Eco-Friendly HOCL Tank Cleaner. Bleach-Free. Made in Hawaii.

Powerful Eco-Friendly Deep Cleaner.   Bleach-free. Made in Hawaii. Free Shipping All 50 States.

Breaks Down Contaminant Buildup and Neutralizes Odors. No Harsh Chemicals.

Autoship - Catchment bomb™ - Rainwater Tanks Cleaner - 500g

Packaging can vary


Regular price $49.97
Free Shipping in All US States.

Save on Auto-Delivery: Keep Your Tank Fresh Year-Round

  • Automatic deliveries for hassle-free tank maintenance
  • Follow the directions on the package
  • Neutralizes odors and breaks down slime and organic buildup
  • Eco-friendly, biodegradable, made for RVs and off-grid systems
  • Backed by SolutionsHOCL™'s 100% Satisfaction Guarantee
  • HOCL acts as an oxidizer to break down organic residue on tank surfaces and neutralize odors and stains at the source: proteins, fatty acids, amines, sulfur compounds, and more.

Learn More

Learn About From Videos


Free Shipping Across the USA!
Enjoy fast and free shipping to all 50 states, no minimum purchase required.

Description

Maintain a clean and odor-free rainwater catchment system effortlessly with the 500g Catchment Bomb. Specially formulated to minimize buildup, slime, and unpleasant odors inside catchment tanks, this product helps keep tank surfaces cleaner and fresher for household and garden use. Easy to use, it offers a convenient solution for tank maintenance without harsh chemicals or hazardous substances.

Ideal for keeping stored-water tanks clean, the Catchment Bomb helps promote a cleaner tank interior, reducing odors and staining. Regular use helps keep your tank fresher for longer.

The Catchment Bomb™ is available in 500-gram and 100-gram packs. Choose the size that fits your tank and follow the directions on the package.

HOCL-based Water Catchment System Cleaning

Hypochlorous Acid (HOCL) breaks down organic matter through oxidation. It neutralizes debris such as grime and bird droppings while maintaining the integrity of your tank surfaces. HOCL is manufactured at a neutral pH, making it a bleach-free choice for tank maintenance.

Note: This product is designed for cleaning and maintaining water tanks and is not intended for direct contact with drinking water. Always follow the directions on the package.

Key Benefits

  • Natural Oxidation: HOCL operates through oxidation, breaking down organic matter to help keep rainwater catchment tank surfaces cleaner longer.
  • Eco-Friendly Qualities: HOCL naturally breaks down with minimal impact on the environment.
  • Versatile Application: Works on roofs, gutters, and connector pipes as well as tanks. Follow the directions on the package.

How to Use?

Dilute the HOCL Catchment Bomb cleaner as directed on the package and apply it to areas such as roofs and gutters. This removes organic matter and debris before they enter the collection system. It neutralizes odors and stains at the source and lifts organic buildup from tank surfaces.

How to clean out Catchment Tank? 

Simply follow the directions on the package, and within hours it will break down buildup. Then scoop out any floating organic matter. This process helps maintain your tank surfaces and catchment system. Experience the power of SolutionsHOCL™ Catchment Tank Cleaner and keep your tank clean.

Maintenance Efficiency: Regular application of HOCL Catchment Bomb helps keep surfaces cleaner, reducing pipe blockages.

Environmental Consideration: Used as directed, the HOCL Catchment Bomb supports environmental responsibility and is biodegradable.

SolutionsHOCL™ products are formulated with environmentally friendly ingredients and come with a 100% Satisfaction Guarantee! Please review our full line of Home Healthy™ Cleaning Products.

Order Now: Keep your rainwater catchment tank clean with SolutionsHOCL® Catchment Bomb.

Comes in a Resealable Foil Packet with a Zip Lock Top + Free Scooper included

The SolutionsHOCL™ Catchment Cleaner has a neutral pH.

Safety and Usage Information

Warning

  • Keep out of reach of children.
  • Avoid contact with eyes and skin.
  • Not for direct consumption or application on food.
  • Store in a cool, dry place away from direct sunlight.

First Aid

  • If in eyes: Rinse cautiously with water for several minutes. Seek medical attention if irritation persists.
  • If on skin: Wash with soap and water. If irritation occurs, discontinue use and consult a physician.
  • If swallowed: Do not induce vomiting. Rinse mouth and seek medical advice immediately.
  • Package Size

    500 grams (treats 25,000 gallons)

  • Form
    Fine Powder + Granules
  • Ingredients
    Sodium dichloroisocyanurate (NaDCC). Releases HOCL when added to water.
  • compatibility

    Will not harm common tank liner materials including EPDM, PVC, polyethylene, polypropylene, and fiberglass

  • Dosage

    Add 1 scoop (approximately 20 grams) per 1,000 gallons of water.

  • Shelf Life

    3–5 years

  • Made In
    USA

Catchment Bomb™: Powerful, Easy Rainwater Tank Cleaner

Keep your rainwater tanks clean, fresh, and odor-free with Catchment Bomb™. This eco-friendly, easy-to-use powder activates in water to break down buildup and slimy film without harsh chemicals. Perfect for sustainable tank maintenance.

Catchment Bomb bleach-free rainwater tank cleaner
catchment bomb work perfect for water catchment system

Works perfect on Catchment Tanks

Clean your catchment rainwater tanks with HOCL. We formulate our SolutionsHOCL™ Crystals with HOCL. Read more on our Scientific Studies Page.

Advanced Oxidation for Deep Cleaning


The Catchment Bomb™ uses the oxidative strength of Hypochlorous Acid (HOCl) to break down grime, organic buildup, and slimy film on your rainwater tank surfaces. When added to water, the active ingredients quickly dissolve and begin breaking down organic residue. The result? Cleaner tank surfaces and reduced odors for all your non-potable needs, with no harsh chemicals or toxic fumes.

Why Catchment Bomb™ Should Be Your First Choice

  • residue free formula for hypochlorous acid

    Fast-Acting Formula

    Starts working immediately to break down grime and slimy film buildup.

  • solutions hocl (hypochlorous acid) cleaners without harsh chemicals

    No Harsh Chemicals

    Made with eco-conscious ingredients that are gentle on your tank.

  • solutions hocl (hypochlorous acid) long lasting cleaners

    Long-Lasting Freshness

    Keeps tanks clean and odor-free for weeks.

  •  Water Storage Systems

    Septic Compatible

    Compatible with septic systems and gray water tanks.

  • Fast Easy Application

    Easy to Use

    Just drop it in and let it work, no measuring, no mess.

  • tuested by users solutions hocl (hypochlorous acid) cleaners

    Loved by Off-Grid Users

    Popular with outdoor adventurers and sustainable living enthusiasts

easy to follow solutionshocl cleaners

Easy-to-Follow Application

Dilute the HOCL Catchment Bomb to an appropriate concentration and apply it to areas such as roofs and gutters to remove organic matter and debris before they enter the catchment system.

It neutralizes odors and stains at the source and lifts organic buildup from your catchment tank surfaces.

Maintenance Efficiency: Regular application of HOCL Catchment Bomb
helps keep surfaces cleaner, reducing pipe blockages.

Environmental Consideration: Used as directed, the HOCL Catchment Bomb supports environmental responsibility and is biodegradable.

Videos

Video Thumbnail
Video Thumbnail
Video Thumbnail
Video Thumbnail
Video Thumbnail
Video Thumbnail
×
keep your catchment Water storage tank clean with catchment bomb

Keep Your Tank Clean – The Smart, Sustainable Way!

Whether you're a homesteader, off-grid enthusiast, or just serious about a clean tank, the Catchment Bomb™ is your go-to for keeping rainwater tanks clean, with zero hassle. Add it to your maintenance routine today.

Frequently Asked Questions

Do I need to rinse the tank after using it?

Just follow the directions on the package and let it work. For deep cleaning, especially if there's heavy buildup, let the solution sit longer, then drain and rinse with clean water for best results.

How often should I use Catchment Bomb™?

Use Catchment Bomb™:

  • Every 2–4 weeks for maintenance
  • After long storage periods
  • Whenever you notice odors or slime

Frequent users like RVers or off-grid homesteaders may use it more regularly to help keep tanks cleaner and fresher year-round.

Is this product safe for my plumbing and septic system?

Yes! Catchment Bomb™ is gentle on pipes, seals, and septic systems. It's free of bleach, acids, and harsh solvents. The effervescent formula dissolves fully and will not damage components or throw off the natural balance of your gray or black water systems.

Can I use this in rainwater catchment tanks?

Absolutely. Catchment Bomb™ was originally designed for rainwater harvesting and off-grid systems. It helps keep your rain barrels, storage tanks, and pipes free from algae stains, buildup, and bad odors without affecting your filtration systems or leaving harmful residues.

Is Catchment Bomb™ safe for the environment?

Yes! Our formula is made from environmentally friendly, biodegradable ingredients that won’t harm ecosystems when discharged. It's a great choice for sustainable homes, eco-conscious RVers, and anyone looking to reduce chemical use.

What size tank does one Catchment Bomb™ treat?

Catchment Bomb™ is available in two convenient sizes to match your tank. Choose the size that fits and always follow the directions on the package. You can also divide the product for smaller tanks as needed.

Does it remove existing buildup and odors?

Yes, Catchment Bomb™ is highly effective at breaking down existing slimy film, odors, and organic residue. It's a deep-cleaning solution designed to refresh neglected systems as well as keep clean ones in top shape.

How should I store the Catchment Bomb™?

Store your Catchment Bomb™ in a cool, dry place away from direct sunlight or moisture. The packaging is resealable, keeping the tablets fresh and active for months. Keep out of reach of children and pets.

Is this product made in the USA?

Yes! Catchment Bomb™ is formulated and packaged in the USA with high-quality, carefully sourced ingredients. You're supporting a small business committed to providing reliable, eco-friendly solutions for modern water systems.