I tried out the bio sea and wasn't impressed considering the price. I don't remember the specs but the alk and Ca were both not what I get from my usual salt, there was a lot of precipitate and it looked "dirty" when mixed. Granted it
could have been a bad batch, but after that I just did not feel like trying another bag of the stuff. I've seen the "report" (it was shown to me by a disreputable vendor not associated with canreef vendors so that may invalidate my opinion
) and I would have to say that IMO it did look like it had been paid for considering where they rated some of the better salts (theirs right on top, of course).