BritLad Posted November 18, 2015 Share Posted November 18, 2015 I have an aircon unit on my balcony. It has had a slight leak, over a long period, where the pipes are connected to it. Now it's been moved and regassed, but it's left behind a nasty stain on the concrete floor. I've tried white spirit and thinners but they don't touch it. Any ideas on how to remove the stain, please ? Link to comment Share on other sites More sharing options...
wayned Posted November 18, 2015 Share Posted November 18, 2015 Try bathroom/toilet cleaner in the purple bottle, Vixol. Give the area a good soaking and let it sit for a couple of minutes then scrub it with a brush. Be careful, it contains 10% hydrochloric acid. Link to comment Share on other sites More sharing options...
BritLad Posted November 18, 2015 Author Share Posted November 18, 2015 Thanks for your quick and helpful response, WayneD - I'll try that. Link to comment Share on other sites More sharing options...
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