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Back to Grow Questions
UVA led lights ?
SanderanderS
started grow question 5y ago
Who o Who has experience with LG uva led strips , are the anything good ? And how many do I need for 1 m2 ?
Open
Week 4
Setup. Lighting
likes
Answer
Hempy_The_Kid
answered grow question 5y ago
I would not buy these. You would need a whole lot of them to amount to anything. Be better to buy a budget growlight off Amazon.
likes
Complain
Similar Grow Questions
Solved
Ema26
600w hps or LED? Thanks!
Setup. Lighting
7y ago
14
11
Solved
Phillycash
Which light cycle should I use in my tent
Ok so I have three autos and two photos In my tent. So far I have only been running the veg stage on my light so the question is can I or even should I run both the veg and bloom cycle or just keep it on the veg cycle.the autos are only two weeks old and the photos just sproted
Setup. Lighting
6y ago
4
4
Solved
TrimQueen
Harvest Time is Coming
Hey, Guys.. What up. Only by looking at the buds, could you possibly notice when I will be harvesting her? She looks pretty excited, and for, it's about 6 or 7 weeks more. What about you guys?
Week 12
Setup. Lighting
6y ago
2
2
Solved
eatmykimchi
hlg550 distance from canopy veg
How far from canopy for HLG 550 during each stage? After starting with a cheap LED, without getting a par meter I think 18" @ 50% power, or 32" @ full power for veg? Start higher and increase power every few days?
Week 1
Setup. Lighting
6y ago
1
3
Solved
Rastaluna
Light height
What do you think guys, should i lower the light at 60 cm veg switch on ?
Week 2
Setup. Lighting
6y ago
7
4
Solved
GBaalr
Short period grow
Hey fellow growers. So I have an odd question, Is it actually possible to start grow with 12/12 straight away? And how will it affect my plants? Let's say I have 3 autos and one photo. Will I have anything worth the time if I start straight with 12/12 light schedule? Thanks you
Other. General questions
Setup. Lighting
5y ago
2
3
Solved
BullWeedDog
Hps o led??
I have a space of 1x1x2m, how many LED lamps would I need for this space and which ones do you recommend?? If my ambient temperature is very low, down to 5ºC, would it be good to use LEDs or should I stick with HPS??
Other. General questions
Setup. Lighting
4y ago
1
4
Solved
LeastExpectedGrower
ViparSpectra XS 1000 (x2) vs. HLG 100 RSpec (x2)
Thoughts on VS XS 1000 (x2) vs. me buying HLG 100 RSpec (x2)? They'd go to either side of my HLG 225 in a tent that's 2.75' deep and 5' wide to 'fill the wings' more evenly. Thoughts on build, safety, quality & heat? HLG 100RSpec:0 / XS1000: (on sale this weekend)
Setup. Lighting
5y ago
1
3
Solved
odrex
Should I switch to 12/12 lighting? - Autoflowers not showing pistils after 5 weeks
Growing five plants (germinated Sept 8) including 3 Anvil and 2 BlackStrap autoflower strains from Mandalorian Genetics. The BlackStraps have been showing pistils since about end of week 3. No Anvil plants are showing pistils. Should I switch the lighting schedule to 12/12?
Week 5
Plant. Other
Setup. Lighting
5y ago
3
3
Solved
SevenStoned
Change lights off time?
I'm having trouble with temperature control. My nights get too cold. My current lights off time is 12am-6am. Is it possible to change it? I really want my lights off to be from 9am-3pm. I think that would help me a lot. How do I change it? Let my lights run for 27 hours?
Setup. Lighting
6y ago
7
5
Solved
Cod_Fish_Joe
Currently my lights are on a 18/6 schedule, from 6am, until 12am. I want to change their light cycle to start at 4pm and turn off at 10am, so the heat of the light balances the chill of the night. Whats the best way to do this, without triggering flowering, or stressing them.
Week 1
Setup. Lighting
6y ago
3
3
Solved
Dillsnills
How many lux should seedlings get?
Jus wondering how many lux should my seedling be getting? Right now it's between 3800-5800, I'm trying to get my lights the right distance, advice input and opinions greatly appreciated. Also how many lux for each stage of growth, I've read up on it, jus looking for advice onhere
Setup. Lighting
Setup. Seedling
6y ago
5
2
Solved
ZigkGrow
Light doesnt cover every pot
So i've got 2 plants under one cfl lamp and i observed that that 1 girl is reclining to the right. As i see my Cfl this girl is standing right below the plastic part of the cfl and obviously gets less sun. How can i fix this? Changing place my pots every day will do the job?
Week 2
Setup. Lighting
6y ago
2
2
Solved
Sang79
65w led
Somebody did a autofloracion with just 65w? I will see the difference of my grow..
Week 10
Buds. Other
Other. General questions
Setup. Lighting
5y ago
1
4
Solved
Growladyeastmidlands
Maxibright 200w led
I just brought a maxibright 200w daylight led and I popped some seeds yesterday. Today I have put them under the led light set at 20% will this be OK for them please Also is the maxibright 200w a good led light thanks
Setup. Lighting
5y ago
1
Solved
Insertcoin
Should i raise the lamp to force the strech?
I had the light the past few weeks 30cm over the plant on 100% wich has 930ppfd in 20h duration it was all together 65 DLI. I want to force the strech from now. Do you think i should raise the light up tp 50cm over the plant? The plant made nearly 20cm within the past weeks.
Week 5
Plant. Too short
Setup. Lighting
2y ago
6
1
Solved
Tremojem
Which New LED Light For 4x4 Tent?
Okay here we go. Lots of old information on these, so I researched carefully to catch all new information. Which do you prefer and why? Mars Hydro FC4800 or Spider Farmer SE5000. For a 4x4 tent. Thank you all!
Setup. Lighting
4y ago
1
4
Solved
Shags212
Best Price to Performance LED growlight
Looking at buying another LED growlight for my flower tent and want to know what one is the best price to performance wise. but I want it to better the one I have already. Wakyme 1200w (210w) 120 LEDs x10w was £65 from amazon. To cover 4 to 5 plants at most
Setup. Lighting
5y ago
3
2
Solved
Voida
Light Schedule
Should i change the light schedule to 12-12 or keep it like this? Which works best for you?
Week 4
Setup. Lighting
7y ago
2
3
Solved
bobh2
leds 50w em fonte 250w queima?
To buy leds cob 42-48W 36-39 V 1200mA 3500k, and to cut costs, I want to use a 250W step up with a 24v 20A 250W switching power supply, if I connect 5 cob leds will the leds burn out?
Setup. Lighting
Setup. Other
6y ago
2
2