Greg,
Forgot to ask you a question. Since you are in the pond management field I hope you can help me with this one. I know it is all but impossible to test for dissolved oxygen from a test that is brought into the lab (versus done in the field)due to movement and displacement, but does the same hold true for the hardness and alkalinity. If we are testing in ppm, can that # change if not tested in the field? The reason I ask is because all of our testing is done in our lab from a test that is either brought or mailed in. I wonder if that could be the reason for the difference in techniques? Just pondering!
Deb
