I tried doing a google search for that and wound up empty handed. 170 - 190 surely sounds like it would destroy the nutrient? Do you remember what the purpose of heating was?
Mike
Hey Guys,
About two years back, maybe a little longer I had to put my hydro grow equipment into storage. I recently moved and now I am able to resume growing operations.
I have several gallons of Hesi's complete hydro nutrients (grow, bloom, PK 13/14, SuperVit, root complex, etc) that...