No Expiration Date On TFTkit refills?

[revitup]

I just ordered new CYA reagent and CYA standard from TFTkits and none of the containers show an expiration date. Why's that? I expected that they'd be dated. How would one know how old they are and when they expire?

 

[mknauss]

CYA reagent has no expiration date. Keep it in climate controlled conditions and it will last 'forever'.

 

[revitup]

What about the standard? I thought there was some concern that the CYA standard solution could go bad over time.

 

[mknauss]

That one I do not know. I assume it is distilled water with CYA in it. Email TFTestkits.
[email protected]

 

[poolnoobgrandma]

There's a "best by" date on my big bottle of CYA reagent.. My guess is that it's about 2 years from manufacture. Not disagreeing that it may not actually go bad.

 

[Homebrewale]

That's a good question on expiration dates. The R-0013 Taylor bottles do have dates on them and the TFT reagents are the same as Taylor. I wonder if it's some obscure law that certain items need dates. I got a salt grinder from Costco with an expiration date on it. Take millions of years old salt, put it in a container and it now expires.

 

[Brett S]

I was curious about this as well and emailed them about it. This is what they told me:

I guarantee all reagents for a year, so if there is no color change or abnormal reading that you get, I will replace that reagent. I am very small and only order what I will ship.