Marine & RV Holding Tank Treatment


Drainbo® Natural Marine & RV Holding Tank Treatment is a biological holding tank treatment formulated for use in all boats, ships, recreational vehicles, and portable restrooms. An environmentally safe, economical and easy-to-use liquid concentrate, Drainbo® will penetrate, degrade, and digest biological waste, household grease, and detergents.




Drainbo® Natural Marine & RV Holding Tank Treatment should be added every time your tank is emptied. Six ounces poured directly into the toilet weekly will keep the toilet fresh and the waste digested, add 2 ounces to the galley or kitchen sink for freshness and drain maintenance, repeat this treatment to the shower and bathroom sink which will keep the gray water tank fresh and drain lines clean and flowing smoothly

Shake Drainbo® Natural RV Holding Tank Treatment thoroughly before using.

Avoid contact with eyes and open wounds. Avoid ingesting Drainbo® product. In case of contact with eyes flush with plenty of cold water for at least 15 minutes. For contact with open wounds or broken skin wash area with warm water and soap and apply a bandage. In case of ingestion, drink several glasses of water and induce vomiting to avoid diarrhea.

DRAINBO’s Marine & RV is the safe solution for you and your holding tank!

1/2 Gallon Drainbo Natural Marine & RV Holding Tank Treatment

1/2 Gallon Drainbo® Naturalm Marine & RV Holding Tank Treatment

$16.95 Qty:
default image

Good RV treatment

This 1/2 gallon of Marine and RV Treatment ant Cleaner by Drainbo seems to be a excellent product. I have used other RV treatment and cleaners in my 5th wheel RV but this is by far the best of them. After using other brands of treatment the meter would say the black water tank was

Jayhawk714 via Featherville, ID November 22, 2015

default image

“Just what the potty needed!”

As we know, we all "gotta go" sometime. Never was able to find the perfect product to clean out the loo in my boat. The search is over. Pleasant scented, does the job. Now hat winter approaches, will have to shelve this product with all the other marine stuff. But spring will be here soon.

Bernie via Southold, NY November 24, 2015

<< Prev
Next >>