The Grow Awards 2026 🏆 
Should i lower the lamp?
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Carlotta
Electrical power calculationActual power consumption of lights is lower than led manufactorer says.
25 leds of 3W each = 75W plus an internal fan plus some other circuits,Total power should be more than 75W and i calculated 58.3W overall.
Vac=220 , I=0.265A
Any ideas?Setup. Lighting
6y ago
6
Solved
Tubington9
Can rotating my 12 hour cycle back a few hours over the course of 3 nights harm my plant mid flower?If i were to manually flip my lights on and off an hour early for 3 nights to adjust my 12/12 from 9am-9pm to 6am-6pm would it be detrimental to the plants? They are in the 5th week of flower. Rotating back 1 hour each nightSetup. Lighting
5y ago
1
1
Solved
MomoCookie
Hallo
Wollte bald 2x Strawberry Pie Auto von Fastbuds probieren.
Und bin mir bei meinem Equipment unsicher
Alle Daten die ich euch geben kann seht ihr in dem Bild!
Ist die 300w Lampe zu Hell für das Zelt?
Falls die Lampe in Ordnung ist wie hoch sollte ich sie hängen?
DANKE :)Setup. Lighting
5y ago
1
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
TCH0808
Mars Hydro TS 1000 [3500K,100W, LED light] (Plants @ 3Questions: See photos.
1. MARS Hydro TS 1000 will not support 4 cannabis plants, correct? Support = Obtaining full plant potential.
2. The Chinese 3000K lighting won’t “hurt” my plants in veg, right? It’s just simply isn’t the lighting that works for veg growth, yea?Setup. Lighting
5y ago
2
3
Solved
DrDidg
Wrong light scheduleScrewed up light timing.
Thought I was on an 18/6 schedule in my tent but apparently it was 12/12 from weeks 3-7. It’s close to needing to be switched over to flowering size wise. I switched over properly to 18/6 two days ago and plan to keep it there for an extra week. Yes?Week 7
Setup. Lighting
4y ago
3
5
Solved
topbilling
Light distance and when to top?I'm using a 300W LED. What distance should I keep the lights at now that I've transplanted and the plants are doing well? I'm thinking 24" and then move up as they grow until flipping. Also, when should I top? I've read that waiting for 6-8 nodes is the right way to go.5y ago
1
Solved
RealTrees_uk
Noob questionI have 2 mars hydro ts1000 leds as my normal set up but I have also put back up my 600w dual spectrum HPS on an angle running at 4 to give extra light coverage, just wanted to know if there was any point in doing this as I’m not sure quite new to growing thanks in advance 💯✌️Setup. Lighting
5y ago
2
2
Solved
Brebzzz
LightShould had ad other Light for flowering ?? Or this one will do the job ?Week 6
Setup. Lighting
5y ago
1
2
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Plumm
23 hours light per day?I’m running 4 autos in a 4x4 tent on 20 hours of light per day. I’m thinking about the possibility of changing the light hours to 23 hours a day and 1 dark hour. I’m currently on week 8/9, I’m expecting it to finish roughly 12/14 weeks from birth. Any thoughts on this growers?Setup. Lighting
5y ago
2
2
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
3y ago
3
Solved
MrGrOH1008
Do you lower light intensity and temps towards the end of flower?So I’m in mid flower, start of week 7 to be exact. I’m curious on when you guys start pulling back light intensity and going with a little cooler temps. I’m running a 240W S33 from AC infinity in a 3x3.
Should I be going strictly off of PAR or VPD at this point.Setup. Lighting
1y ago
1
3
Solved
zkittlezjunior
How Much Buds can i get from 150W Cob Led with using lst techniques in auto ?Like i asked.I have 150W Full Spectrum Cob Led.The amount of lux is about the 12K by the way.So im gonna grow only one plant like auto royal dwarf or white widow auto.Do you think how much grams can i get with this condition?Buds. Not fattening
Other. General questions
Setup. Lighting
5y ago
1
2
Solved
Humble_Lion
How to reveg plants after preflowers by the end of april outdoors?How big are the chances to bounce the plants back to veg after preflowers by the end of april and 14h of day length? Mostly cloudy weather, warm day temperatures (30c) and cooler nights (8c)in the old greenhouse simulated probably to much end of summer vibes.3y ago
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