Superhydrophobic spray.
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Previously:
https://www.homemadetools.net/forum/...078#post134248
https://www.homemadetools.net/forum/...028#post129842
https://www.homemadetools.net/forum/...423#post131596
https://www.homemadetools.net/forum/...871#post129275
https://www.homemadetools.net/forum/...891#post119616
https://www.homemadetools.net/forum/...362#post116616
https://www.homemadetools.net/forum/...221#post116003
