Note this item is only suitable for a pond with good aeration and water movement                (Not advised for use in a Nature pond)All ponds will at some time experience Algae growth. There are many species of Algae, including the ones that cause Green Water. Pond Doctor Anti Green Water Treatment enables you to quickly create clear water without affecting the ponds biological balance.Why Use Anti Greenwater?During the warmer months of Spring, Summer and Early Autumn Garden Ponds will turn green due to the growth of Algaes. This then leads to the formation of other types of Algae like Blanketweed. Anti Green Water will safely remove Algae so you can enjoy clear waterPlease note: This product can help to remove green water, but it is not guaranteed due to the large number of variables (for example if your pond is in direct sunlight).The idea of this product is just to help reduce green water but sometimes as quick as it is trying to break down and kill the green water the sun is working against the treatment and resulting in the product appearing not to have the desired effect.This product will help combat green water in your pond, but like all other similar treatments it has its limits and in many cases can’t do the job all on its own. Please read through the following tips to help you clear your pond of green water: