Blagdon Clean Pond Pods - Pack of 12Quick and easy, 5 in 1 water treatment to tackle the most common pond problems. Reduces pond filter cleaning and maintenance Encourages plant growth and flowering Suitable for use in all ponds: planted ponds, wildlife ponds, Koi and other fish ponds Harmless to filters, plants and wildlife 1 Pod treats 500 litres (110 gallons) Blagdon Clean Pond Pods are a powerful and efficient solution for maintaining clear and healthy pond water. This pack of 12