Quote:
Originally Posted by Mike B
That's pretty cool-no pun intended-seems a great way to clear out a cooling system, especially since it seems to dissolve the rust, and not just make it flake off.
Nice.
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Yeah. Glad I never tried the acid trick before learning about it.
Only down side - it costs more than vinegar, $60.00 for five gallons compared to $25.00 for the vinegar but it can be used over and over again to de-rust up to 300 lbs. of steel per gallon so that's some compensation for the extra cost.