Hypo shelf life

jason1965 · Oct 24, 2017

Anyone got any idea the shelf life of hypo once its been open ?

sllab · Feb 3, 2018

It is affected by heat, sunlight, exposure to air and anything else added to it. I would suggest using it within 2-3 weeks once opened.

Dave B · Feb 4, 2018

I have used an open drum 3 months after opening while stored in my shed in middle of summer

It gradually gets weaker but would take a while to notice a difference and you can always make it a little stronger if needed

tench0771 · Feb 7, 2018

i had one opened and left on the dive for about 7 months but it lost some of its strangth so i used it neat

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Hypo shelf life

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