The Nishikoi Blanc-Kit Excel is for the total control of unwanted Blanket Weed. Nishikoi as aquatic specialists have designed this treatment to work as quickly and efficiently as possible for the best results. It changes the pond environment to one that is inhospitable for the growth of blanket weed. Using natural minerals and compounds it helps to keep your pond free of the weed without harsh chemicals or toxins. This means that the product is safe for plants fish and other pond life. It is also safe to use alongside a biological filter. Capable of treating up to 13638 litres / 3000 gallons. When used as directed the blanketweed\'s molecular structure and growth pattern is dramatically checked enabling the pond owner to enjoy a blanketweed free environment at its best.