I am required to keep 12ppm of a metal sequestrant for salt pools during the first year in order to maintain my warranty. I did pick-up a quart from Pinch-A-Penny for about $22 because I was in there getting my mandatory weekly water test results (again the warranty thing).

The guy at the pool store told me that I would need to add about 9 oz a week to keep the right level in the pool, but that stuff is really expensive!

I started the pool with BBB - so I am shocked when I have to pay more than a few dollars for something. What other manufacturers make a comparable product?