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Back to Grow Questions
Light distance from canopy
DennM39
started grow question 4y ago
My 4x8 tent has two 2000watt led lights in it .. whatâs a good distance to keep my lights above the canopy ?
Solved
Setup. Lighting
likes
Skinnytalls420
answered grow question 4y ago
Germination: 50~70cm Seedling: 45~60cm Vegetative: 40~50cm Flower: 20~40cm Good luck!!!!
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Selected By The Grower
Similar Grow Questions
Solved
hollyhustler
Is that just a light burn or could it be something else?
One bud in the middle of my plant is much lighter than all the others, which all look healthy and green. I think it was due to the too small distance of my light, which was only 20cm (8") between canopy and light. I have now moved the light to 35cm (14"). What are your opinions?
Week 8
Leaves. Color - Yellow
Setup. Lighting
5y ago
4
3
Solved
TheChronicHunter
11/13 for flower
I need my grow to finish flowering ASAP, due to extenuating circumstances... Iâve read that flower can occur faster under 11/13 with some loss of yield. Does anyone have experience here? How much will yield and flowering time be influenced?
Setup. Lighting
5y ago
2
3
Solved
Buddie
Light schedule
So I got a new timer and messed up schedule. Plants got 16 hrs of light, turned lights out as soon as I noticed (5am). 11am-11pm light.(5 weeks into flower) Should I let plants have 12hrs dark now and resume 12-12 , or let lights come on at 11am(6hrs dark)
Setup. Lighting
6y ago
1
1
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
5y ago
3
4
Solved
laberg
Light burn
2 fairly new leaves at top (opposite ends) seem to show signs of light burn (yellow tips). They recently turned a bit more green but the tips are still quite yellow. Light = 13 inches away. PAR 370 at center, 350 on sides. DLI=~ 22.5. CO2 bag in tent (at about 620). Thoughts?
Week 5
Leaves. Tips - Burnt
Setup. Lighting
3y ago
2
2
Solved
Bandit600
Ist mehr Licht besser!!!!
Hi liebe Grower Kann mir jemand sagen, ob das stimmt wenn man mehr Licht bzw Watt hat, das die Damen schneller wachsen und eher fertig sind bei Auto Samen. Ăberlege nĂ€mlich ob ich mir eine 2 Lampe zulege soll. Danke im voraus đ
Week 6
Setup. Lighting
5y ago
2
Solved
DevilsBud
Led grow light 1000W
I have question I am still debating between 3 models any advice is helpful thanks in advance :) marshydro TS1000 spiderfarmer sf 1000 Bestva pro 1000W
Setup. Lighting
5y ago
3
3
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
4y ago
2
3
Solved
ProGuyMJ
Lux Meter and Hydroponics
Who has experience with using LUX meters to position lights in various stages of hydroponic growth. I feel I am giving mine too much light, based on the readings, but don't want to pull them back. Currently 10" from the plants.
Setup. Lighting
2y ago
6
6
Solved
Vee_vee
Equipment necessary?
Can I grow an auto strain without a tent/lights etc.? Just in pot in my living room?
Setup. Lighting
5y ago
4
Solved
fuckitimhigh
Can someone please help me decipher the specs of this grow light? Did I buy it too hastily for a 3x3 area?
https://www.amazon.com/dp/B08SW9TWZM?currencyCode=EUR&language=en_US Sunlight Full Spectrum Samsung Diodes 2.7+ ÎŒmol/J Dimmable Growing lamp, 333 LEDs 100 Watt, Perfect for 2x2 and 3x3 ft I know it says perfect for 3x3. But I also heard specs can be exaggerated/wrong.
Setup. Lighting
4y ago
1
1
Solved
Rene1968
Avg PPFD
What do you think about my PPFD at this veg. Periode? Look at picture
Week 5
Other. Other
Setup. Lighting
3y ago
6
3
Solved
MaestroBud
Mars Hydro ADLite 100W Under Canopy Advice â Experiences and Controller Compatibility?
Anyone tested the Mars Hydro ADLite 100W Under Canopy? Worth it? In 120x120x200 tent, better use 1, 2, or 3 units? Can I daisy-chain them and control with Phlizon Wi-Fi controller (link below)? Setup: 4 fem plants, DripKit, FD9600. Tips or feedback appreciated! đđ±
Setup. Lighting
5mo ago
1
1
Solved
Fusion
LED Brand
Any one familiar with Sun Raise LED. Scored a 1000wt for 60$ yesterday. Lux test shows 250k on veg /bloom , 500k overdrive. Wondering how the plants like it?
Setup. Lighting
6y ago
2
5
Solved
PapaBaer
Zu warm am BlÀtterdach
Hallo die nĂ€chste FrageđWas kann ich tun um die Temperatur noch runter zu regeln? Am BlĂ€tterdach sind es 29-30,5Grad Celsius ich habe schon 2 Ventilatoren und die Abluft auf höchster Stufe laufen sieht aus als wĂŒrden die Damen im Herbststurm stehen.am Boden 24,5Grad Celsius
Week 4
Setup. Lighting
Setup. Ventilation
6y ago
2
Solved
Nobel
Light and water
Thank you guys! for watering, I don't know how she can react giving her more than 250ml. I can try but I don't want to drown her. For the light, unfortunately direct sun light arrives from 11.30/12 am to 7pm. Before it is covered by other buildings behind my terrace.
Week 2
Setup. Lighting
6y ago
4
Solved
Terp_Derp
Comparing My 2 LED lights
Light comparison. Ive got 4 plants in a 3x3 and am currently running the ViparSpectra V600 LED. I just got offered a MarsHydro TS1000 and Im not sure if it's an upgrade or downgrade. I've watched so many review videos and end up more confused. Should I run both?
Setup. Lighting
4y ago
2
2
Solved
Growgodalex
Light time
How is she looking and how much light do you guys recommend?
Week 2
Setup. Lighting
5y ago
1
5
Solved
tiasmaaa
Use lamp while waiting the sun ?
Would it be worth it for me to go and buy a CFL bulb at a DIY store while I wait for the sun to come back? Or is it not good to have 2 different types of lighting (sun and cfl bulb)? And what kind of cfl bulb I could take?
Week 3
Setup. Strain - Autoflowering
Setup. Lighting
Setup. Outdoor
5y ago
3
3
Solved
Mosquito_Haarlem
Daylight or LED?
Next week will be cloudy. Should I put her under a 600w led or is daylight better for her?
Week 3
Setup. Lighting
6y ago
3
2