Keep your garden water features crystal clear and smelling fresh with this all natural water clarifier safe to use with pets fish birds and plants the fountain cleaner is a quick easy and highly effective way of cleaning the water simply add 25 50ml every week from march to september and every 2 weeks outside of these months for excellent results 500ml algae treatmentp17379 and sludge removerp17321 also available multi buy offer buy any 2 all natural pond or fountain products and sa