Evolution Aqua Surge Filter OPEN DAY On a single pass

On a single pass

10% of the volume of the water in the pond/aquarium should be changed on a weekly basis

Special Note: Most users of Blanket Answer have found that after one dose no more has been required

if you choose a quantity of "5" you can make a note at the checkout of what variety you would like ie '2 x Kohaku

Evolution Aqua Surge Filter OPEN DAY On a single passInnovative Pond Filter with UVC The Surge Filter is an innovative filter that will help to deliver crystal clear, healthy water for ponds up to 5,000 Litres. There are no dirty sponges or foams to clean so you get to keep your hands dry, giving you more time to enjoy your pond. Key Features Keep your hands dry Foam free, easy self cleaning technology. More time to enjoy your pond Reduces filter cleaning and maintenance. Crystal clear and healthy water