PS234 Main Page PS234 Intro # of Tests in Kit
PS233 vs. PS234 Cross-Match PS & Taylor FAQ (?'s About the Kits)

How Long Test Chemicals Keep
PS # Taylor # Life expectancy Notes
Q-CHL #1 n/a 2 - 3 yrs Can deteriorate in sun or heat.
PH #1 R-0004* 2 - 3 yrs Can deteriorate in sun or heat.
CHL #1 R-0870 1 season! Very moisture sensitive.
CHL #2 R-0871 1 - 2 years Taylor says 1 yr; we're not sure.
CHL #3 R-0003 1 - 2 years Light sensitive
ALK #1 R-0007 -- years --  
ALK #2 R-0008 2 - 3 yrs Can deteriorate in sun, heat, or cold.
ALK #3 R-0009 -- years --  
CAL #1 R-0010 -- years --  
CAL #2 R-0011L 2 - 3 yrs Can deteriorate in sun, heat, or cold.
CAL #3 R-0012 -- years --  
CYA #1 R-0013 -- years --  
SALT #1 R-0 -- years --  
SALT #2 R-0 1 - 2 years VERY light sensitive! STAINS STUFF!!