Posted by Chris Case [108.247.147.90] on Friday, October 23, 2015 at 22:15:00 :
In Reply to: Re: Reverse polarity makes more penetration posted by Franz [24.149.37.138] on Friday, October 23, 2015 at 21:17:45 :
Melted flux = membrane, CO2 from Calcium Carbonate when heated.
Been a long time since Flux School? ;^)
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