How long do test chemicals last?

pmsmith2032

Well-known member
Jan 11, 2011
163
Northern Illinois
I ordered a TF-100 test kit two years ago and have had great luck with it. However, I was wondering how long the various chemicals in it last? Do certain chemicals in it expire and need to be reordered? Thanks in advance!
 

duraleigh

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Apr 1, 2007
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Sebring, Florida
While there is no expiration date, I would say that two years is pushing the envelope a bit.
 

toofast

Well-known member
May 9, 2013
993
North East Ohio
As a follow up to this, if I just bought a new kit today, and I have chemicals left in the fall. Assume I store them properly, do I really need to replace next May or will they last through the 2014 season and I replace AFTER 2 years.

Is there a way to tell if bad or not ?
 
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