Good plan. I would aim the return to not break the surface.
Do you want the constant spa spillover? Do you have automation?
Here’s my testing numbers from tonight. This is after a few hours of about 10 adults and 6 toddlers in the pool. I have my other recent results below that including what I did today with the acid.
My FC did come down a bit due people being in the pool but I suspect that’s ok that my SWG didn’t quite keep up given I could probably stand to come down a bit anyways. CYA is holding steady, but I’ll wait until the end of the week to add more if it doesn’t come up further.
Anything else I should be doing in the meantime
@mknauss? Should I worry about salt or calcium hardness yet? Or just wait until pH hits 8 again and bring back down to 7.4 with acid to work on TA letting the other stuff sit in the meantime?
Also, my pool water level is maybe a couple of centimeters below the middle of the tiles now. How critical is it to fill just for those centimeters?
------------------------------------------
Test Results 05-27-2019 @ 09:45 PM
------------------------------------------
Free Chlorine: 6.0
Combined Chlorine: 1.0
pH: 7.5
Total Alkalinity: 110
Calcium Hardness: 250
CYA: 50
Salt: 2800
Temperature: 86°F
CSI: -0.15
------------------------------------------
Test Results 05-27-2019 @ 02:31 PM
------------------------------------------
pH: 7.4
CSI: -0.21
------------------------------------------
Test Results 05-27-2019 @ 01:09 PM
------------------------------------------
Free Chlorine: 8.0
Combined Chlorine: 0.5
pH: 7.7
CSI: 0.08
------------------------------------------
Chemical Addition 05-27-2019 @ 01:09 PM
------------------------------------------
+ 28 FluidOunces of Baume31
------------------------------------------
Chemical Addition 05-27-2019 @ 11:38 AM
------------------------------------------
+ 32 FluidOunces of Baume31
------------------------------------------
Test Results 05-26-2019 @ 09:07 PM
------------------------------------------
Free Chlorine: 8.0
Combined Chlorine: 0.5
pH: 8.0
Total Alkalinity: 120
Calcium Hardness: 250
CYA: 50
Salt: 2800
Temperature: 86°F
CSI: 0.38
------------------------------------------
Test Results 05-25-2019 @ 12:12 PM
------------------------------------------
Free Chlorine: 16.0
Combined Chlorine: 0.0
pH: 8.2
Total Alkalinity: 140
Calcium Hardness: 275
CYA: 50
Salt: 2600
Temperature: 85°F
CSI: 0.69
------------------------------------------
Test Results 05-25-2019 @ 08:09 AM
------------------------------------------
Free Chlorine: 0.0
Combined Chlorine: 0.0
pH: 7.6
Total Alkalinity: 120
Calcium Hardness: 240
CYA: 10
Salt: 2600
Temperature: 80°F
CSI: -0.03
------------------------------------------
Test Results 05-24-2019 @ 04:56 PM
------------------------------------------
Free Chlorine: 3.0
Combined Chlorine: 3.0
pH: 7.4
Total Alkalinity: 90
CYA: 40
Salt: 3000
Temperature: 80°F
CSI: -0.41