I have pictures posted on my Facebook page. Once I got the chems in balance, I decided to tackle the black ring around the edge. Used crushed vitamin c to verify metal stain. Continued to use the "c" to clean the ring. Ordered 5lbs of citric acid, since it's 3 times cheaper than "c". Distributed about 2 lbs of it around the pool. After 12 hours the ring is gone. The brownish stains are gone. The water is Blue!
What should I do about this?