Devilish AC Members Jun 8, 2007 82 0 0 Northeast NJ Jan 31, 2008 #1 I use an API Mast Kit which uses test tubes. After each use, I just rinse each tube well with tap water and let dry. I know my tap water is pretty bad, will this leave any residue behind and affect the accuracy of the test?
I use an API Mast Kit which uses test tubes. After each use, I just rinse each tube well with tap water and let dry. I know my tap water is pretty bad, will this leave any residue behind and affect the accuracy of the test?
