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i meant the cannopy , but yesterday it reached 29C and i still have +-7 weeks and its only getting hotter each day , i need to change to the leds , hopefully i wont make my plants hermaphrodite :(

the only way i have is too put my leds , but im with fear of swaping stress ( week 4 flowering) because my leds are more potent in terms of ppfd , what woould u guys do ? change or go with hps and high temps

ty so much , i tried it but i dont know how to calibrate , it does seems to shoot good numbers but right at the center of the canopy hes unstable(the sensor i guess ) so i get 1200 ppfd but sometimes it just shoots to + then 2000

does it ? i know i loose terpenes but what about potency

the app is giving 180.000 lux in the midlle of cannopy at 25cm is this normal !?!?!?!?

but do u think its bad so much ppfd , or do u think its bad changing from hps that gives much less to leds that give 1200ppfd at week 4 of flowering

Hydrokid , i just saw a post where u did get 1250 ppfd , thats the ppfd my light gives at 35cm , so much ppdf could it be bad , im at week 4 of flowering , and need to change my hps to the leads because of heat problems , what u think , can i stress out the plants with the change ?

thanks man , thats the best thing i can do for sure .

MidnightSun , i need to dim thats why i need a lux reference so i dont go to low or stay to high , but some people are saying smartphones app are useless others say they give the same readings as lux meter , i dont know ;S

I need to bother , i must change from 250hps to Leds , the problem is that the leds emit 1200ppfd at 40cm , and i only have 25cm , to much ppfd can fuck photosint. if i know right ?

Hi there Groweeee , thanks for for ure app . Do u think i will get a precise measuring using a Samsung A50 ? Thanks for all

thank you

Can i have someones advice on this please

its 170w led but yes at that distance it will be more then 1200ppfd

i have dimmer but i dont have lux meter i can only dim by feeling ? maybe to 75% , what u guys think

i usually fim on the 5th node , but i think u can start at 4th

They have twice the diodes then the top manufacturares , the numbers are right

Thanks , what about the change from a hps to a much more powerfull light at 20 days in flowering u think they will be ok

I found that with FIM the colas get more even without lst , the thing is , a fim is easy to fail , if u cut to much u end up topping if u cut to less ure only retarding the growth and have to try again

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