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Update - Passed OCLT this am. Then we had a hot day of full sun. Down to 17 FC/0.5 CC tonight (it had been 30FC/0.5 CC this morning). It's still about 82F at nearly 8 pm. Pump is still set to 4 hrs. I turned the SWG to 10% for tomorrow. I guess I should just do the DPD test for another couple...

I didn't take the second part of the OCLT this morning. We got a big storm overnight and by eyeballing it, it looks like I picked up about an inch of new water in the pool. Am I correct in assuming that this would likely have skewed my OCLT results by blending the un-chlorinated rain water in...

Here's what it looks like as of about 5 min ago

Yeah. The OCLT is the only thing I have not tested, which I can do tonight - - - Updated - - - The algae was above water level. I treated it with straight bleach as I started filling. I think that's buried somewhere in that monstrous block of text I started with. If not, I apologize for any...

But do I really need to continue a SLAM? The only algae present was above water. The water has been clear throughout the process. I have had 2 consecutive days of CC of 0.5. All I would need to do is measure FC at sundown tonight, then again in the morning. If I pass the OCLT, I am good to drift...

Just tested CYA twice. Got 60 both times

@tim5055 - The algae was on stairs and the skimmer basket. Both were above water and treated with bleach before I started filling. If you see in my regular post, I have 2 straight days of FC readings at 33-34 with CC of 0.5. I'm above SLAM levels as it is. Trying to get my FC down at this point...

I haven't checked CYA yet as I had 2 questions about that: 1. Any CYA that was in there last fall, will that still be in the water that was left behind by draining? 2. The trichlor went in on Sunday. Today is Tuesday, so that CYA won't register yet, will it?

I still consider myself a newbie here. This is my second season with a pool, but the first time we've opened it by ourselves. Before you read any further, rest assured NOBODY is swimming in the water described below. Too cold anyway. And I definitely won't let anyone in until the FC is down to...

Thanks Jason. I am thinking about re-measuring my pool. I have the "clipped" Grecian corners and I entered my measurements based on what the pool builder told me was the shallowest and deepest depths. I have a short, shallow end, then about 1/3 of the center part of the pool is a slope toward...

I added 28# of Boric acid to my pool yesterday. Per pool math, 50 ppm should be 29# and change (477 ounces). Since I've noticed that using pool math with my estimated volume always causes me to overshoot just a touch, I decided to hold back the extra pound and let everything mix up and test...

Thanks bobo. Is the pool swimmable once it's dissolved? Or do I need to run the pump a couple hours before my daughter and her friends get in?

The thread on adding Borax+Muriatic acid recommends waiting 48 hrs before testing for borates. I have, however, decided to go the boric acid route. Got my shipment from Duda Diesel last night. I have a question about testing once I add the acid. Can I test immediately, or is it similar to...

I'll throw in my 2 cents. I'm only about 3 weeks since my initial fill on a brand new pool (my first). A friend at work pointed me here when he heard I was putting in a pool. I peppered you guys with countless questions and had my TF-100 before they even turned a shovel of dirt in my back yard...

So it sounds like staying the course is my best option. I have been seeing progress (albiet slower than my impatient nature would like) with my efforts to reduce TA using the acid and aerate method. I can continue to lower my TA and get it to my desired range, then go with boric acid. With...

I just read this thread and had a question about the use of boric acid vs. borax. I understand the need to add muriatic acid when using Borax in order to counteract the pH rise. My question is on the other side of the equation. If you use boric acid to add borates, should you anticipate seeing...

That's a good idea. It may get me to my desired setting faster than my plan.

Re: Do I HAVE to shock or "boost" my saltwater pool if my levels are OK? People with much more experience than me will be along shortly to go more in depth. I am also a brand new pool owner with a SWG. I can give you my anecdotal experience from yesterday. My FC was a little high to...

-- Full disclosure - I am a brand-new pool owner with limited testing under my belt -- That being said, the theory above is what I have chosen to go with. My pump/control panel measures salt content for my SWG. I bought a bottle of test strips when I bought the TF-100. I tested with one of the...

Thanks Jason. I was basing my numbers on this chart http://www.troublefreepool.com/content/128-chlorine-cya-chart-slam-shock I was thinking the lower 60 CYA with a FC of 4 or 5 to start, since I've read so many horror stories recently about people who allowed their CYA to get too high. My...

First of all, thanks to all of you for the great advice I've received so far. This is my first pool and I'm a little over a week out from the initial fill. All things considered, putting the knowledge I've gained here into practice, my first few days have gone very smoothly. I'm curious as to...

Will the SWG (or any other kind of chlorination, i.e., bleach) also cause the TA to rise, or does it only affect pH? Is it safe to assume that once I get my TA under control, that barring a chemical addition to raise TA, or significant pool water replacement with my source (high TA) water, my TA...

1. Just to make sure I understand ... IF I don't need to backwash, it will eventually dissolve? 2. My builder is coming over sometime this week with a new pressure gauge for the filter. It has some water sitting in it after just a few days. He's going to replace it for us. He shouldn't need to...

One more question (for now) I got home today and my daughter informed me that when she got in the pool this afternoon, she went to check the CYA sock (this morning's sock with 2# in it. Apparently I had not tied the knot in the sock as well as I thought. There was an empty sock in the skimmer...

I've been re-reading Pool School now that we finally have the pool finished and filled. The chemistry is making much more sense now that I have moved out of the "conceptual" and into the "hands on" learning phase. One thing still puzzles me. I have a SWG and see where the water balance section...

Does the SWG come into play at all as far as pH is concerned? I know that the aeration provided by the SWG will increase pH. But does the chlorine generated by the SWG also cause the pH to rise? I guess what you're saying is to just stock up on MA. And follow the method in that link. Drop pH...

I'm just getting a new pool up and running (new construction, filled less than a week ago). Based on the well water we used, I knew TA and pH were going to be issues until I got them under control. I'm new to the whole pool care experience. But it's surprising me that I seem to be using a lot...

Just to update this. We have the pool in place and filled. Our pool installer added "some" CYA in a sock on Wednesday (7/9) once we were full and had the pump going. I wasn't there, so I don't know how much he did. He also shocked the pool on Friday while I was at work. SWG but he was trying to...

She has a SWG and as far as I am aware, uses that for chlorination and muriatic acid to maintain pH. I don't think she does much else. I've been trying to get her to take a look at this site. When I say "constantly fighting" I mean mostly after a heavy rain or needing to top off her pool water...