This week I've had some problems. Early this week some leaves turned yellow with brown spots.
These are signs of a potassium deficiency. I think too much calcium and magnesium is the cause.
So CalMag is removed from the menu and Green Sensation was put on.
It could also be that the ph levels were a bit too low so I raised them from 6.1 to 6.3
This was the feeding shedule of this week.
Day 1 → Dry
Day 2 → Each 1200 ml (0.31 gallon) tapwater with Plagron nutrients (see above for which and how much)
Day 3 → Dry
Day 4 → Each 1275 ml (0.33 gallon) ph adjusted tapwater (ec 0.48– ph 6.3)
Day 5 → Dry
Day 6 → Each 1275 ml (0.33 gallon) tapwater with Plagron nutrients (see above for which and how much)
Day 7 → Dry
Cobs stayed at the same height and power as last week → 252 watt at 45 cm → (PPFD 789/DLI 34.1)
Temperatures stayed between 22 – 27.8 °C ( 71.6 – 82 °F) and humidity levels between 50 – 65 %
Till next week!
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