)
