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heat is a factor too as VPD is, but ill bet they do great with 80% or less also. not knowing your light nor your tentsize, so its a guess.

posture isnt looking bad, on a close look i would say the edges of the upper leaves are tacoing, so she see a bit too much light. they will not need your light at 100% yet and prob do better if you crank it fown a bit.

watt rating of the pot dont matter for this purpose.

sulfur is the most hamless of all elements to the plant. there is no antagosnism i am aware of and literature is stating this too (beeing the most harmless). my tap does have a 174ppm sulfur on its own without any fertilizer added, never saw it beeing a problem other then the pH can be too high...

do love my Bosch Perfomance Line Ebike with a Gates Belt on a Shinamo 8 Speed Nexus. Reliable daily driver.

they will fill your tent well, flip em :D. would bet you wouldnt need the 5th. few days more veg and a good 4 weeks flower. and i have cut a whole paper bag leaves and weak shots in the meantime and could have went heavier.

think its really time to switch to 12/12. they could look a bit happier. spread them out and prune as good you can during the first 2 weeks.

could be Trichoderma. "Trichoderma is a beneficial fungus which occurs naturally in coconut fibre " check google pics for trichoderma harzianum

all good, all flawless. tops are seeing a 1200ppfd at a 240W in this 3x3 (86x86cm ,0.74m²). topdressed some organic pellets today and a tablespoon bat guano, hoping it wont be too much, well see. no need for calmag or anything else then organic dry fertilizer and water. the red petiholes are...

thanks will have a look, no stock for these anyway, world sucks atm.

210 would be awesome, i just couldnt find a real product having this? https://www.futureelectronics.com/de/our-solutions/lighting-solutions/narrow-band-phosphor-technology#products no strips linked there, but stating >200 lpw. in this datasheet the max is 172 lpw...

yeah, am curious too, just would need to get a way better picture of them before making any decission, but i honestly considered using them as the only light source (while i do have mono strips too i could alays add). sadly lots of other stuff to do atm, so guess there is no time for a new...

downloading their XLS and open it. https://bridgelux.com/product-simulator prob a fake email works too. used google sheets to open it. qmol/J is to the right in the table, goes from 2.2-2.9, but i have no feeling for the F90 nomenclature and i am on a 13" notebook atm which is pita for sheets...

and even if, for 600W it wont be that much, also it probably went long days beeing a Auto. lots energy spent on. ROI for my Led fixtures was less then a year for the complete fixtures only over the saved electricity, which is about 35$ cent now over 40 cent. using them for 3years now, would...

are you still happy with your F90s? the concept is quite interesting, i wonder it havent cought more attention here. would like to know the ppfd output, looks like its quite good. "For traditional LED technology, higher CRI results in a lower efficacy. By replacing broadband red nitride phosphor...

same for me, uva isnt killing spores (that much). yea, would also say airy buds or more there is hardly any chance for grey mold below 55% RH, also grey mold dont like high temps over 30C. sounds youre safe in that regard. never had mold again after i installed my dehumi and set it to 55%...

there is a level from where your plant canopy will be saturated, you can push that a bit with CO2, but just to certain point and you would need to take more factors in to account. the fuller your canopy gets the more the plant can take, simply due to the fact that the photons are shared over...

btw. i seldon brew tea anymore, atm not at all, the soil all does it on it s own when its moist and full of bennies anyway, but it dont hurt to brew.

i wont panic that much. i use organic fert granules, but my guano is powder. my granules dont stay for months, thats for sure, they disolve well in EWC rich soil on their own. they act maybe within 2 days or such also. topdress and see that there is bacteria to eat your pellets (its there...

how long are they in flower mode and whats the daylight hours now?