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are you sure that the electrical bill will go down?by the law of Omh the only change that you will have with 220-230v is to lower the current but the wattage outpout is the same...isn't it?

Hi Guys... After so many years of reading...and reading ....and reading it's time to make my first led grow tend: 70x70x170 made with kouvidis heavy type electrical tube 25 mm led's: 1 bridgelux vero 29 4000k 80cri and 1 2700k 90 cri drivers:2 mean well lpf 90d 42 with one dimming pot 100k +10k...

80 wats veg state and 160 wats led flowering state is not enough? for one plant in tend 60cm x60 cm x 160cm?there are proves for what you can do 160 watts of vero 29.maybe its better to start my 2700k before i turn it to flowering state bridgelux 4000k 80 cri 127 l/w 2700k 90 cri...

i have no hps no mh no cfl...as i mention in this post i use a bridgelux vero 29 4000k 80 cri about 82 real wats next week after i trasnplant her i will use an other one at 2700k

my grow journal will start tomorrow it's led test maybe i will post in led and other lighting thanks for the advise

thanks for the advises!!! i'm sure i don't have mites ... tomorrow i will see the results of my feeding. if the problem still exists i will use a cal mag solution or Epsom salts?in witch solution i will have faster results?

hello guys in the picture bellow i have an Acapulco gold from barneys farm vegging for 22 days under a bridgelux vero 29 4000k 80 cri at 2100ma .tend temperature 24-29 Celsius max,water hp 6.8. everything is going ok except the last 2 days.my leaves is starting to losing a bit the green color...

i have a plant in the early stages of veg.After the first week of 20/4 light i wanted to change it to 18/6 but accidental i program my timer switch at 16/8 instead of 18/6.I realized that today it's 2 days in 16/8.should i change it now?or to leave it as it is?

thank you very much for your reply

Guod!!!please a small help... i went to a electronic shop to buy the 100k pot and a 10k resistor. but he ask me how many watts i would like my resistor to be.i didn't know so i told him for what reason i need them and he gave me a 5W10KJM resistor is it ok ?

:clap::-D

today finally my 2 led drivers arrived and i want to power my vero 29 for 10 sec (only to see them lighting!!!!!) just for curiosity!!!Is it any problem to plug them just a bit without a heat sink or a dimmer?

thanks Guod!!!everything is clear now...the only problem i have is the f@cking usps international priority mail my packet with the lpf's is stack in LA for 5 days :wall::wall:

please can you send my the circuit of the meanwell lpf with 100k pot?the 3 pins of the pot disturbing me a bit. I thought that i have to use 10k resistor before the 100k pot.

a question with the circuit that you gave me please!!!! after i connect the 10k resistor with the dim- i have to bridge the middle pin of the pot with 1 one of the side?

my next project is with 2 veros 29 4000k 80cri and 2700k 90 cri i was curious if i need more blue...

is vero 29 4000k is better for flowering than for vegetative state?

very usefull information about lpf because i was wondering if it's better to get the psu's out of the tend or not..i'm waiting for them they will ship them 3 of June dam it!!!!+at least five days for international shipment.....IMO maybe, the killamp cannot mesure so small amounds of wattage

intetational shipments from jameco is bit slow . 5000k or 4000k?

my led drivers will be late a bit ....can i use those cheppos led lights for the starting week of vegetative state?5000k or 4000k ?is it worth?i have some 20w and 30w models