Organic Digester Too powder works to remove the organic growth on rocks, waterfalls,  streams, plant pots, the sides of ponds, etc.   This product is entirely natural and will not harm your fish or plants.   Use once or twice a week until the problem goes away.  Also aids with clarity in the pond.  Use along with our Organic Digester liquid and powder. 

For the MSDS sheet please see the www.organicdigester.com site.  All of our products are non hazardous and non chemical.