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7 hours of daylight (indirect sunlight): 6am - 1pm
6 hours of direct sunlight: 1pm - 7pm
I started to use the light reflector for indirect sunlight period only; because it increased the heat under direct sunlight and burned the leaf tips. (R.I.P. bottom fan leaves.)
Bottom leaf tips getting brown and dry symmetrically. The soil (Bio Bizz All Mix) was cooked at 100C (212F) before using, so all organisms are dead. Shall I increase Biobizz Grow or maybe add some Biobizz Bloom?
Hi! Plant was overfed in the past weeks, AllMix is extremely rich with a high EC, adding nutrients was not necessary in the veg stage. Now as an emergency move I’d try to flush the medium for at least 4-6 days and see how it goes. You may have created a salt buildup, so don’t feed until the plant shows pre-signs of a deficiency. I also recommend to grab an EC-meter, this will allow you to measure your waterings and the runoff, you’ll have more reliable informations about what’s going on. Hope this will help, keep us up-to-date and happy growing 👊
After flush, drying of leaf tips slowed down but continued.
Now I see some yellowing on the fan leaves. I don't know if it is a sign of burn or defiency.
I think big fan leaves and some of the small fan leaves started to show the signs of nutrient deficiency (last picture), but I don't know which component is the problem.
Also the growing has been stopped. She is about 39 cm for two weeks.
Now I am sure that cooking the soil was a terrible idea. The nutrient balance of the soil is broken, so the plant is exposed to both deficiency and burn at the same time.
burrr
