New to SWG- Question regarding balancing

[atripodi24]

Hi all!

We recently installed a SWG system for our pool, and we just opened the pool today. I know we need to balance everything first and then add some liquid chlorine before we add the salt and get the SWG going.

At opening these were my levels:
FC- 0
PH- 6.8
TA- 40
CYA- 30

I have sodium carbonate to raise the PH, is that still ok to use with the SWG?

 

[Mdragger88]

Yes - are u sure it’s sodium carbonate & not sodium bicarbonate?
Sodium Carbonate should increase ph & ta -
Looks like you need about 3#’s

 

[Mdragger88]

For future reference

 

[atripodi24]

Yes, it's for sure sodium carbonate. So I should be good with just that and not also adding sodium bicarbonate too to raise the TA?

 

[Mdragger88]

You can re test afterwards & see where it lands u then add a little baking soda if necessary.
Many people w/ swg’s (including myself) keep ta around 50-60 to inhibit ph rise.

Since your fc was zero you might wanna do an Overnight Chlorine Loss Test at target level for your current cya to rule out organics before raising cya to swg levels.