LaMotte Borate Test Strips

feetr2c

Well-known member
May 13, 2012
72
How long is the shelf life on these? Once a pool is at 50 ppm, then in theory it wouldn't need to be tested again till opening next season. Unless the obvious like a bad leak, or 5 inches of rain in a storm etc.

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JasonLion

TFP Expert
Platinum Supporter
LifeTime Supporter
May 7, 2007
37,880
Silver Spring, MD
It has to do with how much humidity gets into the container. If they are well sealed and dry they can last two or three years. If they get damp they are ruined.