Thetford's Concentrated Liquid, Non-Staining Holding Tank Deodorant. - Nation's #1 selling holding tank deodorant! - Eliminates waste odor - Liquifies waste Fast - Helps break down toilet tissue - Fast, effective action around the clock - Detergent additive keeps holding tank clean - 100% biodegradable - Environmentally safe when disposed of in a waste treatment system - For use in all RV and Marine portable, permanent and recirculating sanitation systems.
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