Your pond can become discolored over time from the accumulation of organic sediment and this debris can form on pond rocks or liners, Ponds will then reach a point where water becomes murky from excess organic waste, Pond logic instafix will clean your pond in as little as 48 hours, removing this excessive organic debris and providing you with crystal clear water, Instafix is safe for plants and fish, and should be used as a pond-start up cleaner or to help you get a jump start on pond maintenance, Instafix works great in conjunction with the Pond Logic DefensePAC!, Cleans your pond quickly, Gets rid of murky water & sediment, Liquid pond cleaner, SKU: AES418