---
product_id: 649753357
title: "CMDOBG Commando Black Holding Tank Cleaner Drop-Ins, Ocean Mist Scent (1 Year Supply)"
brand: "walex"
price: "A$61"
currency: AUD
in_stock: true
reviews_count: 5
category: "Walex"
url: https://www.desertcart.com.au/products/649753357-cmdobg-commando-black-holding-tank-cleaner-drop-ins-ocean-mist
store_origin: AU
region: Australia
---

# Works in 12 hours Ocean Mist scent Super-concentrated enzyme formula CMDOBG Commando Black Holding Tank Cleaner Drop-Ins, Ocean Mist Scent (1 Year Supply)

**Brand:** walex
**Price:** A$61
**Availability:** ✅ In Stock

## Summary

> 🚀 Clean tanks, clear gauges, zero worries—stay fresh on the go!

## Quick Answers

- **What is this?** CMDOBG Commando Black Holding Tank Cleaner Drop-Ins, Ocean Mist Scent (1 Year Supply) by walex
- **How much does it cost?** A$61 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/649753357-cmdobg-commando-black-holding-tank-cleaner-drop-ins-ocean-mist)

## Best For

- walex enthusiasts

## Why This Product

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

## Key Features

- • **Long-Lasting Supply:** Pack of 4 drop-ins provides a full year of hassle-free tank maintenance.
- • **Fast-Acting Cleanser:** Eliminates odors and buildup in just 12 hours for instant freshness.
- • **Enzyme-Powered Formula:** Scientifically developed natural enzymes break down waste and paper residue effectively.
- • **Fresh Ocean Mist Scent:** Keeps your holding tank smelling clean and inviting, not chemical.
- • **Sensor-Friendly Solution:** Prevents inaccurate tank sensor readings by removing residual waste buildup.

## Overview

Walex CMDOBG Commando Black Holding Tank Cleaner Drop-Ins deliver a super-concentrated, enzyme-based formula that removes waste buildup and odors in as little as 12 hours. Designed to maintain accurate sensor readings and prevent residual odors, this pack of 4 drop-ins offers a full year of effective, natural, and formaldehyde-free tank cleaning with a refreshing ocean mist scent.

## Description

Walex CMDOBG Commando Black Tank Cleaner - Pack of 4 Drop-Ins

Review: is what it means - is what it means
Review: Good product! - Worked as advertised on black water tank. Gauges started acting wonky, added product, drove to next campground, voila, gauges now working well!

## Features

- Pack of 4 COMMANDO Black Tank Cleaning Drop-Ins
- Removes residual waste build up that can cause inaccurate sensor readings and residual odors
- Removes odors and build-up in as little as 12 hours
- Super-concentrated, scientifically developed formula with natural enzymes to penetrate and break down waste and paper build-up
- Use to remove existing build-up or to prevent build-up accumulation

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0177AJ64G |
| Brand Name | Walex |
| Contains Liquid Contents? | Yes |
| Customer Reviews | 4.4 out of 5 stars 2,139 Reviews |
| Global Trade Identification Number | 00742693500046 |
| Item Form | Tablet |
| Item Height | 2 Inches |
| Item Volume | 4 Cubic Inches |
| Manufacturer | Walex |
| Material Features | Natural |
| Material Type Free | Formaldehyde Free |
| Number of Items | 1 |
| Scent | Ocean Mist |
| Special Features | Concentrated, Residue Free |
| Specific Uses For Product | Toilet |
| Surface Recommendation | Plastic |
| UPC | 742693500046 |
| Unit Count | 4 Count |

## Product Details

- **Brand:** Walex
- **Item Form:** Tablet
- **Scent:** Ocean Mist
- **Specific Uses For Product:** Toilet
- **Material Feature:** Natural
- **Item Volume:** 4 Cubic Inches
- **Net Quantity:** 4 Count
- **Surface Recommendation:** Plastic
- **Material Type Free:** Formaldehyde Free
- **Special Feature:** Concentrated, Residue Free

## Images

![CMDOBG Commando Black Holding Tank Cleaner Drop-Ins, Ocean Mist Scent (1 Year Supply) - Image 1](https://m.media-amazon.com/images/I/81zggOELBeL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ is what it means
*by G***D on 11 June 2024*

is what it means

### ⭐⭐⭐⭐⭐ Good product!
*by D***S on 19 October 2025*

Worked as advertised on black water tank. Gauges started acting wonky, added product, drove to next campground, voila, gauges now working well!

### ⭐⭐⭐⭐⭐ 良い
*by A***ー on 3 August 2025*

良い

## Frequently Bought Together

- Walex Commando RV Black Holding Tank & Sensor Cleaner - Eliminates Waste & Paper Buildup, Restores Sensor Function, Lubricates Valves & Seals, Advanced Enzyme Formula; Dissolvable Packets, 4 Count
- Walex Elemonate Grey Water Tank Deodorizer & Freshener - Freshens Sink & Drain Lines, Rapid Dissolving Drop-In Tablets, Ideal for RV's, Boats & Homes, Easy to Use - Fresh Lemon Scent, 5 Pack
- Camco TST MAX RV Toilet Treatment Drop-INs - Control Unwanted Odors & Break Down Waste and Tissue - Safe Septic Tank Treatment - Orange Scent, 30-Pack (41183)

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**Shop now:** [https://www.desertcart.com.au/products/649753357-cmdobg-commando-black-holding-tank-cleaner-drop-ins-ocean-mist](https://www.desertcart.com.au/products/649753357-cmdobg-commando-black-holding-tank-cleaner-drop-ins-ocean-mist)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-04*