Try the additive , it has been around a long time, longer than paint
companies have been using it. Ive been told it is basicly the ingrediant
in bleach Sodiun Hypochlorate, I have not checked so look at the
additive. Yes venting is better but I know in some situations it is
impracticle- impossible to do. Try the additive and keep a spray bottle
with bleach handy.