I just finished reading your article about the Sea Salt tests being run by M.A.R.S.H.., and had a quick question. Was any thought given to duplicating at least a couple of the tanks exactly? While the point of the test is to control for as many variables as possible, and thus to show differences between salt mixes, it seems to me that such a situation would be valuable.
Lets say you duplicated 2 of the salts, adding two additional tanks for a total of 12. If at the end of the tests, you got identical results from both tanks using the same salts (in both instances of the duplicated tanks), it would go a long way towards convincing me that in fact the salt mix was the only difference between the ten tanks being measured. However, if you got different results from tanks with the exact same salt mix, then the results of the entire exercise would seem to be suspect.
Make sense?
Lets say you duplicated 2 of the salts, adding two additional tanks for a total of 12. If at the end of the tests, you got identical results from both tanks using the same salts (in both instances of the duplicated tanks), it would go a long way towards convincing me that in fact the salt mix was the only difference between the ten tanks being measured. However, if you got different results from tanks with the exact same salt mix, then the results of the entire exercise would seem to be suspect.
Make sense?