Need DPD powder at end of year...good next year?

Rost-Lufer

Well-known member
Jun 26, 2023
62
Southern Michigan
Pool Size
7500
Surface
Vinyl
Chlorine
Liquid Chlorine
Hey all I'm at the end of my DPD powder. I need to buy some more. Will this still be usable next year? I know the product is supposed to be good for one year but wondering if it actually last a full year. Maybe it last longer? How do you know if your powder is good or bad?
 
If stored in a temperature and humidity controlled location (basically indoors with AC and heat) the R-0870 powder should be good for at least 2 years.

This is assuming it's fresh when you get it, which if you're ordering from TFTestkits it will be.
 
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