How do you store your spray?
In a cool dark place.
At least 24" away from electronics; including speakers, computer monitors, televisions, ovens, refrigerators, microwave ovens, cell phones, airport X-ray scanners etc.
Most problematic is a strong magnet like those found in loudspeakers, CRT monitors/TV's (CRT = Cathode Ray Tube, in other words NOT LCD/Plasma)
How long does it stay good?
As long as it is stored correctly and not exposed to any of the above things -- indefinitely.
It lasts forever!
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