Boyd Enterprises Chemi PureBoyd Enterprises Chemi Pure is an ionic media acts mechanically as well as chemically, absorbing all the various elements of decomposition. The resin produces negatively charged ions, while removing excess acids and ammonia. Keeps pH at constant level Chemical absorption filter Aids in the natural balance of positive and negative charges Chemi Pure comes packed in pure polyester filter bags in sealed plastic bottles, called 1 unit, one of which is