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I just found out a friend of mine, who uses Coralife salt, is having problems with his PH being low and not being able to get it up no matter how many water changes he makes (no jokes please). I picked him up a Selfert Alk test to aid him in the diagnosis of his problem. After he tested his salt water he found that the alk was at 16dkh. Now my friend is somewhat new after getting back into to the hobby after a break from aquariums, but I trust in his ability to use the test. When I questioned him on the process he indicated he had to add nearly a whole ML of the final reagent to get to endpoint. That sounds right for a high Alk reading.
I just thought this might be another indicator of the problem being experienced at the plant in CA where all this salt is made and the QA problem that apparently exists.
I must stress that I did not first hand see the results, or every condition existing with his tanks, but I asked for a sample of his salt that I would test. An interesting fact if true.
The story continues...
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