Fungus?

easy420

New Member
Looks hungry
They just got fed and I tested the runoff water and the PPMS were 360! The feed itself is only 170 PPMS so why is the runoff so high? I also tested the runoff from a tray of just rockwool soaked in water and it was 310… wtf?!
 

T macc

Well-Known Member
I've never worked with rockwool, and my hydro knowledge is limited. Maybe flush?

I hope someone can come in and help solve this
 
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