Google "HOCL World's Best Cleaning Agent" to Confirm this Fact

"103 Times More Effective than bleach"

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SolutionsHOCl® Cistern Tank Cleaners

Maintain a clean and odor-free cistern tank with our easy-to-use, eco-friendly cleaner. Designed for all types of cistern tanks, this powerful bomb cleaner helps break down organic buildup, reduce unpleasant odors, and keep your water storage system fresher for longer. No scrubbing, no harsh chemicals—just drop it in and let it work.

Cistern Bomb™ – Natural Cistern Tank Cleaner (Bleach-Free Formula)

Keep your cistern tank clean, fresh, and odor-free with the Cistern Bomb™—a bleach-free solution that works through natural oxidation. Whether you're doing monthly maintenance or a full deep clean, it helps reduce slime, odors, and buildup without harsh chemicals.

Order Cistern Bomb™ now and keep your cistern tank clean, naturally — no bleach needed.

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ultimate cleaning solution for underground cistern tank system

The Ultimate Deep Cleaning Solution for Water Tanks and Cistern Systems

If you rely on water tanks for household use, gardening, rainwater harvesting, or emergency storage, then maintaining clean, algae-free water is critical. The SolutionHOCl Cistern Bomb Cleaner is designed to help you do exactly that — with science-backed, eco-friendly ingredients that ensure deep-cleaning without harming your health or the environment.

Using the natural cleaning power of Hypochlorous Acid (HOCl) — the same molecule your immune system produces — this bomb cleaner sanitizes your cisterns from the inside out.

Not Just a Cleaner — A Smarter Sanitation Solution

While bleach and chemical disinfectants leave behind harsh residues and foul odors, the SolutionHOCl Cistern Bomb Cleaner works differently.

What’s Inside: Clean Ingredients, Powerful Results

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    Hypochlorous Acid (HOCl)

    A powerful yet natural disinfectant that mimics your body’s immune defense. It safely eliminates bacteria, viruses, mold, and algae without leaving toxic residue.

  • Sodium Bicarbonate

    Sodium Bicarbonate

    Acts as a pH stabilizer, creating an environment less favorable for microbial growth while supporting the effectiveness of HOCl and other ingredients.

  • Citric Acid

    Citric Acid

    Helps balance pH and breaks down mineral build-up. It also helping removes residues odors and improves water tank clarity.

  • NaDCC

    Eco-Friendly NaDCC

    Releases a controlled, gentle level of chlorine for long-lasting sanitation. Far less harsh than bleach and ideal for tank cleaning without corrosion or odor.

  • Sodium Sulfate

    Sodium Sulfate

    Works as a water softener to prevent mineral deposits and support overall cleaning performance.

  • Proprietary Ingredients

    Proprietary Plant-Based Surfactants

    These help loosen biofilm, grime, and organic buildup without using synthetic or harmful detergents.

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Say Goodbye to Smelly, Slimy Tanks

The SolutionHOCl Cistern Bomb Cleaneris your go-to solution for clean, odor-free, and algae-resistant water tanks. Whether you're prepping for an emergency or just want better household water, our HOCl-powered bomb has you covered.

Backed by Research, Powered by Nature

The key ingredient, Hypochlorous Acid (HOCl), is a naturally occurring compound created by our own white blood cells to fight infections. When used in water cleaning, it mimics the same defense mechanism — attacking bacteria, viruses, mold, and algae without toxic residue.

Verified in Over 55 Scientific Studies

Our cleaner isn’t just safe — it’s scientifically proven. Explore our [Scientific Studies page] to see independent research that confirms the safety, stability, and effectiveness of HOCl.

The People First Choice for Cleaning Cistern Tanks

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    HOCl Power

    Harnesses the natural cleaning force of Hypochlorous Acid — proven effective and biodegradable.

  • Eco-Friendly & Biodegradable

    Non-Toxic & Eco-Friendly

    afe for your home, garden, and the planet. Breaks down into simple salt and water after use.

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    Deep Cleaning Action

    Penetrates tough grime, eliminates biofilm, and reduces odor — without damaging your tank system.

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    Long-Lasting Results

    One treatment offers protection and freshness that can last for weeks in stagnant or low-use systems.

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    Trusted & Researched

    Backed by 50+ scientific studies. HOCl is widely recognized by global institutions like the WHO and NIH.

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    Versatile Applications

    Ideal for homes, farms, RVs, emergency tanks, catchment systems, and more.

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    Satisfaction Guaranteed

    We stand behind our formula — with a 100% satisfaction promise.

Everything You Need to Know About Cistern Cleaning

General Questions

What is the SolutionHOCl Cistern Bomb Cleaner?

It’s a powerful, eco-friendly cleaner specially formulated to deep-clean water cisterns and tanks using Hypochlorous Acid (HOCl). It's helping reduce biofilm, algae, mold, and bacteria buildup — safely and effectively.

Is this cleaner safe for all types of water tanks?

Yes! It’s safe for plastic, concrete, fiberglass, and metal cisterns. Just follow the usage instructions for best results.

Can I use this cleaner if I store drinking water?

Absolutely. Our formula is non-toxic and biodegradable, breaking down into salt and water after cleaning. However, we recommend rinsing once after use if your tank is used for potable water.

Effectiveness & Ingredients

What makes HOCl different from bleach?

HOCl is 80–100x or 103 times more effective than bleach at killing bacteria — yet completely non-toxic. It cleans deeply without harmful fumes or residue.

Does it kill algae and mold?

Yes. It helps break down algae, mold, and biofilm buildup commonly found in tanks, especially in humid environments.

Are the ingredients eco-friendly?

Yes! The cleaner contains eco-conscious ingredients like HOCl, citric acid, sodium bicarbonate, and NaDCC — all designed for safety and sustainability.

Usage & Application

How do I use the Cistern Bomb Cleaner?

Simply drop the tablet into the tank, allow it to dissolve, and let it sit for a few hours. Then rinse or drain depending on usage. Full directions are provided on the packaging.

How often should I use this cleaner?

We recommend deep cleaning your tank every 2–3 months for optimal performance. In humid or tropical climates, monthly use may be ideal.

Can I use it for my RV or boat water tank?

For best results, we recommend using our RV Tank Cleaner for RVs Tanks and Marine & Boat Tank Cleaner for boats & Marine Tanks. Our Cistern Tank Cleaner is specially designed for larger water storage systems like cisterns and catchment tanks.

Safety & Storage

Is it safe around pets and kids?

Once dissolved and rinsed, the formula is completely safe. Always keep undissolved tablets out of reach of children and pets.

How should I store the product?

Store in a cool, dry place away from direct sunlight. The tablets are shelf-stable and long-lasting.

Does it leave any strong smells?

No. Unlike bleach-based products, it leaves no lingering odors. Just clean, fresh water.