How to read production date of SH

just scroll down to the sodium hypochlorite and click on the tech link. I don’t know where I found half the documents I have, I was getting them from the u.s, australia, the EU and canada. I would have gotten them from other places, but I only read english.

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:+1: Thank you!

No problem. I asked CaCO3girl about this before, because I was driving myself nuts trying to find an answer. I did find a formula, through enough due diligence, but it only answered one part of a much larger picture. Without beating this into the ground, keep in mind that the other variables will contribute to it breaking down even faster. The main killers of sodium hypochlorite are heat, light, and contaminents. Most of the pros on here go through their SH so fast this isn’t a concern for them. It would likely only affect small operators ordering large volumes, or those with a lengthy winter who store it off season without use.

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Hi there, sorry for my delay, I’m at a conference and I’m on pacific time and it’s really messing with me. Anyway, if I wanted to know the old ness of a bottle of SH I’d check the lot number on the bottle. Most companies use a Julian date code something like 20012B would translate to 2020, the 12th day, ran on line B. 19342B would be 2019, the 342cnd day line B.

Hope that helps

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