I opened my pool successfully a couple of months ago. Water was blue and clear, however i had some stains on the wall that would not rub off with a brush but disappeared immediately with a vitamin C tablet. So i bought a 3lb container of ascorbic acid and went to work. I used probably a 1/2 lb of acid, then a 1/4 of a bottle of Jack's Magic Blue Stuff (that's all i had left). The pool has gone downhill real fast. It's toxic GREEN. I did the ascorbic acid treatment almost 2 weeks ago, and it's been green for almost a week now.
Chlorine level was 0, so i added a couple gallons of bleach and a puck to the skimmer basket.
pH = ~6.8 - 7.0
alk = ~50
Today the chlorine is off the charts (ph an alk are the same), but the pool is still as green as ever. Any ideas on getting my blue pool back?