---
product_id: 696659988
title: "RYDLYME Marine Biodegradable Descaler - 1 Gallon"
brand: "rydlyme"
price: "₨141392"
currency: LKR
in_stock: true
reviews_count: 5
category: "Rydlyme"
url: https://www.desertcart.lk/products/696659988-rydlyme-marine-biodegradable-descaler-1-gallon
store_origin: LK
region: Sri Lanka
---

# Dissolves scale 12x faster 100% biodegradable & non-toxic Works in as little as 2 hours RYDLYME Marine Biodegradable Descaler - 1 Gallon

**Brand:** rydlyme
**Price:** ₨141392
**Availability:** ✅ In Stock

## Summary

> 🌊 Keep your marine engine cool, clean, and cruising—without compromise!

## Quick Answers

- **What is this?** RYDLYME Marine Biodegradable Descaler - 1 Gallon by rydlyme
- **How much does it cost?** ₨141392 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/696659988-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:** Circulate through cooling systems or heat exchangers with minimal downtime—just 2-4 hours to restore peak performance
- • **Eco-Friendly Powerhouse:** Concentrated, biodegradable, and non-corrosive formula safe for most metals and marine environments
- • **Rapid Scale Annihilation:** Dissolves calcium, rust, barnacles & mussels up to 12x faster than competitors
- • **Trusted by Pros & DIYers:** Proven over decades to prevent overheating and costly repairs, keeping engines running cooler and cleaner
- • **Flexible Dilution for Every Job:** Customizable 1:1 to 1:3 dilution ratios for severe buildup or routine maintenance

## Overview

RYDLYME Marine Biodegradable Descaler is a concentrated, eco-friendly solution designed to rapidly dissolve tough marine scale, rust, and biological fouling in cooling systems and heat exchangers. Safe on most metals (except zinc and magnesium), it works effectively within 2-4 hours when diluted properly, restoring optimal water flow and preventing overheating. Trusted by professionals and boat owners alike, it offers a non-toxic, non-corrosive alternative to harsh acids, ensuring hassle-free maintenance and long-term engine protection.

## Description

This item contains (1) single gallon of RYDLYME Marine Biodegradable Marine Descaler. This product is to be diluted 1:1 with water and water only prior to use. For periodic maintenance cleaning, it may be diluted further to 1:3 with water. It is also available in case quantities of (4) single gallons. No ready-to-use item is manufactured. RYDLYME Marine works most effectively when circulated through an application such as a raw water cooling system, oil cooler, or A/C condenser in order to rapidly dissolve any unwanted marine fouling of water deposits. RYDLYME MARINE is safe on virtually any metal or material except for zinc and magnesium. Make sure to blank anodes or plan on replacing them after cleaning the cooling system on a marine engine. For complete instructions, SDS, and Specifications please review the available Technical Documents below or visit www.RYDLYMEMarine.com for further information and to contact a product specialist.

Review: 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: Brilliant. Descaled my motor boat diesel engine coolers. Saved £££££s avoiding strip downs of coolers. Inspected cooler internals with inspection camera after flush. Spotless & engine temps perfect.

## 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 |
| Batteries required | No |
| Customer Reviews | 4.7 4.7 out of 5 stars (242) |
| Date First Available | 10 January 2024 |
| Item Weight | 10 Pounds |
| Item volume | 1 Gallons |
| Manufacturer reference | RYM01 |
| Package Dimensions | 30.48 x 15.24 x 15.24 cm; 4.54 kg |
| Scent | Lime |
| Specific uses | Engine, Metal |

## Product Details

- **Brand:** RYDLYME
- **Item form:** Liquid
- **Material features:** Biodegradable
- **Scent:** Lime
- **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

### ⭐⭐⭐⭐⭐ Review
*by O***E on 1 March 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!

### ⭐⭐⭐⭐⭐ Review
*by D***N on 5 September 2025*

Brilliant. Descaled my motor boat diesel engine coolers. Saved £££££s avoiding strip downs of coolers. Inspected cooler internals with inspection camera after flush. Spotless & engine temps perfect.

### ⭐⭐⭐⭐⭐ Review
*by H***T on 13 November 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.

## 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 Sri Lanka*
*Store origin: LK*
*Last updated: 2026-03-16*