Green water

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K

Kelli2

Well-known member
May 26, 2020
58
Pennsylvania
Pool Size
4500
Surface
Vinyl
Chlorine
Salt Water Generator
SWG Type
Intex Krystal Clear
FC 4
TA 50
CYA 70
Salt 3200
CH 20
pH 7.4

This is a new one for me.
Haven’t used pool in a week. Husband took cover off today to vaccume and water was clear. As soon as he started to vacuum it turned green. My levels look good so not sure what the issue is?
 

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I added 128 oz of chlorine an hour ago to bring it to SLAM level. The pool was green but all other results were good so I thought I should try slamming. I just checked the FC level an hour after adding the recommended chlorine and that is where the 22 came from. Prior to the chlorine addition my FC was 4, not 40, that is a typo
 
MITBeta said:
So it was green before you added the chlorine?
Click to expand...
Yes, it was clear, then we vacuumed and it instantly turned green. That’s when I checked the levels and saw they were okay but since it turned green thought I should slam? So I used my pool math app to find appropriate chlorine addition
 
FC dropped from 22 last night to 19 this morning. Water was clear, then I vacuumed and it got cloudy with a super light green tint. I am continuing the SLAM this morning and bringing the FC to 28 (as recommended through the app). Still CC is 0. So I just keep SLAM until the ONLT passes? Never had algae before, this is new 😔
 

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