Concentrated product with unique, scientifically developed microorganisms, odor controller & waste decomposer, specifically designed for portable & biological toilets. The pleasant aromatic composition provides immediate odor control while the microorganisms break down and decompose waste and toilet paper. It cleans the walls of a toilet tank. It eliminates odors, not just masking them, but removing the organic elements that cause them. Thus, it surpasses modern chemical deodorizers and masking agents. It does not require special toilet paper.