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Ok. So I'm ready to start the ascorbic acid treatment to get rid of my iron stains. It says you may want to add polyquat 60 to keep algae from growing. I don't have any. Is this step necessary? It says I can start raising the chlorine level after 24 hours. Will algae likely grow that quickly...

I have some staining in my pool that I have determined is iron by using a vitamin C tablet. I read online that this comes from well water. We don't have well water. It can also come from rust of pipes due to low ph. I was having some problems with the ph and didn't do a great job keeping up...

We are getting a light yellowish stain or fading (not sure which) around the edges of our liner on the floor of the pool. Anyone know what this is?

We started having trouble with our pool and called a repair person. She said the pump wasn't priming at all and we needed to replace it. After she replaced it, she discovered that the skimmmer line was also clogged. She tried to unclog it (I think with a hose) and couldn't get it. She didn't...

My husband and I went away for ten days and had my brother add chlorine to the pool while we were gone. I forgot to tell him to also backwash, so by the time we returned, the water wasn't circulating. The pool was still clear, but there was brownish algae creeping across the floor. I...

did not know to bring to room temp. Thanks!

Yes, we have a tablet feeder. According to the pool calculator, each puck will add 3 to the CYA, so we'll need to add a dozen or so to get the CYA up to around 40. Is this what you recommend doing?

I accidentally drained most of my pool and have refilled it. I am rebalancing the chemicals. The pool contractor I spoke with (who is going to help me with my liner issues in the spring--as draining the pool caused wrinkles and pulling away of the vinyl liner) said to be sure I get the TA back...

I accidentally drained my pool last night. I was letting out water because of excessive rain, and when I put the pump back on, I turned it to backwash instead of filter. Almost all the water drained. The liner is coming loose (puffy) in several places. Do we just fill it back up, or do we...

CYA is around 60. We're planning to do another partial drain to bring it down to 40. It was at 80 before this drain.

Thank you, everyone, for the great advice! Got the CYA to a more manageable level and SLAMed it, and our pool is sparkly clear (and has been for a few weeks now.) Quick question: We are leaving town for a week. How many pucks do we need to put in to keep the chlorine levels up high enough...

Update and two questions: We drained 1/3 of the pool today! Felt good to be tackling the CYA issue. It's refilling now, and I'll check the CYA and probably drain some more tomorrow. It looks like a swamp right now. I was brushing, and large clouds of brown stuff lifted from the pool floor...

Do you recommend getting a sump pump, or can I just use the waste setting on my filter to drain? Can I do both 1/3 drain and refills in the same day?

Got it. Here they are!

Couldn't find anything to help with posting the pic. Can anybody help with that?

Okay, what am I doing wrong? Last night, we went out and when we got home at 11 pm, I did a chlorine test for the overnight test, and it showed zero chlorine. I added two bottles of bleach and went to bed. My son woke me up at 1 am, and I tested again then, and it was 15.5. Tested again this...

I'm using the TF 100. I just walked out and looked again, and there appears to be a greenish tint as I look across the pool, but when I get close to the pool, it goes away and is only cloudy. Could it be the reflection of the trees? There are lots of trees around the pool.

Update: I had not tested the water since this morning, and the FC is now 5.5. Should I bring it up to shock level because of the greenish tint, or just get it back up above ten?

When my hubby was taking care of the pool using the pool store, I would notice it would turn greenish after the kids had been in it. Once I found Pool School, I shocked it, and it began looking a good bit better. Not crystal clear, but very clear in the shallow end and just slightly cloudy in...

Our CYA is 80, and I'd like to do a partial drain to bring it down. The pool calculator tells me I'll need to drain half of it to get it to 40. Can anyone tell me the steps I should follow to do this partial drain? I've tried to research it and am getting very confused by all the different...

okay. Thanks! Oh, and, is it bad for the pump to run 24/7?

No solar cover. We are running the pump 8 hours during the day. Should we increase that? Also, do you recommend that I add DE to the pump or use a clarifier? I've seen people talking about both of these things to clear the water.

They did bring in pool toys. I just did another overnight test, and the chlorine loss was 1. But I was swimming last night, and the water doesn't look good. It looks very foggy when you're swimming and has little particles floating in it. When we bought the house, the pool needed relining...

Okay, quick catch-up. I was shocking the pool and had to leave for vacation for 5 days. Put in a puck, but was worried I'd lose all my shocking gains. Came back and the water was amazingly crystal clear. Sadly, it hasn't been that clear since that day. It is clear, but dull. Can see the...

Well, we're back, and luck was on our side. The pool is absolutely clear--the clearest I've seen it. Guess the shock process was complete before we left for vacation. Now I'm ready to tackle the TA. I thought we were dealing with an inaccurate reading last time because my hubby tested it...

help! I've been shocking the pool for 4 days now. It looks markedly better. Shallow end is crystal clear, but still a bit hazy in the deep end. I did an overnight test last night, and FC went from 27 to 22. Problem is, we're leaving for vacation. I'll have to put pucks in while we're gone...

Got it. Thanks!!

Re: Test numbers! Couple more questions: Richard320, You mention raising my FC to 21, but the CYA chart shows I need to raise it to 28 based on my CYA level of 75. Just want to make sure I'm doing it right. Is 28 what I should shoot for? I added the 3 bottles of bleach last night, and I'm...

Do I need to bring the Ph down any before shocking? It's at 7.5. Also, the TA is way off. Should I address this before or after shocking? Anything else I need to do before I pour in all that chlorine? Thanks!

Test numbers! Ok. My test kit came, and I'll have to say it felt a little less precise than I was hoping it would. If we did it right, the hubby and I think the CYA level is 75 (pool store data said 95 a few days ago). (Do you wait until you can't see the dot at all? We could still see just...