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- CLEANS & REFRESHES — Give your RV or boat holding tanks the clean they need with this treatment that breaks down waste and refreshes your tanks by leaving behind a pleasantly fragrant scent
- PREVENTATIVE TREATMENT — Avoid unnecessary clogs and residue buildup by regularly treating your tanks with this RV and boat-safe formula
- ECO-FRIENDLY — Made with 100% natural ingredients, the Flow Max holding tank treatment is formaldehyde-free, environmentally friendly and biodegradable
- SAFE TO USE — With no harsh chemicals, this formula is safe to use at campgrounds, at the lake and around your family
- MULTIPLE SIZES — This RV septic tank treatment is available in 8-ounce, 32-ounce and 64-ounce bottles, so you can choose the size that’s right for your lifestyle
Flow Max™ holding tank treatment is a must-have product for RV and boat owners! With a concentrated formula that breaks down waste and toilet paper, this product helps prevent clogging and residue buildup in your holding tanks. Flow Max RV and boat tank treatment cleans your tanks and sensors while also neutralizing harsh odors, leaving behind a fresh scent.
Our environmentally friendly and biodegradable formula is safe to use at campgrounds, marinas and around the family. It’s made from 100% natural ingredients and is formaldehyde free.
To keep your holding tanks looking clean and smelling fresh, use the Flow Max holding tank treatment regularly. For grey tanks, pour two ounces of RV tank treatment into the tank and take a drive to slosh around the solution. Drain it, then rinse using a flush valve. For black tanks, pour two ounces of this treatment into your toilet bowl with one gallon of water. Flush the toilet and let the treatment sit. Be sure to store all bottles between 50°F (10°C) and 105°F (40°C). Please note: Temperatures above 85°F (29°C) will not require additional treatment. Temperatures below prolonged 40°F (4°C) may require additional treatment. Holding tanks should be emptied weekly.
- For use in black and grey RV holding tanks and boat tanks
- Breaks down waste and toilet paper
- Prevents clogging and residue buildup
- Cleans and maintains holding tanks and sensors
- Neutralizes odors especially in hot weather
- 100% natural and formaldehyde-free
- Environmentally friendly and biodegradable
- Safe for campgrounds and marinas
- Concentrated liquid formula (2 oz. treats a 40 gal. tank)
- Fresh rain scent
- Made in the USA
| Scent | Fresh rain |
|---|---|
| Width (inches) | 12.5 |
| Height (inches) | 12.5 |
| Length (inches) | 12.5 |
| Volume (ounces) | 32 |
| Biodegradability | Biodegradable |
| Formula composition | 100% natural ingredients |
| Formaldehyde content | Free |
| Physical weight (pounds) | 3 |
| Dimensional weight (pounds) | 11.77 |
| Treatment concentration (ounces per 40 gallons) | 2 |
- Is the lippert flow max holding tank treatment safe to use around my family and at campgrounds? Yes, the formula is made with 100% natural ingredients, is formaldehyde-free, environmentally friendly, biodegradable, and contains no harsh chemicals, making it safe to use around your family and at campgrounds.
- How do i use the flow max treatment for black and grey holding tanks? For grey tanks, pour two ounces of the treatment into the tank, take a drive to slosh the solution around, then drain and rinse. For black tanks, pour two ounces into the toilet bowl with one gallon of water, flush, and let the treatment sit.
- What sizes does the lippert flow max holding tank treatment come in? This RV septic tank treatment is available in 8-ounce, 32-ounce, and 64-ounce bottles.
- Does this treatment help with odors in the holding tanks? Yes, the treatment neutralizes harsh odors and leaves behind a fresh rain scent, especially effective in hot weather.
- Is this product environmentally friendly? Yes, the Flow Max Holding Tank Treatment is made from 100% natural ingredients, is biodegradable, formaldehyde-free, and safe for use at marinas and campgrounds.
Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.