I'm confused...
I refilled my hot tub about 2 months ago at the beginning of August. I was using chlorine to sanitize, adding bleach daily....and I added dichlor to bring CYA up to around 30.
At the beginning of September, I went away for 8 days, and didn't have anyone to hot tub sit. Per chem geek's recommendation, I raised FC to 10 and added 1 bromo/chloro tablet to a bromine feeder (set to about 4, basically making the tablet completely open to passing water)....all that info is detailed in the "hot to use chlorine in your spa" thread. I'm posting in this thread now because I'm trying to use bromine now, as I don't use the hot tub daily and don't want to have to add chlorine daily.
So, since the beginning of September, I've been using a bromine tab in a floater. I've been keeping an eye on the amount the tablet is dissolving, and basically have been adding 1 tablet a week to the floater as the tablet dissolves to about half or less of what it was.
I haven't been monitoring levels of bromine, and I don't really understand what I'm supposed to be doing.
I just did the OTO test, and bromine level appears light, like 1ppm.
I just added 6 oz of 12.5% bleach....
What am I doing right and/or wrong here? What do I need to be testing, and how often?
Thanks for all the help, and your patience with this hot tub newb.