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View Full Version : api test kit going crazy

baldomero
03/04/2009, 09:11 AM
hey guys any reason why i would get three diffrent readings when i tested for nitrates today it went from 0 to 160 between the three tests
Percula9
03/04/2009, 11:27 AM
Bad kit maybe, get a new one.
Icefire
03/06/2009, 12:35 AM
reagent not shaken enought?