Safe to touh an aluminum boat trailer or stainless boat prop?

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

Can it be used in indoor plumbing

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

Is this safe for plastic and the pads of an evaporative cool?

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/

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?

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.

Rydlyme Marine Biodegradable Descaler 1 Gallon

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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€ 330.90

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In stock

Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌊 Clean smarter, sail stronger—ditch the scale, not the planet!

CUSTOMIZABLE STRENGTH - Dilute 1:1 for heavy-duty cleaning or up to 1:3 for routine maintenance—precision cleaning on your terms.
TIME SMART CIRCULATION - Small units cleaned in just 2 hours, large units in 4—get back on the water faster and fresher.
ECO FRIENDLY POWERHOUSE - Concentrated, biodegradable, non-toxic, and non-corrosive—clean your systems without compromise.
RAPID SCALE ANNIHILATION - Effortlessly dissolves calcium, lime, rust, barnacles, and mussels for peak marine performance.
VERSATILE MARINE MAINTENANCE - Perfect for cooling systems, heat exchangers, condensers, and more—one product, endless applications.

RYDLYME Marine Biodegradable Descaler is a concentrated liquid solution designed to rapidly dissolve tough marine scale deposits like calcium, lime, rust, barnacles, and mussels. Safe for most metals except zinc and magnesium, it’s ideal for cleaning cooling systems, heat exchangers, and condensers. Its biodegradable, non-toxic, and non-corrosive formula ensures effective maintenance with minimal environmental impact. Dilution ratios and circulation times are customizable for both heavy-duty and routine cleaning, making it a must-have for professional marine upkeep.

Specifications

ASIN	B07BYYYQLY
Brand Name	RYDLYME
Contains Liquid Contents?	Yes
Customer Reviews	4.7 4.7 out of 5 stars (255)
Item Form	Liquid
Item Volume	4 Gallons
Manufacturer	Apex Engineering Products Corporation
Material Features	Biodegradable
Model Number	RYM04
Number of Items	1
Part Number	RYM01
Scent	Lime
Size	128 Fl Oz (Pack of 1)
Special Features	Concentrated
Specific Uses For Product	Engine, Metal
Surface Recommendation	Plastic
UPC	635238000227
Unit Count	128.0 Milliliters

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€ 330.90

Duties & taxes included

In stock

Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Cyprus.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

Zainab N.

Fantastic and great service. Shipping was faster than expected.