Total v calcium hardness question

toddclare

Gold Supporter
Jun 23, 2024
69
Atlanta, GA
Pool Size
21000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Jandy Aquapure 1400
New pool with the pebble still curing. Pool
Company left me some test strips (I know…) that has Total hardness but not Calcium hardness. Have my TFP Pro kit ordered but not here yet 😱

Looking at the first 30 days chemistry from the Pebble company, it gives a Calcium hardness target. Wondering if there’s anything I can do to figure the Calcium from the Total in the interim? Saw some things about dividing total by 1.5 to estimate calcium but saw other things elsewhere and wanted to check with you all.

My Total is now at 120 (and if I do use that calculation my Calcium is 80. The pebble guidance says calcium should be 150-250.

Thanks everyone!
 
Wait until you get your proper test kit. Nothing will happen due to CH level in the interim.
 
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