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ToKnoIsToGro
04-23-2006, 08:47 PM
1) Using miracle grow potting mix with continuous realease plant food?

2) Using a 2,700 lumen (42 watt) CFL-like bulb (does not label itself as CFL on package but is similar to other CFL's) for 1 sq.ft. of coverage?

I have checked the FAQ's for answers to these questions.

Powder Puff
04-23-2006, 08:54 PM
No.. No no on the Miracle grow.. BAD BAD choice of soil..

And, you need one or two more CFL's.. the more the merrier:D

busteruk7
04-23-2006, 09:03 PM
no no no no on the miracle grow soil as it releases nutes for about 3 months not good for ya plants at all
cheers all :)

ToKnoIsToGro
04-23-2006, 10:13 PM
oh, whew. Im glad i held off on that then. So i should get some 20-20-20?
Are the lights i mentioned at first then the same as CFL's?

GrowinGreen23
04-23-2006, 10:38 PM
how many plants you planning on having, NO TO THE MIRICAL GROW, i use CFLs now liek the ones you get at HD right the 42watts equal to 150 watt output!?!?! i have three and i feel that they are good for three plants which i have but i could use more

ToKnoIsToGro
04-23-2006, 10:46 PM
Yes, precisely 42W, My friend has one plant. Should he use 20-20-20? What about steer manure?

busteruk7
04-23-2006, 11:07 PM
Yes, precisely 42W, My friend has one plant. Should he use 20-20-20? What about steer manure?
no you should use something more to an NPK-14-6-17
canna terra vega is 14-6-17 and that is a widely used ganja nute
i use this and i havent had any prolbems yet with it,
cheers all :)

DoctorFeelGood
04-24-2006, 12:27 AM
MG soil and nutes are bad for any indoor grow. As they said the soil is auto feeds for 3 mths and the MG nutes causes salt buildup and acidic soil which is bad for roots.
Your lights are to low of watt. On average you want atleast 100watts per plant.
With those lights you will need a reflector film also because such little lights will cause mass streching and stress.
DFG

ToKnoIsToGro
04-24-2006, 12:36 AM
i thought it was all about lumens rather than just wattage. Is that incorrect?

DoctorFeelGood
04-24-2006, 12:39 AM
i thought it was all about lumens rather than just wattage. Is that incorrect?

Well you are correct but a 42watt will never put out enough lumens but a 100 watt light will put out enough.
Of course I figure anyone in a grow forum will know the correct spectrum of lights they need.
Perhaps I should watch how I word my statements.
Thanks
DFG

ToKnoIsToGro
04-24-2006, 12:42 AM
This particular 42 watt puts out 2,700 lumens

GratefulDead4ever
04-24-2006, 12:43 AM
correct me if i am wrong but i believe the nutes also stunt the growth of the plants i believe i read that in here i think

DoctorFeelGood
04-24-2006, 12:49 AM
This particular 42 watt puts out 2,700 lumens


Well break it down like this a 100 watt MH bulb is about 9000 lumens.
Your 42 watt bulb is only 2700.
A 400 watt MH bulbs give about 55,000 lumens.
Do the math.
DFG

Also let me add that alot of your light will be lost just plain facts your lights are to low to produce good marijuana.
Dont get me wrong it will grow but you asked questions and I am trying to help you out.
DFG

ToKnoIsToGro
04-24-2006, 01:09 AM
No no Dr.FeelGood, by all means. Please dont mistake my posts for disbelief. I just want to make sure i understand. I have seen people state that the have stuff like 40K and all that. I read somewhere one here that max lumens beneficial was like 4,000 lumens per plant. And that 3,000 lumens was good. Please to enlighten me? what does MH bulb stand for?

DoctorFeelGood
04-24-2006, 01:48 AM
No no Dr.FeelGood, by all means. Please dont mistake my posts for disbelief. I just want to make sure i understand. I have seen people state that the have stuff like 40K and all that. I read somewhere one here that max lumens beneficial was like 4,000 lumens per plant. And that 3,000 lumens was good. Please to enlighten me? what does MH bulb stand for?

Hi Tok
MH stands for metal hilade. Its great for the veg stage of MJ plants.
I use MH for seed/veg then go to HPS(High Pressure Sodium) for flowering.


Ok Tok let me say it like this your lights arent bad if you use about 7-8 of them.
The reason is if you just have 1 at 2700 lumens then you will only be getting about 1200 lumens on your plant if that and the rest will be lost.
You will need to spread 7-8 42w 2700 lumen bulbs around your plants.
The good thing is they dont get very hot so you can put em pretty damn close to your mommas.
With 7-8 of them I would say you can grow 2-3 plants with great results.
DFG

GrowinGreen23
04-24-2006, 02:43 AM
i believe you are both right i just feel that DFG is saying that you can still use twhat you have but it's better if you get more of them to increase your light area. you want to make sure all leaves are at the ability to perform photsysthesis. One light will only cover the top of the plant and not extend to the rest of the leaves, PERFERBLY you would want a better light source like HPS,LPS, or MH bulbs which require more power and create more heat and obviously more expensive. I chose a CFL system because i'm poor and i am only dealing with a few plants, limited space, and i'm a new grower. Maybe later i'll get something better

ToKnoIsToGro
04-24-2006, 03:46 AM
I see. What then is the most amount of lumens that u can put on a plant while it still being beneficial?

GrowinGreen23
04-24-2006, 05:22 AM
the more the better this is why people get lights that are the right spectrum of light and have high lumen output the include the named bulbs above