The Grow Awards 2026 🏆 
Lights
Sticky_bandit84started grow question 5y ago
Anybody know much about the dimmer on the spider farmer sf1000?! What wattages do you used during veg, flower etc..
Solved
Setup. Lighting
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blendmedmedmananswered grow question 5y ago
first few weeks you run it at 30% then run it on half way in veg then in flower full blast
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Rollme1kenobi
6” three week oldI was wondering if I stunted my plants’ growth by having my lights at max intensity right off the bat. I also didn’t have vpd dialed in til 2nd week. Organic soil.My pulse one has said 96 light intensity since I got it..should I be lowering the intensity of bulbs til flower?Week 3
Setup. Lighting
5y ago
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GreenleafSWO
Grow light height in floweringI have a lumatex ATS 200w led, I've it raised to max height but I've still only 10 inches of clearance from the canopy. It's flowering now and upward growth has stopped as buds are starting to fill out, will I be ok with this short distance?Week 8
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3y ago
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CRIM_mir
How to manage grow light height with plants of different sizes?My grow light is suspended (offset from plants) about 10” from the canapy of my two LST’ed plants but only about 6” from my control plant (no LST). Everyone seems happy, and I am not noticing any burns or lack of growth (unless too close can stunt?). Should I rethink the setup?Week 4
Setup. Lighting
5y ago
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EJBudz
Changing Lighting ScheduleThe days on the plants are since planting, so i was going to keep the vegetative light schedule until 5 weeks since planting, then start moving towards a 12/12.
Is it even optimal for an autoflower to have a traditional 12/12 lighting schedule during flowering?Week 4
Setup. Lighting
3y ago
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BarneyRumble420
Opinions pleaseAnyone used the viparspectra p1000?
And is it any good ??Setup. Lighting
4y ago
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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
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Blind_japanese
Distance from bulb or from reflector?I found content about the distance from grow lights to the plants. I Know that using a 250w MH bulb the distance should be in a range from 20cm to 30cm. But i dont know If I should measure the distance from the glass of the reflector or from the bulb itself to the plants. Help!Week 3
Setup. Lighting
6y ago
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Lew420
Bad idea?Will a mars hydro TS1000 be too strong for a 60x60x140cm tent?
I have been using a TS600 and TS1000 in tandem in a tent 4x too big for the light level, I have been growing strong and tasty buds but with low yields so downsizing my tent size to maximise the light.Other. General questions
Setup. Lighting
2y ago
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Grow4Releaf
General question about raising lights.Gotta question for what most of you are doing to raise your lights?
Currently I've just set it static and move as needed. But I'm curious if anyone has a easier method or know of anything made to aid in the raising of the LED light fixtures ?Setup. Lighting
3y ago
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Catphish
Lights Got Stuck On When It Should Have Been DarkI found last night that the timer for my lights got stuck on for close to 8 hours past when it should have been in dark period. I immediately turned them off and put it on dark for 12 hours. What do else do I need to do or look out for? Is re veg a high possibility?6y ago
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JuanCarlos97
Hello fellow growers :D thx a lot
Firstly, is the reason why my plants (especially cookies) are very slightly curling/folding at the ends of the leaves because the LED is too powerful?(Reason to be worried?)
Secondly, should I start adding nutrients? Just 1/4 of Bio-grow for now?6y ago
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Valleywestbuds
Light strength2 of my autos have been harvested and now I just have 1 mature plant mid flower and I've started my 3 other seedlings. I've got a tsw 2000 w/310 wts. Should I keep my lights at 100% for maximum growth or should I back off a touch to say 75 or 80%?Setup. Lighting
4y ago
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paulsgrows
Nanners?Can someone verify my latest 2 photos look like nanners? If so, I’d love some insight on why my plants seem to be so light sensitive. Most growers seem to blast their plants with upwards of 200w with little issue. Mine is sitting at 80w 22inches and it seems to be struggling!6y ago
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