---
product_id: 70268466
title: "RYDLYME Marine Biodegradable Descaler - 1 Gallon"
brand: "rydlyme"
price: "฿12998"
currency: THB
in_stock: true
reviews_count: 9
category: "Rydlyme"
url: https://www.desertcart.co.th/products/70268466-rydlyme-marine-biodegradable-descaler-1-gallon
store_origin: TH
region: Thailand
---

# Dissolves scale 12x faster 100% biodegradable & eco-safe Works in just 2-4 hours RYDLYME Marine Biodegradable Descaler - 1 Gallon

**Brand:** rydlyme
**Price:** ฿12998
**Availability:** ✅ In Stock

## Summary

> 🌊 Keep your engine cool and your boat cruising—descale like a pro, naturally!

## Quick Answers

- **What is this?** RYDLYME Marine Biodegradable Descaler - 1 Gallon by rydlyme
- **How much does it cost?** ฿12998 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/70268466-rydlyme-marine-biodegradable-descaler-1-gallon)

## Best For

- rydlyme enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Application:** Dilute 1:1 to 1:3, circulate for 2-4 hours, then flush—no gloves or harsh fumes needed, making maintenance hassle-free.
- • **Eco-Friendly Powerhouse:** Concentrated, biodegradable, non-toxic, and non-corrosive formula keeps your marine systems clean without harming the environment.
- • **Versatile Marine Savior:** Perfect for cooling systems, heat exchangers, condensers, and more—protects engines from overheating and costly repairs.
- • **Rapid Scale Annihilation:** Dissolves calcium, rust, barnacles & mussels up to 12x faster than competitors, restoring peak performance.
- • **Trusted by Pros & DIYers:** Highly rated with 4.7 stars, this gallon-sized powerhouse is a must-have ritual for every serious boater’s toolkit.

## Overview

RYDLYME Marine Biodegradable Descaler is a concentrated, eco-friendly liquid solution designed to quickly dissolve calcium, lime, rust, barnacles, and mussels from marine cooling systems and heat exchangers. Safe for most metals and biodegradable, it works within 2-4 hours to restore optimal water flow and prevent overheating, making it a trusted choice for boaters seeking effective, non-toxic maintenance.

## Description

Buy RYDLYME Marine Biodegradable Descaler - 1 Gallon on desertcart.com ✓ FREE SHIPPING on qualified orders

Review: Will buy Again !!!!!!!! - These RYDLYME Marine Biodegradable Descaler (typically sold in 1-gallon or larger bottles) is hands-down one of the most effective and safest tools for keeping your boat's cooling system, heat exchangers, outboards, inboards, and other water-cooled components running cool and efficient! This stuff is a game-changer for dissolving stubborn scale, calcium buildup, rust, barnacles, mussels, sand, and mineral deposits that clog passages and cause overheating—without the harsh risks of traditional acids like muriatic. It's fully biodegradable, non-toxic, non-corrosive to most metals (when used as directed—note: remove zinc/magnesium anodes first to avoid pitting), and safe enough that you can handle it with bare hands. No nasty fumes or gloves required for basic use, and it's eco-friendly for marine environments. Application is straightforward: dilute per instructions (often 1:1 or as needed), circulate through the system (muffs for outboards, pump setup for inboards/AC), let it work (foaming/bubbling shows it's actively dissolving gunk), flush thoroughly, and you're done. Users report dramatic results—overheat issues vanish, "pee" streams flow strong again, cooling passages look factory-fresh, and engines run noticeably cooler. One flush pulled out cups of solid debris from heavily fouled systems, restoring performance like new. Many boaters make it an annual or bi-annual ritual, saying it's worth every penny compared to downtime, repairs, or less effective alternatives like vinegar or Salt-Away for heavy scale. The concentrated formula works fast (often in hours or overnight), cleans up to 12x quicker than some competitors, and holds up across seasons of salt, brackish, or hard water use without damaging seals, gaskets, hoses, or rubber components. Cleanup is easy—just flush with water—and it leaves no residue. If you're dealing with overheating, reduced water flow, or preventive maintenance on your marine engine or AC system, RYDLYME Marine delivers outstanding, reliable results that far exceed expectations. It's trusted by pros and DIYers alike for good reason—proven over decades, incredibly effective, and genuinely safe. Don't settle for cheaper hacks; this is the real deal for protecting your investment on the water. Highly, highly recommended—grab a gallon and thank yourself later!
Review: Descale you outboard. - Descaler for certain. Great Descaler for my 20 hp engine. Followed the instructions on dilution, let it run overnight. Cleaned engine inside and now works properly. No more limp mode or overheating. Cheap fix rather than taking it to the shop.

## Features

- DISSOLVES CALCIUM, LIME, RUST, BARNACLES AND MUSSELS QUICKLY AND EFFECTIVELY!
- CONCENTRATED, BIODEGRADABLE, NON-TOXIC, AND NON-CORROSIVE DESCALER!
- APPLICATIONS INCLUDE: COOLING SYSTEMS, HEAT EXCHANGERS, CONDENSERS AND MORE!
- DILUTE 1:1 WITH WATER FOR SEVERE SCALE OR UP TO 1:3 FOR PERIODIC MAINTENANCE
- CIRCULATE JUST 2 HOURS FOR SMALL UNITS, 4 HOURS FOR LARGE UNITS!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07BYYYQLY |
| ASIN  | B07BYYYQLY |
| Best Sellers Rank | #39,679 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #73 in Boat Cleaners |
| Brand Name | RYDLYME |
| Contains Liquid Contents? | Yes |
| Customer Reviews | 4.7 4.7 out of 5 stars (248) |
| Date First Available  | May 7, 2018 |
| Is Discontinued By Manufacturer  | No |
| Item Form | Liquid |
| Item Volume | 1 Gallons |
| Item Weight | 10 Pounds |
| Manufacturer | Apex Engineering Products Corporation |
| Manufacturer  | Apex Engineering Products Corporation |
| Material Features | Biodegradable, Natural |
| Number of Items | 1 |
| Package Dimensions  | 12 x 6 x 6 inches; 10 Pounds |
| Scent | Lemon |
| Special Features | Concentrated |
| Specific Uses For Product | Engine, Metal |
| Surface Recommendation | Glass, Plastic |
| UPC | 635238000227 |
| Unit Count | 128.0 Fluid Ounces |

## Product Details

- **Brand:** RYDLYME
- **Item Form:** Liquid
- **Material Feature:** Biodegradable, Natural
- **Scent:** Lemon
- **Specific Uses For Product:** Engine, Metal

## Images

![RYDLYME Marine Biodegradable Descaler - 1 Gallon - Image 1](https://m.media-amazon.com/images/I/713Z7rQB5XL.jpg)

## Questions & Answers

**Q: Safe to touh an aluminum boat trailer or stainless boat prop?**
A: It's safe on aluminum outboard powerheads so I'm sure it's safe on a aluminum trailer and it won't harm the stainless prop at all

**Q: Can it be used in indoor plumbing**
A: Well depends on problem , drain clog no won’t work . But if you have a plumbing coil that has mineral scale from hard water yes it will work . Also any water system closed loop style will clean internal deposits like a heating coil on boilers . Good luck

**Q: Is this safe for plastic and the pads of an evaporative cool?**
A: This product is safe on plastic. For an industrial application, we would recommend using our Industrial Descaler, RYDLYME. https://www.apexengineeringproducts.com/product/rydlyme-biodegradable-descaler/

**Q: I used it to flush a hot water heater. Two weeks later the hot water smells while the cold water doesn't. How long does the smell / odor last?**
A: Usually a smell from a water heater means the anode rod, has gone bad.  You can flush it many times.   It will only come back….   Change the rod.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Will buy Again !!!!!!!!
*by O***E on March 1, 2026*

These RYDLYME Marine Biodegradable Descaler (typically sold in 1-gallon or larger bottles) is hands-down one of the most effective and safest tools for keeping your boat's cooling system, heat exchangers, outboards, inboards, and other water-cooled components running cool and efficient! This stuff is a game-changer for dissolving stubborn scale, calcium buildup, rust, barnacles, mussels, sand, and mineral deposits that clog passages and cause overheating—without the harsh risks of traditional acids like muriatic. It's fully biodegradable, non-toxic, non-corrosive to most metals (when used as directed—note: remove zinc/magnesium anodes first to avoid pitting), and safe enough that you can handle it with bare hands. No nasty fumes or gloves required for basic use, and it's eco-friendly for marine environments. Application is straightforward: dilute per instructions (often 1:1 or as needed), circulate through the system (muffs for outboards, pump setup for inboards/AC), let it work (foaming/bubbling shows it's actively dissolving gunk), flush thoroughly, and you're done. Users report dramatic results—overheat issues vanish, "pee" streams flow strong again, cooling passages look factory-fresh, and engines run noticeably cooler. One flush pulled out cups of solid debris from heavily fouled systems, restoring performance like new. Many boaters make it an annual or bi-annual ritual, saying it's worth every penny compared to downtime, repairs, or less effective alternatives like vinegar or Salt-Away for heavy scale. The concentrated formula works fast (often in hours or overnight), cleans up to 12x quicker than some competitors, and holds up across seasons of salt, brackish, or hard water use without damaging seals, gaskets, hoses, or rubber components. Cleanup is easy—just flush with water—and it leaves no residue. If you're dealing with overheating, reduced water flow, or preventive maintenance on your marine engine or AC system, RYDLYME Marine delivers outstanding, reliable results that far exceed expectations. It's trusted by pros and DIYers alike for good reason—proven over decades, incredibly effective, and genuinely safe. Don't settle for cheaper hacks; this is the real deal for protecting your investment on the water. Highly, highly recommended—grab a gallon and thank yourself later!

### ⭐⭐⭐⭐⭐ Descale you outboard.
*by H***T on November 13, 2025*

Descaler for certain. Great Descaler for my 20 hp engine. Followed the instructions on dilution, let it run overnight. Cleaned engine inside and now works properly. No more limp mode or overheating. Cheap fix rather than taking it to the shop.

### ⭐⭐⭐⭐⭐ Descaler clean water passages
*by K***R on February 19, 2026*

Great product works well

## Frequently Bought Together

- RYDLYME Marine Biodegradable Descaler - 1 Gallon
- Superior Pump 91250 1800GPH Thermoplastic Submersible Utility Pump with 10-Foot Cord, 1/4 HP

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-03-15*