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#1 |
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Join Date: Mar 2004
Location: Edinburgh
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A mate swears by this stuff for cleaning downpipes.
I've seen stuff called Dr Downpipe on YouTube. Any thoughts?
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#2 | |
John T
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#3 |
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Yes, the Harpic does work - brush on carefully to avoid splashing on engine cases etc, leave 10 mins, rinse off. However I found the first 18 inches of downpipe (i.e. the hottest parts) discolour again in a couple of months.
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#4 |
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or just keep the Solvol handy...
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#5 |
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Any limescale remover will do, it's the acid in it used to dissolve the limescale which also takes off the tarnish. Like rust killer un-oxidises rust back to metal. There are some gels from Range which I've used in the past.
Spirit vinegar, acetic acid, citric acid (yes rubbing a lemon on it) are far more gentle if you are worried, they take longer though. It won't prevent it coming back and a quick polish is better to maintain it once you've cleared it.
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