Quote:
Originally posted by Billybeau1
Some of them did, but again, they base their results on 1.024 . Don't understand why they want to use this standard when most of us mix to 1.026. As you all know, there is quite a difference in Ca++ and Mg levels between 1.024 and 1.026
When they say makes 200 gallons, they mean 200 gallons at 1.024. At least most of them do. 
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Sadly, I think this goes back to the early 90's and the birth of Reef Crystals. At the time, most of the "experts" recommended a specific gravity slightly below NSW, to avoid the possibility of dangerously high salinity due to evaporation. Many of the gadgets available to us today to maintain constant water levels in our displays and/or sumps did not exist, or at the least were not readily available to the hobbyist back then. I believe this standard goes back to the creation of Reef Crystals at that time, and has been mimicked by the newer salts through the years. For one thing, it allows them to make apples to apples comparisons, and for another, it allows the manufacturers to sell a 200 gallon pail that only makes say 185 gallons at NSW versus 200 at 1.024. In other words, it is more profitable.
Anyhow, that is just a guess.
Happy New Year, all!