General Hydro question/yield question

K

kamikazi89

Member
there are 16 plants on the table though. I thought the rule of thumb was 50-100w per square foot? I am using reflective material. for the 1000 how far should the light be from the canopy? I know the whole hot to the hand thing but is that really accurate? ill put some pics up later tonight so everyone can see how the babies are doing.
 
Neumann

Neumann

Active Member
To the OP, it's pretty much impossible to predict a yield on a first grow, too many variables. What you do, is keep track of everything you do, be patient and grow and see what you get. If it's not as big a yield as you wanted then you can ask more specific questions. It's not always about more plants but more about veg times.
That being said:
If I took 16 rooted clones, flipped to 12/12 at 30 days in* and got less than 3/4 ounce per plant under 1000W, I'd be very disappointed. I'm just giving you the least you should expect.

*I clone, veg and then flower on a 30 day perpetual.
 
K

kamikazi89

Member
Neumann said:
To the OP, it's pretty much impossible to predict a yield on a first grow, too many variables. What you do, is keep track of everything you do, be patient and grow and see what you get. If it's not as big a yield as you wanted then you can ask more specific questions. It's not always about more plants but more about veg times.
That being said:
If I took 16 rooted clones, flipped to 12/12 at 30 days in* and got less than 3/4 ounce per plant under 1000W, I'd be very disappointed. I'm just giving you the least you should expect.

*I clone, veg and then flower on a 30 day perpetual.
Click to expand...
Yea I want to get at least an O from each plant that would be nice with 3 being awesome. I have been in veg now for a little over a month now. A couple days over a month now.
 
panhead

panhead

Well-Known Member
kamikazi89 said:
there are 16 plants on the table though. I thought the rule of thumb was 50-100w per square foot? I am using reflective material. for the 1000 how far should the light be from the canopy? I know the whole hot to the hand thing but is that really accurate? ill put some pics up later tonight so everyone can see how the babies are doing.
Click to expand...
The wattage per sq ft is meaningless in my book & is a very generalized ratio used to give new growers some idea of where to start,the variables within each growers total grow op play a much larger role,light intensity at leaf surface is the most important factor in any grow no matter the wattage.

The "hot to the hand " method is ok for a quick guesstimate but i prefer to measure exact temps at the canopy,i never let my canopy temp get past 80 degrees,my canopy temps range between 75 to 80 with the daily temps somewhere between the two.
 
K

kamikazi89

Member
that is about were my temps stay at my canopy. What I don't have though is a light meter. Is a light meter something that will be needed for better growing to make sure the light is the right distance or what ever you need it for?
 
panhead

panhead

Well-Known Member
kamikazi89 said:
that is about were my temps stay at my canopy. What I don't have though is a light meter. Is a light meter something that will be needed for better growing to make sure the light is the right distance or what ever you need it for?
Click to expand...
For me a light meter is 2nd in importance right behind ph metering,it helped me understand how light fades at distance because the meter picks up very slight increments that my eyes cant see.

When i 1st got my meter i used the shit out of it testing differences in light penetration with all the different wattage lights,the meter showed me alot of shit i would have never seen,seeing with your own eyes just how much difference a quarter inch can make is something all growers should be able to do,with a meter they can.

For the record my light meter showed me that for my grow style 600's gave better penetration over the 1,000's i was running,after switching to the smaller lights is when i started getting well over a gram per watt due to the decrease in distance from the light.

All my testing is done but i still use the meter every grow,mainly for adjusting buds,branches & fan leaves,i use the meter by holding it near the bud branch in question then i move the meter around the general area to be sure all branches are in the best possible location,sometimes moving a branch a half inch to one side can double the light intensity that branch will recieve.

You should be able to pick up a cheap hydrofarm model at your grow shop for a $20 spot & its well worth the investment & then some.
 
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