Well, this is my 4th attempt to post a message.. I know the list was down - and I also made an error on the address... I have used CS for quite so time, but have no desire to make my own. I would like some guidance on purchasing more... I have ordered the CS from Utopia Silver - which was the 20 ppm. Now I see they just carry the 50 ppm.. Another website advised 50 ppm is the strongest to put into your eyes, but for serious illnesses a Much higher ppm is advised. I use to spray in eyes occasionally, nose, throat, and also for my dogs (chihuahuas) and puppies. Can you give advice of a good source and also a ppm? When you make yours - are you able to tell the strength? (ppm)? Thanks, Sandy
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