For TI27 test kit (1/4 oz. phenolphthalein).
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What is the normal shelf life of (1/4 oz. phenolphthalein).?
Question by: Hank Kingston on 2/26/2018 10:16 AM- Click to see answer
Hello Hank. The shelf life is a couple of years. I have used some that was over 2 years old and it still worked. You may need to add a few extra drops to the wine sample.
Answer by: M Pastor (Admin) on 2/26/2018 3:52 PM