Solutions HOCL Marine & Boat Water Tank Cleaner – Eco-Friendly Powder for Black Tank Treatment Marine Water Tank Cleaning Biofilm & Odor Removal – 400G

Clean, Deodorize & Maintain Marine Water Tanks Naturally - SolutionsHOCl offers an eco-friendly powder solution for cleaning and deodorizing your boat water tank, marine plumbing system, or RV black tank. When sodium-based NaDCC dissolves, it produces hypochlorous acid (HOCl)—a powerful yet gentle cleaning agent known for breaking down biofilm, calcium scale. Ideal for black tank treatment, marine water tank flushing, and odor elimination. Great for portable waste tanks, grey water tank treatment, and septic tank maintenance Dissolves hard water deposits, restores flow, and keeps your system smelling fresh. Safe, Simple, and Backed by Science. Made with sodium bicarbonate, citric acid, and natural enzymes, this formula is non-toxic, non-corrosive, and safe for use around your boat's plumbing, seals, and fittings. Use it as a regular fresh water tank cleaner or RV tank cleaner powder — just pour it in and let it do the work. Note: Not yet EPA Certified for drinking water purification. Use for cleaning and deodorizing only

• Powerful Marine & Boat Water Tank Cleaner: Effectively removes residues, biofilm, and mineral buildup from marine and boat water tanks using HOCl-generating powder. Helps maintain clean water for washing, cooking, and cleaning — not for drinking use
• Eco-Friendly Powder Formula – No Harsh Chemicals: Our sodium-based powder releases hypochlorous acid (HOCl) when dissolved, offering a non-corrosive, biodegradable option for marine water systems, grey water tanks, and black tank deodorizing
• Odor Control & Biofilm Remover: Neutralizes stale smells in boat water systems, RV black tanks, and marine plumbing lines. Excellent for grey water tank cleaning, toilet tank deodorizing, and eliminating organic film buildup
• Easy to Use, No Rinse Needed: Use 1g per 50 gallons for maintenance or 10g per 50 gallons for deep cleaning. Simply mix, pour, and wait—no need to flush unless heavily soiled. Leaves no residue—just clean water and peace of mind
• Great for Liveaboards, Cruisers & Charter Boats: Perfect for anyone managing a marine water tank, RV tank, or portable marine water system. Ideal for seasonal flushes or monthly upkeep of boat plumbing