Recent content by vdo

Yeah, I ended up getting another brand (Simply Done) because it was clear on the concentration (8.25% and so better value than similarly sized other ones that were 6%) where I wasn't finding that clearly on the Chlorox bottles. I'll have to check out the Walmart ones for cost/value. There were...

Wow, thanks, that must be the problem - I did not realize bleach went bad and I'm so glad I posted here as I would have kept going bonkers trying to figure this out! Yes, you are correct that the FC was fine originally when using dichlor and then the issues started when switching to bleach. My...

So I added enough bleach that the Pool Math Calculator said would raise FC to 8, but after I waited several minutes and tested, it showed no FC. I waited an hour then added the same amount of bleach again and waited 20 minutes and still no FC. I then decided to add Dichlor (enough for 8 FC...

I have a new spa that I installed and filled. Got the recommended test kits and check things every day and when things first started out, I was going along fine. I am following Nitro's post and adding dichlor until I get the right CYA value and then use bleach. I use boric acid (my wife...

Hi, Recently got a new spa and this site has been great in helping me understand water chemistry. I've read a lot of the pool school and chem geek's posts and really have learned a lot. I have an FC problem that I'm going to post about in the water chemistry section but just wanted to register...