DPD Test Powder turned to granules

Emarshbuck

LifeTime Supporter
Aug 3, 2013
146
Hilton Head, SC
My DPD test powder, R-0870, turned to granules over the winter, even though the entire TFT test kit was indoors, air conditioned & heated. Is it still usable?

thx

ed
 

slickraft

Well-known member
Oct 7, 2016
219
Phoenix
My old R-0870 got granular over the winter and I compared it to the new batch I just got from the TFT spring sale. Same results. :)
 
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