Dummy me just now thought to Google silicon or silica and herx.
Lo and behold, I've been finding stuff like this:
/fromstrengthtostrength.wordpress.com/tag/silica/http://markuskasunich.com/2015/03/23/diatomaceous-earth/
I resumed my antimicrobial herbs this morning and opted out of more Biosil. I obviously need to start Biosil more slowly (and will need to find a convenient time to herx lol)