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Old 25-04-2016, 06:05   #1
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zinc spray

Hello All, I just installed a bronze thru hull depth sounder, Do I need to spray the bronze part with a zinc spray ? I've done the strut and prop.
thinking it couldn't hurt.
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Old 25-04-2016, 06:57   #2
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Re: zinc spray

If you are referring to the head of the transducer itself then no. Coating the transducer with anything other than paint designed for that specific application will reduce the strength of the signal giving you limited or possibly zero max depth range.

The paperwork that comes with transducers usually mention this.
The water is always bluer on the other side of the ocean.
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Old 25-04-2016, 07:19   #3
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Re: zinc spray

Thanks for getting back to me I'll breakout the paperwork.
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