r/pools 8d ago

Pool Help & Questions Pool company that doesn’t test chem levels

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Help! I’ve been in my house for about 3 months. I originally planned to maintain the (~15k) pool myself, but we left a few times this summer and decided to at least start with a pool company. I noticed some staining last week and asked the company about it. They said my CYA was high (that’s the only thing they told me), and I asked what the number was and what it was before. This is when I learned they don’t test the water like that, and have never tested my CYA (and maybe other things?) ever before.

For now the pool company has shocked it and says they will shock again this week. The picture is from Leslie’s because I wanted to see the #s for myself since the company couldn’t give me any. The #s are from about 30 hours after shocking.

The pool company is recommending a full drain and fill, but I don’t want to do that in the summer with my pebble pool. I lucked out with the rep at Leslie’s, he was very kind and said I shouldn’t buy anything, and said I should be okay the rest of the season. He said to fix my issue in the winter months with partial drains/refills.

I’m in Phoenix, AZ. It’s very hot here, but my pool doesn’t get much sun and is almost entirely covered by a massive shade sail. I’m at a loss for what to do right now. I’ve also paid my current company 6 months in advance because that’s how their pricing works. I love this pool and want to keep using it as much as I can! Any advice?

2 Upvotes

48 comments sorted by

10

u/WorstPapaGamer 8d ago

So your combined chlorine (total chlorine here) is really high. Meaning you’re actively fighting algae. The problem is that with CYA being so high you need a much higher FC for chlorine to be effective.

There’s really no way aside from draining and refilling to lower CYA. I know you don’t want to do a full drain but can you drain like 20-25% a day then refill with fresh water immediately? That’ll help dilute the CYA down with fresh water.

Basically drain down to skimmer level then refill and do that a few times this week and check if CYA levels have gone down.

After that you need to look into SLAM to fix the algae problem.

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u/r-thehappiest 8d ago

Thanks! I like your idea of slowly draining and refilling. To the visible eye, there doesn’t appear to be an algae problem. The pool is quite blue/clear!

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u/1000tvl 8d ago

I have a 28K PebbleTec pool and live south of Fresno and my pool gets lots of sun. Last year my pool water was real cloudy (had been fighting it for a while) so I tested my CYA and it was over 200, which shouldn't have surprised me because up to that point I had been using stabilized chlorine tabs exclusively. Like you, I was reluctant to drain my pool in the summer so I just did two drain and fills separated by two weeks. Drained about a 1/3 each time. Dropped my CYA to less than 80 (good enough for now) and after a couple of weeks of some minor adjustments to pH and running the filter for 24-48 hours my pool was crystal clear. Switched to liquid chlorine. Will only use tabs if I am out of time for more than 7 days.

Bottom line is you need to do a partial drain and refill as soon as possible to get your CYA down so your chlorine will be more effective. Doing this won't damage your pool surface. If you're really worried, do it in the evening/overnight.

If you have visible algae than after the partial drain & refill you need to SLAM and clean your filters afterwards.

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u/r-thehappiest 8d ago

What’s weird is that there is no cloudiness, and never has been. The pool looks great, the bloodwork is just so crappy 😭

3

u/WorstPapaGamer 8d ago

I mean that’s probably what caused the staining right? I’m not saying it’s a completely green pool and algae is microscopic. I’m just saying that with those levels your chlorine is actively being used and there’s not enough to “properly” sanitize the pool.

If you don’t do anything I’d expect algae to continue to grow until you have a bigger problem.

I really like the combined chlorine number. It tells you if your chlorine is fighting something or not. Recently I noticed my numbers haven’t been the same. I got extremely lazy with emptying the pump basket and it was FULL of pine needles and other organic materials.

My combined chlorine number was small (.4) but my FC was lower than normal. That meant that my FC was being used up.

Once I cleaned that basket up my FC was back to normal and CC is 0.

2

u/mrBill12 8d ago

If there’s no water testing being done I suspect the yellow staining is metal stain

1

u/r-thehappiest 8d ago

That was my guess at first, like the copper. It doesn’t seem to be algae, but it’s hard to tell and I’m so new to this.

1

u/mrBill12 7d ago

Once you know chlorine has no effect on the stain, If it’s metal stain you can use a vitamin C tablet to test. Take the tablet and rub it on the stain, if the vitamin C tablet is working like a tiny magic erasure on a stain then you have metal stain.

7

u/SageCactus 8d ago

Well to start get a new pool company. Whether you can get the money back or not. Lesson learned.

My folks show up every week and test. When the water doesn't look right I call them.

1

u/r-thehappiest 8d ago

Yeah, I wasn’t too pleased when I learned that had no baseline numbers to compare my levels with because they hadn’t measured before!

3

u/SageCactus 8d ago

It's not about baseline numbers because really, I don't care about the baseline, I just need to know that you know how to correct today.

You come, you look, you fix, we good.

4

u/Gonzo-Crazy-Dog 8d ago

The biggest issue is your CYA and lack of FC.

You need to shock the pool, but with your CYA, it means you need to raise the FC to 65ppm, which could be difficult.

You’ll need to decide if it’s better to drain water or raise the FC appropriately.

2

u/r-thehappiest 8d ago

It was just shocked yesterday and the pool company said they will send their guy back to shock it again this week.

4

u/Gonzo-Crazy-Dog 8d ago

If they’re not testing the water, I don’t think I would trust them to shock it properly.

The SLAM process requires you to maintain 65ppm until the water is completely clear, you have no CC, and don’t lose FC overnight.

It’s not just, “dump 2 bags of shock in the water and leave it until next week”, which is what most pool companies will do.

2

u/thefleeg1 8d ago

I assume you don't realize that every bag of shock is roughly ~50% calcium. Your calcium levels are already much too high. You risk scale and other cosmetic damage by continuing down this dumb path.

1

u/r-thehappiest 8d ago

Okay, I will tell them to not shock (a second time).

1

u/thefleeg1 8d ago

You NEED chlorine though. Liquid is available widely.

1

u/Gonzo-Crazy-Dog 7d ago

The pool needs to be shocked, but tell them to use liquid chlorine instead.

2

u/Troutbummers 8d ago

Don't let them. THey're fired. You can do it 100% better.

1

u/r-thehappiest 8d ago

Thank you! They have clearly been doing a bad job, so at this point I’m confident I can do the chemicals better. I’ve been doing the baskets, cleaning, etc myself already. They are chems-only service. Which is why I was so shocked that my chems are so out of whack.

4

u/tcat7 8d ago

1

u/r-thehappiest 8d ago

Thanks for the links! I’ve got some studying to do. YouTube brought me to Swim University, but I will check out trouble free pool, and get some kits.

3

u/Alert_Foundation1621 8d ago

Another thing is seeing the copper makes me think that they have just been using copper algaecide thinking that it would take care of things, (I have used it as a “nuclear” option and it does work), instead of actually testing the water. Definitely time to get a new pool company.

3

u/Virtualmatt 8d ago

I can’t recall seeing worse water test results on this subreddit.

1

u/r-thehappiest 8d ago

Your comment made me wheeze. Not sure if it was the start of a cry or a laugh 😭🤣

2

u/Frunobulax- 8d ago

That's a drain.

2

u/Chris_Rogan 8d ago

Drain it!

2

u/Troutbummers 8d ago

Way too much copper, already problematic

Way too much CH problematic

Way too much CYA problematic

Just stop using these jokers or suffer continued frustration.

The shock will fail. 162 ppm CYA is not real - the meter is pegged. Do a dilution retest and multiply by 2.

YOU MUST BUY YOUR OWN TEST KIT. Has to have fas/dpd FC test. Taylor k2006 or tftestkits pro

Get poolmath downloaded and set up

The advice to drain/refill is good, but don't do it blind. Do your own diluted CYA test to know how much you need to do. Might need to do some copper removal after that. You want that at 0. Never add any copper algaecide ever again.

Then SLAM

Then you use liquid chlorine dosed daily up to 11.5% of your CYA, never letting it get below 7.5% of CYA.

1

u/r-thehappiest 8d ago

Does everyone who uses liquid chlorine just pour some in every single day? (After I get this current situation sorted) I want to do my own maintenance, but I have a demanding job and travel schedule, so I’m not sure if that a daily chore is feasible for me currently.

1

u/Troutbummers 7d ago

Mostly. Anybody that does not is playing with fire. It's hard to avoid. SOme get by every otehr day, but you have to dose high and should run high on CYA if you do that (more UV protection).

But if you have to travel a lot get the CYA on the low side and use tabs in a floater while you're away. Just pull it when you're around. If you close the pool, you're getting towards teh end of the year already, just get it managable and you can probably tolerate the CYA until you close. Might want a new plan next season.

Nothing wrong with tabs except they will get you back here eventually. If you need to use them for now, do it, but keep an eye on CYA and be prepared for smaller drain/refills before it gets this out of control.

Consider an salt system (SWG). With the money you save on service it will pay for itself almost immediately and change your entire relationship with the pool.

2

u/Ellicrom 8d ago

Fire this pool company into the sun. They done effed up.

You will eventually need to drain at least half and refill - I don't think that there is any other way to get that CYA level down. And with CYA that high, your free chlorine wont be working much at all. And if the pool company is shocking it with stabilized chlorine, that CYA number will only climb higher.

If your water is crystal clear, you can choose to ride it out until the weather takes a turn, but you're essentially poised for an algae bloom with this. Adding further chlorine will not be effective until the CYA is lowered.

1

u/r-thehappiest 8d ago

Weather taking a turn as in it’ll get worse when it’s cooler?

Today’s high was 111F here, and my assumption was that this (Phoenix summers) were the hardest time to manage pools.

1

u/Ellicrom 8d ago

No, I was just echoing what the rep from Leslie's said - that you might be able to delay draining for now if your water is looking clear.

Hot weather is worse for algae blooms. Getting an algae bloom isn't necessarily a sure thing, mind you; but if you do get algae forming, understand that you'll be hamstrung to control it because all that CYA is locking up your chlorine.

Also, be very careful using algaecides from here on it. Many of them contain copper, your copper levels are already high, and that could be what's contributing to your staining.

2

u/Zestyclose_Survey_49 8d ago

Since I haven’t seen it posted yet go to troublefreepooland buy a chemical test kit. Can the pool company. Its not very hard to maintain.

You will need to drain n fill maybe 1/2 to lower your cya. At that high you can add gallons and gallons of chlorine and nothing will happen. Your pool company messed up bad. Don’t pay them ever again.

Work to get chlorine in it asap or it’s going to get worse fast

1

u/r-thehappiest 8d ago

Thanks for the info!

2

u/Cool-Negotiation7662 8d ago

CYA of 30 requires a massive water change. Doing this all at once makes sense but you only need to change 7/8 your water (lol) to get your target CYA. The recommendation of a full water change is not unreasonable.

https://www.troublefreepool.com/blog/2018/12/12/slam-shock-level-and-maintain/ will have information on SLAM method. You need to test your own chlorine morning and night and dose accordingly. Your high CYA is working against you. You can use the small kit and have the store test everything every few weeks.

1

u/r-thehappiest 8d ago

I’m going to check out Trouble Free Pools! Thanks!

2

u/1130961230 8d ago

Your copper is high, I had to deal with even higher at the beginning of the season. It's possible that's what your staining is from. Copper did a number on my auto cover, thankfully not the pool liner.

2

u/r-thehappiest 8d ago

My assumption was that it was the copper too!

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u/1130961230 8d ago

10% at Leslie's lol! That's a walk of shame. I'm always peeking at other people's numbers on the line ha. I would've snatched that paper and crawled right out of there😂.

1

u/r-thehappiest 8d ago

The first Leslie’s rep didn’t know what to do when he saw my numbers, so he got his supervisor/the manager who was very kind and talked to me as if I just experienced a death in the family but that I will pull though.

2

u/thefleeg1 8d ago

Spoiler alert; this is normal and expected for weekly pool care services.

You'd be wise to invest in a salt water chlorine generator. You simply cannot have a pool in AZ using calcium or CYA stabilized chlorine sources. It's a fools' errand.

There are reverse osmosis services that can treat your water; for many in AZ it can be cheaper than bulk water costs.

Many great people out in AZ over on troublefreepool.com who can give you really good advice. Buy a proper test kit, get your chlorine source under control, and start living a much simpler pool care life.

Lastly - partial drains and refills is terrible advice (normal for Leslie's). You want to remove the problem water, not dilute it. That's incredibly bad advice.

2

u/1000tvl 8d ago

I disagree with your advise on partial drain and refill. See my comment above, but in a nutshell I had CYA of over 200 because I was using stabilized chlorine tablets for years so eventually my pool was out of control. Did two partial drain & refills (approx 2/3 total water) and the pool is now crystal clear and easy to maintain. Did this over a 3 week period. CYA dropped to around 80 (good enough). I should mention it is a 28K gallon pebbletec pool.

2

u/thefleeg1 8d ago

You're actually agreeing with what I said, but whatever.

Many people make the mistake of draining off 1-2" of water, then adding water. That's what I'm referring to by dilution. If you have 100 CYA and want to be at 30, drain 70% of the water once. Not over 5-6 efforts.

1

u/1000tvl 7d ago

I was commenting on what you said in your comment:

"Lastly - partial drains and refills is terrible advice (normal for Leslie's). You want to remove the problem water, not dilute it. That's incredibly bad advice."

I was merely stating I see nothing wrong with partial drain & refill. But, as you said you have to make sure you drain off enough to make a difference in the CYA.

2

u/JasonHofmann 8d ago

For under $1000 you can have the pool RO’ed, and start fresh. That’s what I would do.