Thread: Magnesium testing
View Single Post
  #2  
Old 06-26-2010, 05:03 PM
TRS's Avatar
TRS TRS is offline
Member
  
Join Date: Feb 2003
Location: Lloydminster, Alberta
Posts: 408
TRS is on a distinguished road
Default
Are you using the same brand of test kit? Salifert, ELOS, etc?

Have either past their expiration date?
Reply With Quote