---
product_id: 33919319
title: "Drainbo Marine and RV Holding Tank Treatment, 1/2-Gallon"
brand: "brand: drainbo"
price: "$125.79"
currency: USD
in_stock: true
url: https://www.desertcart.us/products/33919319-drainbo-marine-and-rv-holding-tank-treatment-1-2-gallon
store_origin: US
region: United States of America
---

# Drainbo Marine and RV Holding Tank Treatment, 1/2-Gallon

**Brand:** brand: drainbo
**Price:** $125.79
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Drainbo Marine and RV Holding Tank Treatment, 1/2-Gallon by brand: drainbo
- **How much does it cost?** $125.79 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/33919319-drainbo-marine-and-rv-holding-tank-treatment-1-2-gallon)

## Best For

- brand: drainbo enthusiasts

## Why This Product

- Trusted brand: drainbo brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

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 concentrate, Drainbo will penetrate, degrade and digest biological waste, household grease and detergents. Adding Drainbo regularly to your tank will keep your toilets fresh and the waste digested. Adding it to the galley or kitchen sink along with the shower and bathroom sink will keep the gray water tank fresh and drain lines clean and flowing smoothly.

## Features

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- The only natural products association certified holding tank product
- Your safe, all natural alternative which contains no formaldehyde or toxic chemicals
- All-natural microbes penetrate, degrade and digest biological waste making clean-out quick and easy

## Images

![Drainbo Marine and RV Holding Tank Treatment, 1/2-Gallon - Image 1](https://images-na.ssl-images-amazon.com/images/I/41CT-UMfL-L.jpg)

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**Shop now:** [https://www.desertcart.us/products/33919319-drainbo-marine-and-rv-holding-tank-treatment-1-2-gallon](https://www.desertcart.us/products/33919319-drainbo-marine-and-rv-holding-tank-treatment-1-2-gallon)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-11*