Please Note: Supplied In White Bag As Shown In First Imagekeep Recycled Rainwater In Your Water Butt Fresh, Energised And Uncontaminated For 10 Years By Hanging A Bag Of These Em Ceramic Chips Inside. The Pure Water Will Be Ideal For Developing Strong And Healthy Plants.theyre Also Great At Reducing Dirt And Slime Build Up In Ponds Too As Well As In Toilets And Fish Or Water Tanks Where They Will Help To Structure Water. Can Increase The Cleansing Power Of Detergents In The Laundry.clay That Has Been Fermented With Em, Is Known As Em Ceramics And Has Extraordinary Properties Derived Through The Production Process. The Information ( Dna) From The Effective Micro-organisms Is Captured Forever Within The Clay After Baking At High Temperatures. These Properties Include A Resonance Of Health Promoting Frequencies. As Resonance Is Most Strongly Transferred In Water Em Ceramics Are Extremely Useful In Restoring The Water Clusters That Reduce Calcification And Boosting The Energy Of Water. The Water Quality Improves And Stays Fresher Longer. now Supplied In A White Mesh Bag With No Loopsimply Hang The Bag In The Water Butt, Pond Or Whatever Area Of Water You Are Treatingideally Hang The Bag On The Side Where The Flow Of Water Comes In So That The Water Runs Through The Ceramics250g In Bag Suitable For Treating 250 Ltrs - Eg.use 4 Bags To Treat A 1000 Ltr Pondsuitable For Use In Toilets, Fish Tanks, Water Butts, Ponds And Household Water Tankswill Continue To Cleanse Water For Up To 10 Years