Low calcium hardness

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Csing

New member
Aug 6, 2022
2
Houston, Tx
Pool Size
6000
Surface
Fiberglass
Chlorine
Salt Water Generator
SWG Type
Hayward Aqua Rite (T-9)
I’m a new pool owner and after 4 months still haven’t had pool school . I’m trying my best to learn how to get my pool balanced .
Right now my calcium hardness is at 65 ( per Leslie’s ) I have a small 6000 gal fiberglass pool . I’ve been told the calcium level won’t matter in a fiberglass pool , but wondering if that’s true . Today I have about 3 hard pieces of white in my pool will attach pictures.
 

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Csing said:
I’ve been told the calcium level won’t matter in a fiberglass pool , but wondering if that’s true .
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As long as you don't have a waterline tile, then basically that is true. However you'll see TFP has a recommended CH level of 250 for FG to cover a variety of scenarios (i.e. help prevent staining, waterline tile, auxiliary equipment). How are you testing your water? It's possible that those are scale chunks that fell out of your SWG cell. A bit soon after only 4 months, but who knows. Test by pouring some vinegar on them. You should be testing your water with a TF-100 or Taylor K-2006C test kit. In addition, using a Taylor K-1766 salt test kit. Proper water testing is extremely helpful in making your pool life more enjoyable.

Be sure to visit our Pool Care Basics page for more info. Welcome to TFP! :wave:
 
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