---
product_id: 134376858
title: "ComStar Boiler Treatment w/Blue Color Indicator, Boiler Water Cleaner & pH Neutralizer, Prevents Rust, Scale in Boiler Water Without Flushing, Helps to Remove Oil & Sludge, 1 Gallon (35-145)"
brand: "comstar"
price: "¥23877"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/134376858-comstar-boiler-treatment-w-blue-color-indicator-boiler-water-cleaner
store_origin: JP
region: Japan
---

# pH Neutralizer Color Indicator Rust Prevention ComStar Boiler Treatment w/Blue Color Indicator, Boiler Water Cleaner & pH Neutralizer, Prevents Rust, Scale in Boiler Water Without Flushing, Helps to Remove Oil & Sludge, 1 Gallon (35-145)

**Brand:** comstar
**Price:** ¥23877
**Availability:** ✅ In Stock

## Summary

> 💡 Elevate Your Boiler Game with ComStar!

## Quick Answers

- **What is this?** ComStar Boiler Treatment w/Blue Color Indicator, Boiler Water Cleaner & pH Neutralizer, Prevents Rust, Scale in Boiler Water Without Flushing, Helps to Remove Oil & Sludge, 1 Gallon (35-145) by comstar
- **How much does it cost?** ¥23877 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/134376858-comstar-boiler-treatment-w-blue-color-indicator-boiler-water-cleaner)

## Best For

- comstar enthusiasts

## Why This Product

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

## Key Features

- • **Trusted Expertise:** Backed by over 45 years of industry leadership, ComStar is your go-to for boiler maintenance.
- • **No Flushing Required:** Save time and resources—our treatment works effectively without the need for flushing.
- • **Oil & Sludge Removal:** Say goodbye to unwanted buildup and hello to optimal performance.
- • **Transform Your Boiler:** Experience cleaner, more efficient boiler water with ComStar's advanced formula.
- • **Eco-Friendly Innovation:** Join the movement towards sustainable industrial solutions with our environmentally safe treatment.

## Overview

ComStar Boiler Treatment is a powerful, eco-friendly solution designed to clean and maintain boiler water. With a unique blue color indicator, it effectively neutralizes pH levels, prevents rust and scale buildup, and removes oil and sludge—all without the hassle of flushing. Trusted by professionals for over 45 years, this 1-gallon treatment is essential for maintaining boiler efficiency.

## Description

ComStar Boiler Treatment w/Blue Color Indicator, Boiler Water Cleaner & pH Neutralizer, Prevents Rust, Scale in Boiler Water Without Flushing, Helps to Remove Oil & Sludge, 1 Gallon (35-145)

## Features

- Cleans boiler water, corrects ph., color coded
- ComStar international Inc. Is the world's most comprehensive manufacturer of environmentally safe, industrial strength chemical products
- ComStar has been a leader in developing, manufacturing and marketing over 300 specialty products
- Designed specifically for the trade professional for more than 45 years

## Product Details

- **Brand:** Comstar
- **Item Form:** Liquid
- **Unit Count:** 128.0 Fluid Ounces
- **Material Feature:** Plant-Based
- **Number of Items:** 1

## Images

![ComStar Boiler Treatment w/Blue Color Indicator, Boiler Water Cleaner & pH Neutralizer, Prevents Rust, Scale in Boiler Water Without Flushing, Helps to Remove Oil & Sludge, 1 Gallon (35-145) - Image 1](https://m.media-amazon.com/images/I/71qdDZvcyHS.jpg)
![ComStar Boiler Treatment w/Blue Color Indicator, Boiler Water Cleaner & pH Neutralizer, Prevents Rust, Scale in Boiler Water Without Flushing, Helps to Remove Oil & Sludge, 1 Gallon (35-145) - Image 2](https://m.media-amazon.com/images/I/71TEg4yhdnS.jpg)
![ComStar Boiler Treatment w/Blue Color Indicator, Boiler Water Cleaner & pH Neutralizer, Prevents Rust, Scale in Boiler Water Without Flushing, Helps to Remove Oil & Sludge, 1 Gallon (35-145) - Image 3](https://m.media-amazon.com/images/I/71YbSEBIkQS.jpg)
![ComStar Boiler Treatment w/Blue Color Indicator, Boiler Water Cleaner & pH Neutralizer, Prevents Rust, Scale in Boiler Water Without Flushing, Helps to Remove Oil & Sludge, 1 Gallon (35-145) - Image 4](https://m.media-amazon.com/images/I/518iOMTs0ES.jpg)
![ComStar Boiler Treatment w/Blue Color Indicator, Boiler Water Cleaner & pH Neutralizer, Prevents Rust, Scale in Boiler Water Without Flushing, Helps to Remove Oil & Sludge, 1 Gallon (35-145) - Image 5](https://m.media-amazon.com/images/I/71nGiCjNzkS.jpg)

## Frequently Bought Together

- ComStar Boiler Treatment w/Blue Color Indicator, Boiler Water Cleaner & pH Neutralizer, Prevents Rust, Scale in Boiler Water Without Flushing, Helps to Remove Oil & Sludge, 1 Gallon (35-145)
- Oatey 30115, 1 qt
- Boiler Rust Inhibitor - Wood Boiler Chemical - Boiler Chemical - 1 Gallon - Treats 250 to 500 gallons of Fresh Water

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**Shop now:** [https://www.desertcart.jp/products/134376858-comstar-boiler-treatment-w-blue-color-indicator-boiler-water-cleaner](https://www.desertcart.jp/products/134376858-comstar-boiler-treatment-w-blue-color-indicator-boiler-water-cleaner)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-04*