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Hi, I've searched for advice on the best additive to an ultrasound cleaner.</div>
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Too much info, it's confusing, and some bottled mixes cost an arm and a leg.</div>
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My results seem medium rare. Missing pizzaz!!</div>
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My current recipe is wash down with isopropyl (99.9%).</div>
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Then add distilled water to tank+ a squirt of dishwashing detergent + 60 degrees Celsius.</div>
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The boards are old and new FR4.</div>
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Any thoughts.</div>
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