Observer
Quantum Yield Engineer
- Joined
- May 11, 2023
- Messages
- 6,974
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worded better than i put it. i see, makes sense.Alright, so think about what a salt based nutrient solution is. It's water soluble salts suspended in water. Salts don't evaporate, er moreso their fundamental molecular structures don't evaporate. However water does. So, when the rockwool dries out, EC will spike.

exactly what im starting to do now, thanks tobh, need to go give it some water.You have two options to combat this effect. One is decrease EC, or increase frequency of fertigation. Really once you have rooted wool you don't want it to drop below 80% water content, which is media holding 80% water. Basically still wet to the touch.
only way i do, dive the fuck in.Loving your learning here man. You're fucking around and finding out. Few growers have the balls to just do the thing and see what happens
picking it up quickly it seems
cant fuck around and find out with them drying back too much lol, thats about all it takes it seems.