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Old 06-22-2007
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Head hose flushing

I've just noticed some calcium build up in my head hose. What is the best way to clean it out short of replacing it?
Thanks,
Wm
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Old 06-22-2007
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The least damaging method would be to use vinegar repeatedly... or you could use muriatic acid, but it is a good deal stronger, and more dangerous, and more likely to damage parts of the system.
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Take it off and bang it on the dock. Then use vinegar once a month and leave it sit in the lines for several hours. Muriatic acid works even better for ardened scale but don't let it sit in your system for long and make sure you have good ventilation and dont breathe in the fumes.
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Old 06-24-2007
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Muretic acid

Please tell me how to use the acid for clearing out the head hose

Thanks,
Wm
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Old 06-24-2007
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Start with an empty head bowl. Turn OFF intake water. Set Y valve to overboard discharge. Don't worry acid is neutraliczed in seawater.

Add 2 cups of muriatic acid 10% solution into the dry bowl. Available home depot/lowes
Let bubble and fizz for a couple of minutes. Do NOT breath fumes.
Flush just so the bowl empties. Wait several more mintes as the acid cleans scale from inside the pump.
Flush some more moving the acid into your lines. Let sit a few more minutes.
Open water intake and flush out system thoroughly.

You may need to repeat if you have heavy scaling. If you repeat...just flush the acid through to the line immediately rather than doing the bowl and the pump sections first.
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