do you have to flush after ? Or can you just leave in?

You rinse the cooling system with water, flush it out, then refill

how large a radiator does this product clean?

It is based in total coolant volume. If your vehicle's coolant capacity is higher than the recommended maximum dilution quantity, you will need to purchase another.

Is this a 10 minute flush or does it stay in longer?

Follow the instructions on the bottle. It is not recommended to drive with it in nor have multiple engine on/off cycles. Letting the car idle at least 10-15 minutes will not hurt the system, but do not be excessive.

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Radiator Cleaner | 300 ml | Cooler additive | SKU: 2051

Product ID: 5924076

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Details

Brand
Liqui Moly
Item Volume
300
Item Weight
249 Grams
Number of Items
1
Unit Count
1.0 Count

🧪300 ml precision formula

⚙️No core charge required

🛡️0.8 lbs lightweight power

Description

🧊 Keep your engine cool, clean, and ahead of the pack!

CORE CHARGE FREE - No hidden fees or extra costs—pure value in every bottle
DEEP RADIATOR DETOX - Effectively removes sludge and deposits for peak cooling performance
LIGHTWEIGHT COMPACT - Easy to store and handle without adding bulk to your maintenance kit
EFFORTLESS APPLICATION - Single-dose 300 ml bottle designed for quick, mess-free use
TRUSTED AUTOMOTIVE LEADER - From Liqui Moly, a top-ranked brand in cooling system additives

Liqui Moly Radiator Cleaner is a 300 ml cooler additive designed to flush out radiator sludge and deposits, enhancing your vehicle's cooling efficiency. Lightweight at 0.8 lbs and requiring no core charge, this trusted formula from a leading automotive brand ensures hassle-free maintenance and optimal engine performance.

Specifications

ASIN	B00CPL99N6
Best Sellers Rank	#8,257 in Automotive ( See Top 100 in Automotive ) #4 in Cooling System Additives
Brand	Liqui Moly
Date First Available	May 9, 2013
Is Discontinued By Manufacturer	No
Item Weight	8.8 ounces
Item model number	2051
Manufacturer	Liqui Moly
Manufacturer Part Number	2051
Model	Liqui Moly 2051 Radiator Cleaner - 300 ml

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TrustScore 4.5 | 7,300+ reviews