Evolution Aqua Blanketweed - All Natural Solution 400g - 4kg Evolution Aqua Blanketweed is 100% fish, plant and wildlife safe and using it wont negatively affect any beneficial bacteria or biological filters. It can be used in any ornamental ponds or closed bodies of freshwater and UV clarifiers do not need to be turned off when using it. An all-natural product, the addition of Evolution Aqua Blanketweed will turn pond water white and cloudy for up to five days, but water will clear. It is most effective in ponds with moving water, from a pump, filter, fountain or waterfall, and strong surface agitation or aeration from an airpump and airstone is recommended. Dose Evolution Aqua Blanketweed as directed and repeat every 14 days as required. The positive effects of using the product should be seen within 10 days of being added. The additional use of the pure bacterial range of products from Evolution Aqua is also recommended to aid in the removal of nutrients from the water which will go on to fuel future algae growth.Tub sizes available:400g - ponds up to 5000 litres800g - ponds up to 10000 litres2kg - ponds up to 25000 litres4kg - ponds up to 50000 litres Directions for use: Add one scoop of Evolution Aqua Blanketweed powder per 400 litres of pond water volume to a watering can. Fill the watering can with pond water and stir. Sprinkle the solution evenly over the pond surface. Evolution Aqua Blanketweed gets to work instantly - repeat every 14 days as required.Important notesDo not overdoseDo not administer if any algae treatments or fish medications have already been added to the pond waterDo not use watering cans which have previously contained weed killers, herbicides or pesticides A complete natural solution for eliminating blanketweed 100% fish, plant and wildlife safe UV clarifiers / sterilisers do not need to be turned off whilst treating Positive effects within 10 days of first dosage