Reliance Bio-Blue Toilet Deodorant - Keep your basecamp smelling fresh. Bio-Blue toilet deodorant is a must-have for any portable, RV or marine toilet. With BIO-BLUE toilet deodorant sachets, unpleasant odors will be a thing of the past. These sachets work quickly. Just one pre-measured sachet placed in your portable toilet or RV/Marine holding tank and unpleasant odors will be gone. Features No mess self-dissolving pouch 100% safe for all plumbing and septic systems Fresh scent in .05 oz. pre-measured sachets 24 -sachets/pkg Zip-locked child-resistant packaging