You have to ask is the purple sand pot stranded mud there is no poison? The real purple sand is not poisonous, the real purple sand pot clay material is delicate, breathable, summer days, not rancid, tea does not lose the original flavor, long tea purple sand pot, even if injected into the white water can also get tea! And the body of the pot is easy to raise a layer of pulp, especially bright, pleasing to the eye.