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Tap Water and Chelator
Pardon my ignorance here guys. I have always used distilled water to make my products along with a chelator. I was sent a few formulas that just say water and I was wondering if it’s fine to just use tap water as long as it includes a chelator?
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7 Replies
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Well, that depends on the quality of the tap water. You might be able to use it, but you might not be able to use it.
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Thanks for responding Perry. I was thinking about regular tap water/city water.
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The company I worked for regularly used city tap water for batches but it was usually filtered. But in the lab we always used deionized water.
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You would need to test and even then I would be reluctant. You could have microissues. I also believe you would have cGMP issues if audited. I know of a company in Tampa that tried this and their auditor was not a fam whatsoever.
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Thanks!
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To Microformulation’s point, city water typically includes Pseudomonas aeruginosa etc. at some level, typiucally in a biuofilm context. IF you use it, you should heat it 1st -prefer 80C but at least to minimal Pasteurizing levels - ~60C.
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Thank you!
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