please help me

W

whywhywhy

Active Member
hey guys.. i have been buy a clf lamp, and its 2 42w clf lamp.. but i havent already set the lamp, cause i want to ask u guys..

there something i want to ask :

1. i have 2 42watt and the lumens is 2700, is that right lamp for growing ?, its enough for the watt and the lumens ? i just have 2 plants right now..

2. if i connect the lamp into 1 electricity hub ( i mean they separate wiring, but i connect the into double electricity hub ) , and i joined togather and plug into digital timer, its ok or no ??.. ( cause i dont know about limit voltage of the digital timer, so i dont want to try make some terrible happend )

3. how many hours i should set the time for the lamp ? please spesific me.. on= hours, off =hours
 
That isn't much light. Lights shouuld be
on 24 and off 0
or on 18 and off 6
during vegetation stage.
Those are the 2 most popular cycles.
 
You can probably plug in about uh, 1000 W(actual watts) of CFLs or so on a 20 amp breaker branch(8.3 amps+ballasts, you may want to measure the amp draw and gradually increase beyond 500W, ballasts can spike amps). Depends what else you got going on it. Some packages have labels indicated no more than 20-25 lamps per 20 amp(seen on as low as 13 wt actual cfl bulbs) branch.

6500k (daylight) or 5000k(full spectrum) would be better for veg. 2700k is for bloom.

You should use a MECHANICAL timer with most(every one I've seen) CFL bulbs. They often warn against digital timer use for CFL on most grow-bulb sites, and it's often on the package.

You can use many light schedules. 16/8 is very close to real-world. Minor additonal benefits are seen up to 18/6. It's arguable whether 24 hour light is much better than 18/6 or even 16/8 for that matter. Emphasis on much. Plants need dark, some say, during the entire grow. But it's probably better to 24 hr them than to manually adjust lights and potentially forget!

One interesting grow is the 12/12 entirely, sometimes 14/10(or higher) 2-3 week veg and then 12/12 . About 3 weeks to flower, and about 3-6 more until harvest. Very quick seed -> smoke(uh, ~2 months).
 
TeaTreeOil said:
You can probably plug in about uh, 1000 W(actual watts) of CFLs or so on a 20 amp breaker branch(8.3 amps+ballasts, you may want to measure the amp draw and gradually increase beyond 500W, ballasts can spike amps). Depends what else you got going on it. Some packages have labels indicated no more than 20-25 lamps per 20 amp(seen on as low as 13 wt actual cfl bulbs) branch.

6500k (daylight) or 5000k(full spectrum) would be better for veg. 2700k is for bloom.

You should use a MECHANICAL timer with most(every one I've seen) CFL bulbs. They often warn against digital timer use for CFL on most grow-bulb sites, and it's often on the package.

You can use many light schedules. 16/8 is very close to real-world. Minor additonal benefits are seen up to 18/6. It's arguable whether 24 hour light is much better than 18/6 or even 16/8 for that matter. Emphasis on much. Plants need dark, some say, during the entire grow. But it's probably better to 24 hr them than to manually adjust lights and potentially forget!

One interesting grow is the 12/12 entirely, sometimes 14/10(or higher) 2-3 week veg and then 12/12 . About 3 weeks to flower, and about 3-6 more until harvest. Very quick seed -> smoke(uh, ~2 months).
Click to expand...


so i dont allowed to use a digital timer right ? i should use tne mechanical ones ?..

can u tell me how watt of clf i use to veg maybe ? cause i really dont know about lumes, so i think i just follow the wattage..

so what do u think, 24 H or 14/10 ?
 
24h for a week or two, 18/6 or 16/8 for a couple weeks, 14/10 for a couple weeks. 12/12 til it's done.

100-200w are ideal. You can do the same with more of the smaller ones, but they have to get closer and closer to the plant at smaller wattages.

See attached image for comparison. Note: the photonic fields are *basically spheres* Maybe a squashed sphere, like the Earth. Understand?

The 'Peak Range' is basically daylight lux(the edge is approximately equivalent lux of a single 400w HPS at 1 foot below its center).
23wt has a 1 inch peak range
42 has 2 inch
65 has about 3 inch
105 has 6 inch
200 is about 9 inches
250 is over 12"
(all done at 60% PAR)

Basically a single 250w CFL > single 400w HPS/MH.
 

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