CSI Index Fibreglass Pool

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lukeyluke

Bronze Supporter
Jan 8, 2019
13
Australia
#1
Hi everyone

Got our 1 Year old Fibreglass pool running great at the moment, thanks to the wonderful resource this website is!

But I have a question regarding CSI, it's sitting at -0.82

I have confirmed with my fibreglass pool manufacturer that there is no calcium in the gelcoat or filler, so not sure I need to be too concerned but wanted to double check.

Here's my numbers

PH: 7.4
FC: 5
CC: 0-0.5
TA: 80
CH: 150
CYA: 60
TEMP: 25c

Leisure Pools suggest a CH of no more than 120

Would love everyone's feedback

Cheers Luke
 
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