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Back to Grow Questions
Luces en floración
IMCAGrower
started grow question 5y ago
Should I remove the CFL bulbs or can I add them to the 400w sodium? I don't have heat issues.
Solved
Week 5
Setup. Lighting
1 like
GMSgrows
answered grow question 5y ago
Good to leave any light you have, but I would recommend placing you HPS horizontally for max light to the canopy. Cheers
3 likes
Complain
Selected By The Grower
Hashy
answered grow question 5y ago
If you have no heat problems then leave them in
1 like
Complain
SpiderMite
answered grow question 5y ago
Sure leave them. Just don't break them they have mercury in them. Toxic stuff.
1 like
Complain
Similar Grow Questions
Solved
DimiTryCool
The distance between light and small plants
Hello everyone ! ?The other important question: What distance between my tittle plants and LED lamp i need to maintain in first ,second week > ? Thanks for support)✊
Week 1
Setup. Lighting
6y ago
1
1
Solved
CannaJkee
Сколько ватт на 1 кв.м LED
Can you tell me how many watts of LED light are needed for 1 square meter? What's the minimum, what's the norm, and how much would be bright enough to really see? The lights are 500w for 100x100cm LED. TENT 300x300, and how much exhaust ventilation is needed in cubic meters? I'm planning on using TD Silent.
Setup. Lighting
Setup. Ventilation
6y ago
1
Solved
Vegas_Kind_Budz
Is 1’ away good for now? Personal experience opinions welcome
Ok Guys. My plants are 6 days old now. And I have them under this 72w light that is about 12” away from them. Is it ok to have it this close? I was considering to move it closer before moving to the hig light. Thanks for the opinions guys!!
Setup. Lighting
6y ago
1
4
Solved
DabNinja710
I have a mars hydro 2000tws. My question is what hight should I have the light at seedling, veg, and flower stages. Right now its about 24" from the plants.
Week 1
Setup. Lighting
6y ago
2
5
Solved
Dankbudz1
Hps
Is a 600 watt hps suitable for a 80x80x160 grow tent or is that over kill thanks
Setup. Lighting
5y ago
6
4
Solved
Vegas_Kind_Budz
Hey guys! Two big newbie questions here!
When should I start adding my nutrients? And when should I switch to using my 500 W LED light.The plants are about nine days old, and I'm going to use Cal-mag with Flora trio.Currently using pH balanced water, and currently using a 72 W light since germination. Time for 2nd Gear?
Plant. Other
Setup. Lighting
6y ago
5
5
Solved
guerilla
Darkness before harvest?
So is there really any benefit to give a long period of darkness before harvest? Once again, I'm on the fence with this...
Week 18
Other. Drying
Setup. Lighting
5y ago
16
11
Solved
ganzigunnu
light period
I always start with 24 hours of light then I switch back to 18/6 around second week. Dont know why im doing this. do you think it's okay?
Week 1
Setup. Lighting
5y ago
4
4
Solved
versace_grow
23w CFL or Sun for geminating?
Is 23w domestic 2700K CFL enough for germinating? Better putting them outside under a dome?
Week 1
Setup. Lighting
Setup. Seedling
Setup. Outdoor
7y ago
1
5
Solved
KaptainKronicX
How to keep room dark during flower?
How important is it to keep the plants in COMPLETE darkness during lights off during flowering? Thinking of running some ducting with cut-to-size furnace filter out the vent hole on the side of the tent which supplies air right now. Will that be enough?
Week 1
Setup. Lighting
6y ago
4
4
Solved
Green_Man_420
Light intensity
My plants have been looking sad for a couple weeks. Tried everything then the other night I turned my light down to 40% giving a DLI of 28 they perked right up with 24 hours. I have now put it up to 60% giving a DLI off 39 will this be ok or should I keep it low. Week 2 flower.
Setup. Lighting
3y ago
1
2
Solved
PREPPYPUNK
JUST PLANTED GERMINATED SEEDS. DISTANCE, LIGHT SCHEDULE AND LIGHT POWER? PLEASE HELP! THANK YOU!
I JUST PLANTED GERMINATED SEEDS TAP ROOT DOWN AND LIGHTLY COVERED, WILL KEEP DAMP. WHAT IM WORRIED ABOUT IS LIGHT SCHEDULE AND LIGHT STRENGTH AND DISTANCE. ITS A MARS HYDRO TSW 2000. I HAVE IT AT 40% POWER AND 24 INCHES FROM SOIL. 12/12 SCHEDULE. DOES THAT SOUND COOL?
Setup. Lighting
Germination. Other
6y ago
4
5
Solved
Chaweeder
Are all Amazon lights Garage,
I wanna buy some pretty descent LED lights, but dont have tons $$$$ my plan is eventually to get up to 20 autos in 1 room? I dont wanna spend 1500$ per light, but 500$is ok. I will buy more of these 500$ lights to fill up my 8X12X8 room, a few at a time, I dont wanna buy crap
Setup. Lighting
6y ago
4
Solved
Tryna_grow_Tonya
Changing lights
Just finished my upgraded grow space, Im going from dual spectrum hps to full spectrum LEDs, I have a couple of plants in flower in the old grow which I'm planning to dismantle, now is changing lights during an issue or?
Setup. Lighting
6y ago
1
1
Solved
wmggg
auto or not?(preflowering stage)
Not sure she's an auto or not Pre flowering stage or Actual flowering stage Shitty led 24/0 til week6 Changed to 100w led
… Show more
Other. General questions
Setup. Strain · Autoflowering
Setup. Lighting
5y ago
1
1
Solved
Odin9
Spider Farmer SF-4000 dimmable
Hi how high should i hang and how much dim %?? whit spider farmer sf-4000 dimmable for seedlings g ?? Nice if some now for veg and flower too ✌️
Setup. Lighting
5y ago
1
1
Solved
Skinnytalls420
Hps to LEDs
Since I’m trying to answer so Many question to best of my ability!!!!! I thought I would ask one myself I’ve got 2 600watt hps lights and my autos are about to bud I’ve recently got 2 tsw2000 mars hydro do you think I’m okay changing them other to the leds? What will be the outco
Setup. Lighting
5y ago
6
5
Solved
Sup3rNov4
LED Wattage confusion!?!?!?!?!
In a few days, I will be putting these into a 4ftx4ft grow tent. Im a little concerned as my Lights say 1000w but on further research, it says actual wattage 140. does this mean I only have 280w and is that going to be enough?
Week 3
Setup. Lighting
6y ago
2
2
Solved
Kikiwindsurf
Luz complementaria ? // Extra lighting ?
Should I complement my cannapy with a CFL 250 watts White light? They are 8 hours Direct sunlight!
Week 1
Setup. Lighting
7y ago
1
2
Solved
4LBuds
Light watt
Ts1000 150 Watt mars hydro. Will this grow 3 plants?
Setup. Lighting
2y ago
1
1