Clear but cloudy

cknaperek

Member
Sep 17, 2023
21
SE Connecticut
Pool Size
15000
Surface
Vinyl
Chlorine
Liquid Chlorine
I have been SLAM'ing my pool for like 2 weeks. Definitely got the green cleared up, but its still cloudy, and has been for quite a few days. Should I keep SLAM'ing till it's crystal clear, or should I go ahead and close it up for the winter?
 

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Should I keep SLAM'ing till it's crystal clear, or should I go ahead and close it up for the winter?
Ideally, weather and schedule permitting, see it through until you pass all 3 SLAM criteria. At the very least hopefully pass an Overnight Chlorine Loss Test. Then you can wrap it up for the season.
 
I see you have puck floaters in there. Pucks add cya which continually raises the bar for your necessary fc levels for slam & maintenance
FC/CYA Levels.
Here’s what each dissolved puck does in your pool
IMG_7876.png
Be sure you are factoring that in & dosing accordingly.
If cya measures between two values always round up for chlorination purposes.
Long /extended slams are usually a result of one or more of these:
*Infrequent maintenance of slam level
*Insufficient slam level
*hidden algae that isn’t being disturbed
With no steps or other attributes & daily brushing/vacumming it’s unlikely that you have hidden algae.
Sand filters are the slowest to clear but before solely blaming filtration be sure the other two bases above are covered.
Aside from trying the pool grade DE.
A deep clean of the sand may be helpful if you have never done so or have used pool store potions in the past. It’s something that should be done every season or so anyway as maintenance.
 
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I see you have puck floaters in there. Pucks add cya which continually raises the bar for your necessary fc levels for slam & maintenance
FC/CYA Levels.
Here’s what each dissolved puck does in your pool
View attachment 535412
Be sure you are factoring that in & dosing accordingly.
If cya measures between two values always round up for chlorination purposes.
Long /extended slams are usually a result of one or more of these:
*Infrequent maintenance of slam level
*Insufficient slam level
*hidden algae that isn’t being disturbed
With no steps or other attributes & daily brushing/vacumming it’s unlikely that you have hidden algae.
Sand filters are the slowest to clear but before solely blaming filtration be sure the other two bases above are covered.
Aside from trying the pool grade DE.
A deep clean of the sand may be helpful if you have never done so or have used pool store potions in the past. It’s something that should be done every season or so anyway as maintenance.
I actually do not have any tablets in there they are just floating empty right now, but I did not know until just recently that it raised the cya. That was definitely a problem with my water chemistry earlier. I had to drain the pool down twice to get it in a reasonable range to slam.
 
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Also, have u been passing the
Overnight Chlorine Loss Test? If so then helping the filter out should get you going. Keep with slam until you get all 3 criteria. Don’t forget to clean your bot too!
My free chlorine was pretty stable overnight last night, had a 24 this morning, and have been backwashing sand filter morning and night. Also making sure bot is cleaned off. Just waiting on the crystal clear water. It is improving, just very very slowly. Slightly cloudy, but I can see the robot at the bottom of the pool a little better each day.
 
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