This 18oz container treats one holding tank. (Each Happy Camper Extreme Cleaner Container is 1 Treatment). This Extreme Cleaner cleans, softens, helps dissolve all types of waste, toilet tissue, crud, sludge, light corrosion & scum buildup in holding tanks. Safe & effective if used according to instructions. Industrial Strength: Highest concentrated, most active (powerful) waste tank cleaner on the market today. The Happy Camper Extreme Holding Tank Cleaner sets a new standard for RV industry, repair centers, rental companies, & full-time RVers. Read More

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