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Yes. I am vacuuming to waste every other day. It is an apartment complex pool. I had the CYA at a perfect 30 ish, then the pool company came to open it, which is something I was already working on. The property manager relayed we drained down the pool and replaced a lot of water... Anyway...

While 26 is a touch low, it is better to be a little low than high. Your method to raise it with TriChlor is very good being 30 is a good place to be and you are already close I wouldn’t add CYA. Even if you overshoot to 40 or 50, you are still in the zone. 40 is probably the best place to...

Good Morning: Talked with our supplier today, and he can get us only 4 bottles of sodium hypochlorite this month. We have a budget of $150 per month for that pool. We have one pool at the complex at 100 ppm CYA. The other pool is at 30 CYA and chlorinated with TriChlor pucks, so it is not a...

I would also make sure your reagents are not expired for testing CYA because unless a lot of water was replaced from closing to opening this year perhaps the reagent is not making it cloudy enough to properly register all of it. CYA doesn’t disappear.

We actually did a CPO class a few years ago, and ironically most of it was measuring the size of pool and doing the math for adding chemicals. For example if 5 oz of XYZ-Chlorine is required to raise the Free Chlorine by 1 ppm for a 10,000 gallon pool, how much is required to raise the Free...

Thank you! This is very helpful information. I think right now it is right at 100 ppm, which is a LOT!

Okay.... I am vacuuming every day like we normally do... and like leaving the vacuum unattended for a couple hours to waste while I do early morning work orders. There is a system to automatically fill the pool when the level drops. We have the automatic chlorinator turned down to the...

I work for an apartment complex as a maintenance tech. We have Two pools in SC, and the Property manager okayed opening one pool for limited use, so I skimmed it, backwashed the filter and vacuumed to waste even though it is nasty water. At any rate there is some algae in that the water is...

Thanks Marian. I was looking at Pool Math and it actually says Dichlor will lower my pH even further, which is a bit scary. To be honest my comparitor goes down to 7.0 on the pH scale, and I am guessing 6.8. I don't have any Borax, but I have a whole 5 Gal Blucket of Soda Ash the pool store...

Also, I read that sometimes SWG read wrong when they are dirty and full of scale. You might want to read the manual about cleaning the generator, but usually it involves some sort of acid bath.

Good Day, A friend of mine just replaced his Vinyl liner, and we filled it with water. It holds a mere 7,000 gallons. Right now the pH is at 6.8, Chlorine 1, Combined Chlorine 0, Alkalinity 50, CYA 0, and Calcium 110. Being this is basically a plastic pool, the calcium does not matter...

Acid will lower your TA a bit too.... But it is a false low because as the PH creeps up the TA will too. That said your TA is perfect at 70 right now. When done fixing your PH test your Alkalinity... You might need a little backing soda, but target 70 again.

He is kind of old school... Their first certified pool operator, but he doesn't go on the Internet really. He told me the last maintenance guy got fired over the pool turning green and s couple other things... But that management expects the pool to open, be clear, and it to pass any health...

They are open year around but realistically people stop swimming mid November. He requested 3 days but management gave him a 48 hour maintenance window. They sent notices to 315 apartment units notifying of the upcoming pool maintenance. I told him to buy the FAS-DPD test reagents and the...

Friend of mine is running an apartment pool, which is a sparkling oasis... That said he knows he needs to drain some water because the CYA is high (slightly over 100). It is 70000 gallons and chlorinated with Trichlor pucks on two feeders. Two sand filters run 24/7. It gets Backwashed once...

I just got my 2006 test kit. I have NEVER tested chlorine with the drop test before, but I like it a LOT more. I don't even have to mess around matching colors! It is so much nicer.

Honestly, I don't know the specs of my pool, but I know it is plaster, and the filter has written on it with a Sharpie, 14,000 gallons, so I presume that is the size of the pool

Got my Taylor kit. The chlorine test show 0 Free Chlorine and 1 ppm combined. My TA is 60 (know know how the pool store told me 0 as did my test strip) Calcium is 120 CYA is somewhere between the 30 and 40 where I add more and it gets closer to 30 before disappearing. Leslie's said I needed...

Although this is generic (i.e. not Taylor brand), it will work right with my Taylor kit right? TFTestkits.net As for the CYA, I can't imagine doing that test more than maybe twice a week, and I have a brand-new, full bottle on the way in my Taylor kit 2006A kit. I would imagine being how...

Right that has been said, but for everyday use With the right comparer DPD can test up to 10 ppm... Presuming your pool is well balanced the chlorine should not be outside the range of the comparer except when doing a SLAM or maybe after closing for the winter ... never seen s scale for OTO...

I got the A one... The C was $100, which is a lot. Which reagents do I need refills on?

First, I want to Thank the TFP community for educating me with Pool School. I learned more reading hours of posts and reading the Pool School articles than I have EVER learned in all my years of pool care put together. I always thought before coming here: Chlorine should be 3 ppm (ideal)...

I ordered the Taylor 2006 test kit for about $60 on Amazon. I should get it later this week. I will add some Alkalinity Up and remeasure with my test strips tomorrow.

I don't have any baking soda, but according to Pool School it will raise my TA (Toatal Alkalinity). I do have Leslie's Alkalinity Up... Should I add some of that?

PH is 6.6 and TA is about 50. I have not started the SLAM yet

I went swimming last night in my pool, and I think something is terribly wrong with the water. My eyes started itching horribly last night and worse this morning. This happened to my eyes. Instead of rubbing, I ended up going to my eye Doctor today because I could not stand it any-longer...

I never thought it was that complicated, but I am glad we have some good pool experts on here. I think what everybody wants to know most of all is what is your Free Chlorine, Combined Chlorine, and CYA levels. I honestly doubt your CYA levels are a at a baseline of 0 unless you have been...

I tend to agree this may be something other than chlorine (i.e. chloroform). Exposure to chlorine usually yields other symptoms: coughing, burning eyes, irritated nasal passages, skin irritation/burns/blistering/redness, stomach or abdominal pain/vomiting. It may be a combination of other...

OMG... I just started reading all that Pool School stuff... It blows my mind what I don't know. I now understand why when I was a kid and my parents had a pool it was always green. It was probably way over stabilized! The pool store says my Cyan Acid is at 20. That means I need a minimum of...

I went back to a different Leslie Pool store today for a water test and to look at their test kits. They told me I should only need to test chlorine from 1 to 5 ppm for a residential pool and that anything beyond 10 is not necessary. I did not buy one of their kits. Here is what their test...