Particles suspended in water. Can especially them see at night with light on.

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Ed Blown Vert

Member
Jul 9, 2023
22
Arizona
Pool Size
11000
Surface
Plaster
Chlorine
Liquid Chlorine
So been slowly learning and taking over some of the maintenance from my pool guy.
I notice particles always floating in the pool. I mainly run my pump on low for about 8-9 hours during the day
But it never seems to go away. I thought that a DE filter would get most of it.
 
One breezy day dumps enough crud that takes days and days to catch. In that time, it was breezy again and it seems like it's the original flakes.

It's worse in the spring and fall, where we have seasons.
 
Doesn't get too windy here. But when it does look out.
So I expect it will take days to clear up even with DE.
Would running the pump on high help? I heard that running it on low filters better.
 
Ed Blown Vert said:
Would running the pump on high help? I heard that running it on low filters better.
Click to expand...
Welp. We may bicker about that until the end of time. More RPM is more flow through the filter, which you need. But it's also more mixing so less old water makes it through the filter. 🤷‍♂️


I'm on team low-n-slow for what it's worth.
 
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How important is it to you? Run on full speed 24/7 and you might make a dent in the amount of debris but your wallet will certainly suffer.

But I would try low speed 24/7 first and see if things improve.
 
Pump was only configured for one speed when I first bought the house. Running it for hours did make a big dent on the wallet.
Once I found the switch and wired it for 2 speeds, I have been running it on low. Unless I am running my In-Floor System.

I just thought that DE filters filter the best, and I should see very clear water.
Didn't know if there was else something wrong. I guess I won't worry about it too much.
 
It is really about turnover and how much water passes through the filter through each turnover. It is really a losing battle and not worth the energy to try and capture.

Turnover of 100% Cannot be Achieved​

Pools have very poor hydraulic efficiency and so even when you run multiple turnovers, the pool equipment does not "See" all of the water. Even if you assumed "perfect" mixing of the pool water, you would see the following dilutions:[1][2]

  • 1 turnover: 63.2%
  • 2 turnovers: 86.5%
  • 3 turnovers: 95.0%
  • 4 turnovers: 98.2%
  • 5 turnovers: 99.3%
  • 6 turnovers: 99.75%
  • 7 turnovers: 99.91%
  • 8 turnovers: 99.966%
  • 9 turnovers: 99.988%
  • 10 turnovers: 99.995%

Turnover of Pool Water - Further Reading

www.troublefreepool.com www.troublefreepool.com
 
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Ed Blown Vert said:
I just thought that DE filters filter the best
Click to expand...
It's nothing but bragging rights. Sand filters capture everything far below what the eye can see. You are easily seeing large particles so that's not the problem. It's the constant supply being added that's the problem. :)
 
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mas985 said:
It is really about turnover and how much water passes through the filter through each turnover. It is really a losing battle and not worth the energy to try and capture.

Turnover of 100% Cannot be Achieved​

Pools have very poor hydraulic efficiency and so even when you run multiple turnovers, the pool equipment does not "See" all of the water. Even if you assumed "perfect" mixing of the pool water, you would see the following dilutions:[1][2]

Turnover of Pool Water - Further Reading

www.troublefreepool.com www.troublefreepool.com
Click to expand...

I missed this article. Thanks, not even going to worry about it.
 

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Continued use of DiChlor is going to raise you CYA - use liquid chlorine instead.
Continued use of dry acid will add sulfates - use muriatic acid instead.

Looking at your PoolMath logs, you are allowing your FC to drop too low and should be keeping your FC at the top of the target range. As out temps heat up, you will use 4 ppm or more FC per day.
FC/CYA Levels

A 2 speed pump runs at 3450 rpm on high speed and 1725 rpm on low speed.
Low speed usually uses less than 1/4 the electricity as high speed does.

Add your test kit to your signature.

Where in AZ are you?
 
Just purchased a Taylor K-2006 and working on testing myself. (Just tested again)
I am not ready to touch liquids yet. I am going to see if my pool guy will manage that.

I chose DiChlor by mistake. I am using Hypo
After reading all the info on the site. I didn't realize my FC were low. That's why I don't go to Leslies as much.

I am in Yuma, AZ
 
Do not use cal hypo. Your fill water is high in calcium. The last thing you need is to add calcium.
 
Typical pool services here in the Colorado river area that use pucks, etc will tell you they must drain the pool twice each year. Normally April and September. This is how they solve the CYA and CH build up.

You have an evaporation cooler on your pool so your fill water use is very high. Only way to combat it is to use softened water for make up.
 
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mknauss said:
Typical pool services here in the Colorado river area that use pucks, etc will tell you they must drain the pool twice each year. Normally April and September. This is how they solve the CYA and CH build up.

You have an evaporation cooler on your pool so your fill water use is very high. Only way to combat it is to use softened water for make up.
Click to expand...
I think if I have to deal with CH and CYA, might as well just drain. I did it a 50% myself a few months ago and it wasn't that bad. And twice a year is nothing.
No wonder why my ATO is always running. ;)
 
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