San Francisco Salt Company was great to do business with and I gladly recommend them. I bought 25 lbs of the "sherpa pink" salt in fine grade (it still needs to be run through a coffee grinder because the grains are a bit too large for a salt shaker). We've been using it for all our cooking and baking for about 6 months now, and I must say that pink salt has great flavor!
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If I remember correctly, their site explains that all their Himalayan Pink salt is culinary grade. But since they're primarily a bath salt company, they tend to stock the larger grain size rather than the superfine grind that you normally see in the grocery store.