I'm trying the apple cider vineger on a engine block right now.
Pulled it out of the tank after 48 hours an pressure washed it.
before pressure wash.
after pressure wash
It went back in the tank for another 24 hours.
Pulled it out of the tank after 48 hours an pressure washed it.
before pressure wash.
after pressure wash
It went back in the tank for another 24 hours.