I used Solar Salt as well, $4 for 40 lbs at Home Depot. I'd go with the pellets as the aren't as sharp as the crystals. I just poured it in the bottom of the pool. The neighborhood kids really got a kick out of it. According to the pool store, I'm around 2,000 ppm (I know, need to up grade my Ps233 to the new Ps234S ) and I notice a big difference. My skin isn't as "dry" feeling when I get out and I always swim under water with my eyes open and that's where the real difference is. Absolutely no discomfort or red eyes after spending all day in the pool.

Dave