For over 45 years, Acurel E has proven to be a pond keeper's best friend. It's the fast and easy way to keep pond water sparkling clear. Within hours of use, Acurel E safely and organically clears cloudy, green, murky and contaminated pond water. It causes contaminants to clump into masses that are more easily removed by your filter or skimmer. Acurel E is made with organic extracts from renewable natural resources and is safe for all fish, plants and animals. Acurel E is available in four convenient sizes to treat ponds up to 19,000 gallons. Sold around the world, often imitated, but still the professional's clear choice for a sparkling clear pond. Give your pond high definition water with Acurel E. 100% MADE IN THE U.S.A.