pre mixing nutes evaporation

[bobman]

I grow in hempy buckets and mix my nutes 1-3 days before I use and bubble them. I usually lose about a half a gallon maybe more from evaporation. I am assuming my nute mix gets stronger because the nutes do not evaporate? I do not have an e.c. device. Should I just add back with water to my original level or start with more water?

 

[Seamaiden]

I am also growing in hempy (OD), but do not premix. It seems to me that if you can know exactly how much water has evaporated (I doubt any of the nutrients are that volatile as to evaporate with/like water) then I'd just add back the same volume of water.

 

[mikeross]

That is no problem... its easy to just add more water to reach your desired ec right? I only leave my water out over night with a air stone to agitate it never longer then that but if you keep it fresh i dont see any issues. all my opinion of course