Quote Originally Posted by fullhouse
it has been more than a week since i added 3 1/2 lbs of stabilizer i took a water sample to the pool store 2 different times today and had it tested both tests came out with 0 cya. is there any reason this should be happening. i had added the stabilizer in an old knee high tied to the ladder and it dissolved in around 2 or 3 days. i need to know if i should add more stabilizer or give this a few more days to read.
There is a good reason the pool store would show 9 cya. They want to sell you more!

the cya test is the easiest one to do wrong. Test for it yourself!