4 Answers
Hydrochloric Acid will take off oil stains in a jiffy, it is quite safe to use, always wear gloves and safety glasses no matter what product you are using.
12 years ago. Rating: 5 | |
Hi bullitman I thought Hydrochloric would eat in to the concrete!
g'day mel, no it wont, i use it all the time , where it cleans the oil stain is nice and clean back to the original cement/ concrete. the acid is a weak acid not like sulphuric which wlii dangerously burn. pour the acid on the oil stain, use a large brush and scrub the area then wash off with a hose and walla stain is gone. it bubbles and fumes when poured onto the concrete, don't be alarmed this is normal. in OZ it is sold in 2 -4 litre plastic containers. you can use a degreaser from the auto shop but this is a more expensive way of cleaning, they come in pressure pack cans. ---- it's 2.20 am time for beddy byes good night.
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