It should take about 7 ounces of CYA to take a 2000 gallon pool from 0 - 30 ppm of stabilizer....

The calculator that we're using is called bleachcalc, and it was developed by mrsmith, a former member of the forum, and further refined by a current member of ours, chem_geek. http://www.poolforum.com/zxq/BleachCalc262.exe

It is a chlorine calculator, but if you'll look in the upper left hand corner, there are other calculations that it does, as well...

Janet