algae dust

Hey guys, glad I found this place. I bought a new house with a swimming pool and the pool is green for 9 months since then. I took the water sample to Leslie with their automatic test and adjusted chemical accordingly. Finally I put 5 gallons of liquid chlorine but it did not help. It’s hard to...

I have had this pool for 3 years with no problems. However, this year, I have brown algae all over the bottom. It's too find for my vacuum to pick up. It's November, so I have emptied the pool except for about 1 foot of water. But, the brown, dead, algae is still there. Before I drained the...

Hey everybody. New guy here. Sorry for the long post but I’m at a loss. I’ve read several threads similar to this but never figured out what this grey powder could be if it’s not algae. I’ve fought this on and off, mostly on, for 5 or so years. This grey powder shows up on the bottom of my pool...

Good morning! Pool: 13,500 Fiberglass Chlorine pool with Hayward Chlorine Generator (more on this later) Specs from pool store test: FC: 6.5 TC: 6.5 CYA: 84 (more on this later) PH: 7.7 TA: 106 CH: 193 Phosphate: 0 TDS: 1,000 -We were dealing with what I thought was Mustard Algae early in the...

visible green algae. just on the bottom. Just switched back to liquid chlorine from pucks 3 days ago. Had to drain some water to get CYA down from all the granular “shock” I added trying to kill the algae. Hit the pool hard with liquid Chlorine while waiting for my test kit. Probably should...

Can anyone tell me what is growing on the skimmer area and the baskets. This happened at a time that the pool chlorine dropped to 2ppm. I have ordered some PhosFree that I will try out. I have a high iron issue in the water as well that results in constant re staining of my steps. I have been...

My chemistry reading are. Ph 7.2 Free chlorine 5 Residual 3.0 All 80 ppm First time pool owner, 20 foot round, 48 in pool. Heads up our phosphates were 2400+, and I used phosphate remover, twice. The whole 32 oz bottle over 2 days. We have added stabilizer, and finally have this much chlorine...