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Back to Grow Questions
How to use a led lamp
Abacus
started grow question 4y ago
How do you use a dimmerable full spectrum led lamp? When full power? When less? Distances?
Solved
Setup. Lighting
likes
crimsonecho
answered grow question 4y ago
every led is different. different light spread, efficiency, spectrum etc. post which leds youre using then maybe people can guide you in the right direction
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Complain
Selected By The Grower
Similar Grow Questions
Solved
BioGrowKing
2 Lampen
I ordered a lamp from Amazon, it probably won't have super performance, but I thought if I ever do flowering and still have a few seedlings, I could separate them. What do you think about that? Right now, it's just serving as support.
Setup. Lighting
5y ago
1
1
Solved
HappyLittleAxeDents
Lamp to Plant distance - Outdoor.
If growing outside, what is the best way to calculate lamp (star) to plant distance for the journal each week based on time of year and rotation of our lovely planet? I am being facetious, of course! It's just a fun question for you all. Hope everyone out there good!
Setup. Lighting
Setup. Outdoor
6y ago
5
3
Solved
dillande3
Seedlings stretching so quickly
Hello, Gelat Og and Bubba Kush seems stretching quick , using P1000 LED , lumens 6000-8000, 20 inches from plant, its Day 12 from Seed, 18hrs schedule, doing 150ml water every 24hrs, pls let me know what i should do , LED is 50% dimes, is that the problem? Guys help
Plant. Too tall
Setup. Lighting
4y ago
11
10
Solved
ShivaPriya
Confused with light schedules for outdoor growing
Hi fellow growers, I'm really confused with light schedules for outdoor growing. Everywhere I see 18/6 for veg and 12/12 for flowering. However at my place I get ~13hours of daylight (not always sunlight) Would my plants get into flowering if daylight is reduced to ~11 hours?
Week 1
Setup. Lighting
Setup. Outdoor
Feeding. Schedule
5y ago
5
4
Solved
Hisknibbs935
Pre run test showing high temp and low humidity,
Hello,I have pre run to test the temps and humidity on my first one ,i run a 600w hps in a 1x1x2 tent with 5 inch rvksileo extract my temps at at 35c and my humidity below 30 despite setting for 55% would a test without a plant be false ? Should i drop to 400 ?
Setup. Sensors
Setup. Lighting
6y ago
1
3
Solved
haze_gino
LED distance meizhi 120 watt
hi guys, my question is… how much distant i should use my meizhi LED 120watt ( real watt ) from my plant? currently i using it at 50cm distance from the plant.
Setup. Lighting
Setup. Other
6y ago
3
3
Solved
Jardunny
is it okay to place it near the led lights? as many says that it could burn your seedling down.
recently im buying the 1000w full spectrum oem led from China. and i know it just “labeled” 1000w. im testing it on my plant, placing it near and seems like it doesn’t burn my babies.
Week 1
Setup. Lighting
6y ago
2
Solved
MomoCookie
Hello I wanted to try 2x Strawberry Pie Auto from Fastbuds soon. And I'm unsure about my equipment. All the data I can give you is in the picture! Is the 300w lamp too bright for the tent? If the lamp is fine, how high should I hang it?
… Show more
Setup. Lighting
6y ago
1
Solved
hightech316
Burn or ?
leafs feel rough , little tiny greens dots with texture on leaf. I found out after bumping the light up 40% Plants did not like. Looked up manufactures suggested hanging / power. Seems I am over powered. The light is more 4x4 or 3x3 then 2x2 Diary is updated Light or Nutrient?
Leaves. Tips · Burnt
Setup. Lighting
2y ago
9
12
Solved
mushimushi
Strange Bud ....
what she need , but its not seem dense ok she need some week more but its like but its not grow so much , maybe its phenotype ,meybe light excess or nutrient deficit ?
Buds. Not fattening
Setup. Lighting
Feeding. Deficiencies
4y ago
1
5
Solved
999_420
Beginner Grow – Still Getting Leggy Seedlings? please don't judge. the other plants are for using the electricity more efficient. planning to move o
Beginner grower in Germany. Strains: Outdoor Classics. 1st batch (1mo old beginning oudoors then moved inside with lamp) + 2nd batch (2w) stretched. Using Sunlight Stixx 50 at 60% dim, 50cm distance, seedling soil. Not sure if light settings are the problem. What are next steps?
Leaves. Color · Yellow
Plant. Too tall
Setup. Lighting
2y ago
4
2
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
ohighoan
Looking for advice growing plants indoor and outdoor at the same time
So I’m wondering if it’s ok to grow a plant indoor and outdoor. Id like to put them out only on nice days then bring them back in. Come flower time around august id like to do the same thing. Will this stress them? And will this effect how much par I need to drive down on them?
Setup. Lighting
Setup. Outdoor
4y ago
3
3
Solved
HirdoWeirdo
I have to buy a new led
Good evening everyone! I have to buy a new led, I am oriented towards the Vipar Spectra P2000 (the space i have is 110cm x 80cm), but I don't know many models and I would like to know if it is a good choice or what could be the alternatives?
Setup. Lighting
6y ago
3
3
Solved
Zweibel
Single CF Grow COB LED (300 W) sufficient for one plant?
Would like to know your thoughts on my 300-W COB LED (www.amazon.de/dp/B07Z678V5) I’m using in open space on a single plant. I’m not expecting huge yields with this lamp, but I am hoping it will be sufficient to bring a healthy plant to harvest.
Setup. Lighting
6y ago
4
4
Solved
Doomguy420
Swapping lights during flowering
Do you guys think that swapping lights at the late flowering stage is going to harm my girls in any way? Been fortunate enough to be able to order myself a Viparspectra xs4000 to replace the v600. And as I understand it should be quite an upgrade. Thanks for any advice!
Week 7
Setup. Lighting
5y ago
1
1
Solved
Katalist
Can I use led par for growing?
As funds are missing, could I use one of these led pars to light my 2 babies? I was initially going to put them outdoors but its getting colder and colder every day with little sun. I have 3 of these https://m.nl.aliexpress.com/item/32908521143.html?trace=wwwdetail2mobilesitede
Week 4
Setup. Lighting
5y ago
1
2
Solved
Katalist
My grow kit will arrive this week. is there anything I need to watch out for considering the fact that they only have stood by the window (mostly cloudy weather) for most of their lives? I don't want them to get overloaded with the rays of my growlight 😇
Week 5
Setup. Lighting
5y ago
2
4
Solved
Newbie90
Temperature too high
Hey 👋 how do uns keep temperature down? I’m usually in 28,8.nothing helps to cool it down tried everything.have wet towels in tent spray water co2 bags one fan air out one in and 2fans on each corner. Light dual spec 600w. I’m scared to water more. Thanks 🙏
Plant. Other
Setup. Strain · Autoflowering
Setup. Lighting
6y ago
9
8
Solved
MBnVA
Lights
Any thoughts on lights being on 24 hrs?
Week 6
Setup. Lighting
Techniques. Main-lining
5y ago
3
2