Drop. Clean. Done. Try It Now and Save!
Just drop it in and let it work! Enjoy fresh, clean water with zero scrubbing. Try it now and save
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.

Deep Cleaning Removes Buildup, Odors, and Residue From Water Tanks
If you rely on water tanks for household use, gardening, rainwater harvesting, or emergency storage, then maintaining clean, clear water is important. The SolutionsHOCL Cistern Bomb Cleaner is designed to help you do exactly that, with science-backed, eco-friendly ingredients that deep-clean without harsh chemicals.
Using the natural cleaning power of Hypochlorous Acid (HOCL), the same molecule your immune system produces, this bomb cleaner helps clean your cisterns from the inside out.
Not Just a Cleaner, a Smarter Sanitation Solution
While bleach and harsh chemical cleaners leave behind residues and foul odors, the SolutionsHOCL Cistern Bomb Cleaner works differently.
Why Cistern Bomb Works: Simple, Powerful Cleaning
Witness the Impact of a True Deep Clean

Say Goodbye to Smelly, Slimy Tanks
The SolutionsHOCL Cistern Bomb Cleaner is your go-to solution for clean, odor-free, and buildup-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 produced by the body's own white blood cells. When used in water cleaning, it helps break down organic buildup and residue without leaving harsh residue.
Verified in Over 55 Scientific Studies
Our cleaner is science-backed. Explore our Scientific Studies page to see independent research on the stability and performance of HOCL.
The People First Choice for Cleaning Cistern Tanks
Everything You Need to Know About Cistern Cleaning
General Questions
What is the SolutionHOCL Cistern Bomb Cleaner?
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 helps reduce organic buildup, stains, and odor effectively.
Is this cleaner compatible with all types of water tanks?
Is this cleaner compatible with all types of water tanks?
Yes! It's compatible with plastic, concrete, fiberglass, and metal cisterns. Just follow the usage instructions for best results.
Can I use this cleaner if I store drinking water?
Can I use this cleaner if I store drinking water?
Our formula is biodegradable and breaks down into simple compounds after cleaning. This product is designed for non-potable water systems; if your tank is later used for potable water, rinse thoroughly and follow your local water-safety guidance.
Does it work in cold water?
Does it work in cold water?
Yes! The Solutions HOCL Cistern Tank Cleaner works effectively in cold water. It dissolves completely and starts working immediately, even in very cold conditions — no heating required.
How much should I use?
How much should I use?
Use 1 scoop per 1,000 gallons of water. A 100-gram pack treats up to 5,000 gallons total and includes a measuring scoop for accuracy.
How long does it take to see results?
How long does it take to see results?
You’ll notice clearer water and reduced odors within hours. Full results, including grime and slimy film removal, typically appear within a few days.
Why choose it for cleaning water tanks?
Why choose it for cleaning water tanks?
It's HOCL-powered, helping lift stains and odor effectively without harsh chemicals. It's fast-acting, suitable for water systems, and ideal for year-round use, even in winter.
Effectiveness & Ingredients
What makes HOCL different from bleach?
What makes HOCL different from bleach?
HOCL is a naturally occurring cleaning compound that works without the harsh fumes or residue of bleach. It cleans deeply and breaks down gently
Does it help with buildup and stains?
Does it help with buildup and stains?
Yes. It helps break down organic buildup and residue commonly found in tanks, especially in humid environments.
Are the ingredients eco-friendly?
Are the ingredients eco-friendly?
Yes! The cleaner is powered by HOCL (hypochlorous acid) and is designed with eco-conscious, biodegradable cleaning in mind.
Usage & Application
How do I use the Cistern Bomb Cleaner?
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?
How often should I use this cleaner?
We recommend deep cleaning your tank every 2 to 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?
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
What precautions should I take around pets and kids?
What precautions should I take around pets and kids?
Keep undissolved tablets out of reach of children and pets, and follow the usage and rinsing instructions on the packaging.
How should I store the product?
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?
Does it leave any strong smells?
No. Unlike bleach-based products, it leaves no lingering odors. Just clean, fresh water.
