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Question for pool owners
Posted on 8/21/21 at 9:46 am
Posted on 8/21/21 at 9:46 am
I'm a fairly new pool owner (a couple of months) and have been maintaining everything myself. While the water is always clear and blue, I've been noticing green appearing on the plaster, mainly the stairs and walls (floor is fine, we run an automatic cleaner every 2 days or so). Pool chemicals seem fine, and chlorine is within the preferred range.
My question is, is the green normal? Or is there something else I can do to prevent that? It comes off very easy with some brush scrubbing, but I feel like I'm scrubbing every 2 days or so. So just curious of this is standard or is there something more I need to look for in my chemical tests. TIA
My question is, is the green normal? Or is there something else I can do to prevent that? It comes off very easy with some brush scrubbing, but I feel like I'm scrubbing every 2 days or so. So just curious of this is standard or is there something more I need to look for in my chemical tests. TIA
6
Posted on 8/21/21 at 9:50 am to Htown Tiger
that seems odd if your chlorine is good. I wonder if its copper or some other metal? Maybe add some algaecide and see if it goes away
Posted on 8/21/21 at 10:02 am to Htown Tiger
Need to know chlorine levels in relation to cya. You may have too much cya nullifying your chlorine.
Posted on 8/21/21 at 10:18 am to Htown Tiger
Is it algae? Are your test accurate on the chlorine and such?
Posted on 8/21/21 at 10:24 am to Htown Tiger
Are you getting rain daily???
Rain water cause this to pop up and become pesky… usually where your water is warmer… like steps.
Rain water cause this to pop up and become pesky… usually where your water is warmer… like steps.
Posted on 8/21/21 at 10:26 am to mtcheral
quote:
Need to know chlorine levels in relation to cya. You may have too much cya nullifying your chlorine.
This could be it. Used a test strip (normally use the chemicals but mine doesn't have a cya tester) and it comes out to about 100. Ironically, the test strip kit says 30-100 is ideal, but most places online say that's too high. I may need to dilute the water.
Posted on 8/21/21 at 10:27 am to 24nights
quote:
Is it algae? Are your test accurate on the chlorine and such?
Yeah pretty sure it's algae. I think the tests are accurate, I use both chemicals and sometimes strips and they both come out good.
Posted on 8/21/21 at 10:28 am to Thecoz
quote:
Are you getting rain daily???
Not daily, but we did just have a few days here in Houston with some heavy rains. Should be clear for the next few days, so will keep an eye on whether it continues.
Posted on 8/21/21 at 10:47 am to Htown Tiger
Scrub all the walls/steps and put algaecide in it, follow directions closely, too much and the pool will be cloudy. Backwash very well after treatment.
Posted on 8/21/21 at 10:59 am to Htown Tiger
Bring a water sample to a pool supply store. They usually test for free. I get mine tested every 3 weeks or sooner if there’s been a lot of rain.
Find one you can trust because one place screwed my pool up bad.
Find one you can trust because one place screwed my pool up bad.
Posted on 8/21/21 at 11:32 am to Htown Tiger
CYA of 100 is really high. I would waste a good bit of water, refill, bring chlorine up to slam level and spend next few days balancing the chemicals.
Definitely don't wanna deal with a runaway algae problem.
Could also get some algaecide in order to be extra safe, but SLAM and getting CYA/TA/FC/Ph to the right levels should do it.
Definitely don't wanna deal with a runaway algae problem.
Could also get some algaecide in order to be extra safe, but SLAM and getting CYA/TA/FC/Ph to the right levels should do it.
Posted on 8/21/21 at 11:36 am to Htown Tiger
You need to figure that for sure. If cya is 100 you need a LOT of chlorine to make up for that. My cya is 50 and I have to keep chlorine levels about 6. Google cya/ chlorine chart or better yet look up troublefreepool.com and get your own good test kit. It’s easy to do and much better than pool store for accuracy. Strips don’t work well.
Posted on 8/21/21 at 12:57 pm to mtcheral
quote:
cya nullifying your chlorine.
This. But, you may just need to shock it and brush the walls/steps. The algae can build up a slime that protects it from regular chlorine levels.
Pro tip: Copper algaecide is your friend, as long as you don't over do it.
Posted on 8/21/21 at 4:02 pm to SlackMaster
Appreciate all the responses. I think I need to drain some and refill and get the cya back into tolerable limits. May look into the algaecide as well. Appreciate all the feedback.
Posted on 8/21/21 at 4:14 pm to Htown Tiger
Get the water tested at the pool store and put what they tell you. Makes it much easier.
Posted on 8/21/21 at 4:30 pm to Htown Tiger
quote:
drain some and refill and get the cya back into tolerable limits
Good plan.
And note that not all algaecide is the same. I find the quaternary kind works okay, but not great. Avoid all the enzyme products such as Phosphore (or however you spell it). These are a total waste of money. Cooper-based are the best but DO NOT put more than the direction call for because it will come out of solution and stain your walls, steps, etc.
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