Overnight Bromine Loss Test?

irekz

Member
May 12, 2020
17
UK
Hi everyone.

Friends of mine have a bromine hot tub and I was discussing TFP method with them.
They will be doing an ahhsome purge soon, but I wonder about Overnigh Bromine Loss Test.
In chlorine tub - 25% loss over 24h is considered a very good result.
Would 25% be also expected in very clean bromine tub (covered, at 90F, no ozone/UV - we will disconnect that)?

Cheers!
Irek
 

cowboycasey

Gold Supporter
LifeTime Supporter
TFP Guide
Jul 3, 2013
8,512
Southern OK
Pool Size
15000
Surface
Vinyl
Chlorine
Salt Water Generator
SWG Type
CircuPool SJ-40
Irek,

Ozone and UV in a hot tub is a good thing as no sun gets to the water...

As far as the bromine goes I could never get it to work so I went SWG just like you, loved my chlormaker :)
 

irekz

Member
May 12, 2020
17
UK
As far as the bromine goes I could never get it to work so I went SWG just like you, loved my chlormaker :)
I fully agree, love our SWG - but firend's wife claims she is sensitive to chlorine and they like bromine much better. They had some issues with bromine level going down (possibly biofilm) - so I adviced to do ahhsome purge + overnigh loss test.

Just not sure what is the expected bromine loss over 24h in clean spa (with no external factors like UV or ozone).....
 
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