Ruff sandpaper like finsh??? Zinc??
Seems like everything went south for me after my 3 rd batch of parts, zinc finish is ruff like sandpaper instead of smooth and glossy look like before. Im running 1.5 amps on my rectifier, parts are 3/16 tube only 1/4 long. Ive cleaned my filter on the pump also. parts are glassbeaded, polished on a wire wheel. After 18 to 20 min. parts are removed and look very ruff like sandpaper, any ideas??
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