Campden tablets pre-boil

[davidst]

If I add campden tablets to water for 10 minutes pre boil, will they affect my yeast post boil or will all the gas they release be boiled off? I'm assuming the latter but just want to make sure.

Thanks for the help!

 

[tomchukj]

I have used them since going all grain in my mash water and have noticed no yeast issues at all. Last 10 or so brews have always hit my FG

 

[davidst]

Yeah I usually add them the night before but forgot, just don't want to screw up this batch by adding them now right before I heat up my saccharification water.