STP Radiator Flush 300 ml, Quickly Cleans All Radiator Cleaning Systems, Prevents Overheating, Rust and Corrosion, Mechanical Car Cleaning Products, Made in the UK

Worked well, added to car radiator ran vehicle round for a while, left in overnight drained next morning it was unbelievable how much muck and sludge came out Great product

Good, it done what it was meant to

Works

Noise level wasn't high to start with but quieter still now...radiator wasn't dirty but coolant flush a must as new hoses n water pump installed + cam belt ..diagnostics showed all in order...

Used this before in my old tractor seems to do the job ok

Good product, good quality, does what it is designed to do

Quite basic. Although this did work.You really do need two bottles, maybe 3 for it to properly work.Depending on how often you clean your system. If often then this will be fine. If not regularly and your a first time user two of these i recommend. Although for the same price you can choose a higher quality brand.

I think my radiator must have been quite clean anyway.But I'm sure it did no harm.

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Very very good quality product as always stp has provided great results either radiator flush or petrol fuel system cleaners highly recommended

Excellent

Easy to use and great Flush but maybe you need to buy 2 and do the process again after a week

To me if we use a full shampoo sachet with water and flush it out at the garage it can do the same job