PH high after rain

Envieddesigns

Well-known member
Apr 27, 2021
69
New Jersey
Pool Size
23000
Surface
Plaster
Chlorine
Liquid Chlorine
Good day to all,

I know after rain the PH is expected to take a swing -/+. Mine went up to 8.2 from 7.8 since yesterday after some rains.
My question, do I dose to lower my PH keeping in mind that
1. I have to top off my pools water level and
2. More rain expected throughout the day today.
Should I just top off wait for the rains and recheck levels tonight or tomorrow?

today’s results
FC 4.5
CC 0.5
PH 8.2
TA 140
CSI 0.91
CYA 40 (tested yesterday)
Temp 85
 

mknauss

Mod Squad
TFP Expert
Bronze Supporter
May 3, 2014
44,888
Laughlin, NV
Pool Size
6000
Surface
Fiberglass
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
I would add some acid today as your CH must be fairly high if you are getting a CSI of nearly 1. Scaling is possible.

EDIT - checked your Poolmath Logs. CH 0f 350 is fine. Your higher TA and elevated water temperature are pushing the CSI higher.
 
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