Hi, I am building a rainwater filter system using gravity. Basically a barrel (55gal.) with layers of gravel, sand and charcoal to filter the rain water before it goes into storage tank

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We are often asked, “What are the differences, if any, between the activated charcoals that you carry?”

Is there any harm done to the patches if they become frozen? How long does one need to wait before applying a new patch?

Yes, activated charcoal is ideal to remove allergens and airborne molds and no it is not restricted to bamboo activated charcoals. In fact...............

Can you tell me if charcoal is too abrasive to use in toothpaste?

Are the tablets chewable?