Quote Originally Posted by mcoffey
Nice link,

I see what "OAT" is as described, but not what "HOAT" is. Am I missing something, very intersting none the less.

thanks,

andyc
HOAT is a silicate-OAT hybrid, it is mentioned in the link, but not by its abbreviation, my oversight sorry.

P.S. : G11, G12, G12+ have biocides inside, I haven't had any contamination issues ( or other) in 5 years of use.