This section is missing a choice for 8.25% bleach in the dropdown. It has 5.25%, 6%, and then jumps to 8.25%.
Maybe this could be added? I have 8.25% chosen up in the top of calculator, so if this is why it isn't showing up in the botto section, please forgive me.
Thanks to the creator of this site and all those experts who regularly post on the site.