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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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Selected By The Grower
Similar Grow Questions
Solved
PooBrainStoney
Can someone please show me a proper setup guide for hanging grow lights?
I recently purchased a Vivosun Smart grow system, but this is my first tent and the booklet just says "tie light up top" with a ratchet hook system. I wont be able to adjust height without tons of extra work, can someone assist me?
Setup. Lighting
4y ago
3
Solved
Albgrow
Problem with timer
Light problem.Timer was off but the room light was on ( was the time for the flowers to sleep.) This was for 7 houers .Plants are in 10 week.i switched it off when i realised this..any big problem? What do u suggest to me? 😭😭😢😰
Setup. Lighting
6y ago
4
3
Solved
B0AGL
Low Watt LED
A friend want to start his first grow and has not much budget. I see that you Guys allways use 200+ Watt LED lamps. Why cant he use like a 30 Watt LED lamp?
Setup. Lighting
6y ago
2
Solved
Rixx2k
Niello 300w how high hang in Vegi ?
Hello lovely Grow Community. I have a niello 300w and do not know how high I should hang it in the vegie phase can help me someone who has experience with the lamp ? Greetings Rixx
Setup. Lighting
5y ago
1
1
Solved
jimmminycricket
Can anyone recommend me a good led under 250$ thank ya the grow space is a 4x2 tent I was hoping to fit 8 autos not sure if that's possible
Setup. Strain · Autoflowering
Setup. Lighting
Setup. Other
6y ago
3
8
Solved
DaveKard
Lights
I realize at this point way too much light,Down to just 1200 W LED which is equal to about 600 w MHS with both Veg & Bloom on Any advice to achieve optimal distance from the tops? Watering with nutrients only or should I alternate with low ph water flush once a month
Setup. Lighting
Feeding. Deficiencies
6y ago
2
Solved
Greenbean15
Too close to the “sun”(light).... any advice?
My plant grew close to 4x it’s original size during her stretch, 10-12” on day one of 12/12 to 46” tall. She’s on day 30 of flower and I set up a second ScrOG net. Other than blocking light to shorter plants, do you see any other potential problems this second net might cause?
Plant. Too tall
Setup. Lighting
Techniques. ScrOG
7y ago
5
Solved
Smokey89
Light output once flipped 12/12
Hi guys just after a bit of information regarding flipping. When you guys and gals flip do you increase your light output gradually or do you just go straight to full power. Any information will be appreciated thanks growmies
Setup. Lighting
4y ago
1
2
Solved
PlanTings
Hi guys, My LED light from my tent just stopped working, it might have been the humidity or straight water in there. The new lights might arrive 4/5 days to arrive. Do you think my plants are going to die? you can check my diaries if you need. Thanks for your help.
Setup. Lighting
6y ago
2
2
Solved
AutoZone420
Light help please :)
I’m trying to figure out the optimal height to hang my KingLed 1000w full spectrum at for seedling, veg, and flower. I feel like part of why my plant was is so small is due to incorrect hanging of the light but idk
Setup. Lighting
6y ago
2
2
Solved
Dillsnills
Should I support these seedlings or move them closer to the light? I added more soil to support them, let em go see what happens?
Should I support these seedlings or move them closer to the light? They seem to be sturdy. Glueberry Og Auto, 60rh 75 day temp 70 night, ViparSpectra p2000 24 inches at 25% power. They keep stretching jus looking for advice opinions on what to do plzz, 7 day's old.
Setup. Strain · Autoflowering
Setup. Lighting
Setup. Seedling
5y ago
3
5
Solved
Arcadios
Do I need to lower my lights?
Do I need to lower my lights? I'm using a Kingbrite 240W Samsung lm301h and I just went into flowering period. I think the light is a bit overpowered for the room, so I've left it at about 21 inches above the tops of the plant. At this distance, all areas are getting 27k lux.
Week 4
Setup. Lighting
6y ago
3
4
Solved
IniquityX12
Light intensity
I'm at the start of week 3, should I crank my light up to 100% or give it another week?
Week 2
Setup. Lighting
3y ago
5
3
Solved
IchBinDerAmpelmann
Lighting cycle for VEG stage. Is 24x7 OK?
Hi, Should I use the VEG lights 24x7 from the time I plant my seed until it's ready to bloom, or would something like 18 hours on and 6 hours off make more sense? Is there a "best practice" for veg lighting? It has worked for my first 3 grows. VIPARSPECTRA 600W LED Thanks, Mr.STM
Setup. Lighting
3y ago
7
5
Solved
Chaweeder
Led lights
Please help I need led asap what's some decent lights to operate a 4x8 room
Setup. Lighting
6y ago
1
1
Solved
IQuSX
Extra LED
Good time , Topman! Do you think it is worth installing additional 140W Led? How are you doing ?
Week 11
Setup. Lighting
4y ago
2
4
Solved
fitinha
Lamp to plant distance: is 40cm enough during flowering phase?
Started with 70cm (afraid to "burn" the leaves), but moved it down to 40cm after checking other grow diaries for auto seeds. Should we keep the lamp ~25-40cm away from the plant from now on? *Lamp is a 300W LED panel (full spectrum)
Week 7
Setup. Lighting
5y ago
3
3
Solved
GEESTGROW
How to dim a Sansi LED bulb
I have a 10W Sansi LED bulb for my grow, but I would like to be able to dim the light since, having limited space and needing to place it close to the plant, I'm having issues. (https://www.amazon.es/SANSI-Bombilla-Espectro-Completo-Invernadero/dp/B08P1RL7KC/ref=asc_df_B082PSBP68
Setup. Lighting
2y ago
6
6
Solved
CaptainCream
When add Boost ?
When is good time to add Bloom Boost for led lamp to give plants better spectrum and lumens ? My lamp: Optic 6 COB led here is link: https://www.ledgrowshop.eu/optic-led/optic-6-cob-led-grow-light-605w--uv-ir--3000k-5000k-cobs/
Week 8
Setup. Lighting
6y ago
6
3
Solved
Puffdamagikchillum
Lighting question
Will it hurt to run this giixer 110w led in a 32x32x63 tent with this Bestva 390w led? 2 plants one mainlined and one just lst in 1gal pots. What about the way its set up? Was only way it would go in! Height suggestions?? Thanks and Happy Growing
Week 4
Setup. Lighting
6y ago
2
2