If you use the Harpic x10 on the exhaust go slowly and carefully after doing a test patch.
It's brutal stuff and I stupidly used it on some stubborn lime scale on our chrome taps. It took the top layer of chrome off in a couple of spots. Only use it on stainless.
If you use the Harpic x10 on the exhaust go slowly and carefully after doing a test patch.
It's brutal stuff and I stupidly used it on some stubborn lime scale on our chrome taps. It took the top layer of chrome off in a couple of spots. Only use it on stainless.