Are your plants being exposed to light from outside? I've had plants start flowering in the winter because they were in rooms that had outside light still coming in.
Some plant nutrients are mobile. Therefore, leaving older, lower leaves intact stores nutrients for new growth in case of mobile nutrient deficiencies.
Fatman,
Is the ideal to provide nutrient solutions at ratios and concentrations identical to plant needs? Is there evidence of this? Is it cost-effective to make that our goal? I'd think that nutrient requirements among plants differ even among clones from the same mother. Add in RH, light, and...
All the electrical stuff is fine. Thankfully the bottom of the tent has a removable floor that contained the spill and all the electrical stuff was outside the tent.
Yes, I'm using clay pebbles. My theory is that some of the clay pebbles floated out of their pots and clogged the overflow...
I woke up this morning to find my GrowLab 3x3 tent flooded 3" deep from my Botanicare 3x3 Ebb and Flow table. I have no idea what caused this. Thoughts?