Hard water & SWG

Jul 6, 2017
20
Buckinghamshire, UK
Pool Size
50000
Surface
Vinyl
Chlorine
Salt Water Generator
SWG Type
Hayward Aqua Rite Pro (T-15)
Hello,

The local PB in my area recommended against using a SWG because of the hard water and them having had issues with recent installs and scaling on the plates. Getting a TF test kit is difficult in UK (I'll probably end up buying the Lovibond MD200 6 in 1 in due course) but for now I have the local waterboard figures and my own test from installing the water softner in the house (total hardness 390ppm) or water board figures 323 mg/l

Given the range suggested for a SWG up to 300ppm, I wondered if I could just dilute the water fill with some of the house softened water to get back within the range. I appreciate that might take a little time running through the water softner and regen cycles but will this work?

The other item from the waterboard figures I noticed is the Alkalinity at 331. Is this the same as total alkalinity? In which case I would need to aerate to lower?


112098

Thanks
 
If you can just use the softened water for any make up water you would be fine. By managing CSI, I keep my SWCG free from scale with CH of 1000 ppm.

You would need to aggressively lower your TA at fill and then continue to add acid to keep the TA lower. The water softener does not remove TA from the water.
 
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