Pre mix KNF solution 0 0 Hi, it is possible to pre mix OHN, FPJ, BRV and LABS? How long will it keep (room temp or refrigerator)? Application knf solution Share Facebook Twitter Google+ Tumblr LinkedIn Mail Water asked 2 years ago You must login to post comments Answers (1) Filter Sort by: Most Votes Newest FirstOldest FirstRandomRecently Active Post Answer Keyword Match all Match any Accepted/Unaccepted Show accepted answers only 1 0 u would not want to pre mix LAB or FAA but the base mix/maintenance spray can be pre mixed OHN FPJ BRV WCAP then added/used at 25ML/gal as the base for the sprays dagoofman answered 2 years ago Water2 years ago Thank you! drake2 years ago Great answer! You must login to post comments Showing 1 result Your Answer Please login first to submit.