No More Blanketweed from TAP Aquatics is a fast acting low clouding forumulat filled with natural minerals and additives to combat blanketweed. No More Blanketweed Instructions: Simply mix the correct amount of powder with pond water into a bucket or watering can and pour evenly over the pond surface. For best results try to pour around the edge where the blanketweed is growing. Any initial cloudiness of the pond will clear in a few days. Blanketweed will begin to disappear in a short time but allow up to 2 weeks. Repeat if blanketweed returns. No More Blanketweed Dose Rate: Use one heaped spoonful (enclosed) per 65 gallons (300 ltrs) of pond volume.