I have a TF100 test kit, and am wondering if there is any hazard in dumping each of the included tests into the same container after I complete the test? I would normally just set each vial aside until I was ready to wash and dispose of everything, but I just got a Taylor SpeedStir. So I was thinking of dumping all the completed tests into a quart size container and then grab the speedstir pill to use for the next test.