250w HPS Club And Help Guide

hempstead

hempstead

Well-Known Member
chaz Mcspaz said:
I rock a 250 watt hps that i got from home depot. I freaking love it. I use it over my 600 watt. I also do a scrog that i built in a 4x2 tent. Still trying to get yields up, but i know with each grow yields are going to go up.
What should i expect from a 250 watt hps at full potential?
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I bet once you get it down you can get close to a gram per watt in a scrog.
Gregor Eisenhorn said:
Hi guys, can I join the 250W club? :D

First time doing a serious grow actually. The beggining was hard, because I think my plant got rootbound and that in turn caused super slow growth (could also be the humidity). Things are starting to pick up from now, really hope that she'll start growing faster, because at this rate I'll be waiting until next year haha.

I keep my light about 30cm above my plant. Can't get any lower than that I'm afraid. At the moment I'm pleased with the 250W, using a dual spectrum bulb by the way.
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I have an air cooled hood for mine and my plants can get close as 4 inches away. 30cm may be a little too far for flowering plants.
 
Anon Emaus

Anon Emaus

Well-Known Member
Hey guys was really glad to see this post, i'm joining the club next week my 250w will be here in the mail! Heat maintenence is why i held off but i figured since it's the winter now I won't have an issue.

I currently run 1 plant in a 5 gal dwc with cfl's. My first grow was this summer with 168w's and I pulled 3 oz's on an unknown bag seed strain. Bought some Blue Mystic seeds from Nivana(very frosty and good lookin, but very skinny buds, looks like quite a light yeilder, even running 233w now) and am a few weeks from finishing flower on the first one, i'll use the 250w to finish it off(hoping to fatten up my skinny cola's).
 
Anon Emaus

Anon Emaus

Well-Known Member
Got the light all set up, fuck does it burn your eyeballs(I'm use to my CFL's). For anyone currently using CFL's and growing in a space that you can exhaust a little I say don't worry about heat(that was my fear with switching to hps with all the heat talk, of course that's mostly with higher wattage ones). My closet(i keep the door open) stayed exactly the same temperature with the 233w of CFL's as with the 250w HPS and still running a 42w CFL. The only difference is I have a 6" clip fan blowing across the HPS bulb from behind and a 6" clip fan in front then blowing that warm out of the closet door. With the CFL's i just had a fan blowing against the corner of the one wall so that air would circulate around.

It'll be interesting to see how much of a difference it makes in these last couple weeks, if it's significant enough I'll share some before and after pics.
 
Gregor Eisenhorn

Gregor Eisenhorn

Well-Known Member
The temps from the HPS are huge compared to cfl's. I didn't believe this could be real, but after the first two minutes of usage I came to know how wrong I was. :D I'm hoping that one day I'll eliminate the need for a oscillating fan inside, because it takes a lot of space in my already crowded grow box... but without it, the temperatures in the space of five minutes shot up to 38C!! Damn that's hot, but I scared of hoisting the HPS higher than it already is. Just got myself a humidifier and I'll have to experiment with it and see if that's going to deal with the temps enough to switch of the oscillating fan.

Although I'm looking into building a DIY cooltube... damn that would help. :D
 
TheStickMan

TheStickMan

Well-Known Member
Gregor Eisenhorn said:
The temps from the HPS are huge compared to cfl's. I didn't believe this could be real, but after the first two minutes of usage I came to know how wrong I was. :D I'm hoping that one day I'll eliminate the need for a oscillating fan inside, because it takes a lot of space in my already crowded grow box... but without it, the temperatures in the space of five minutes shot up to 38C!! Damn that's hot, but I scared of hoisting the HPS higher than it already is. Just got myself a humidifier and I'll have to experiment with it and see if that's going to deal with the temps enough to switch of the oscillating fan.

Although I'm looking into building a DIY cooltube... damn that would help. :D
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Have you got any extraction mate?
 
Gregor Eisenhorn

Gregor Eisenhorn

Well-Known Member
Definitely, although it's about 64 cfm/130 m3/h... so that could be the problem. Also, my cupboard is just 59x48 and the reflector is huge as well, which probably hinders the ability of the hot air to travel up.
 
Gregor Eisenhorn

Gregor Eisenhorn

Well-Known Member
In case anyone was wondering, spraying your girls with water when a 250Watt HPS is hovering around 25cm above will NOT result in burnt leaves. A lot of people suggest that spraying with lights on could cause such damage, although they never specifie what light they are using. Anyway, 250Watter is good to go.
 
Turtlehermit

Turtlehermit

Well-Known Member
Enwhysea said:
I would suggest topping the living hell out of it. And a lot of bending and pinching because your light won't penetrate very deep. So you want a wide plant with lots of tops
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Do you guys really have to top your plants under the 250watt just to get dense, non fluffy buds? Gosh! that would suck because I hate topping. Not saying I don't, but I don't like to on my best.

A single cola plant is said to produce fatter more oily buds.
 
Gregor Eisenhorn

Gregor Eisenhorn

Well-Known Member
Well.. my guess would be that if you don't spread them colas out a bit, the lower ones won't get enough light to become proper dense motherfuckers.

Although I'm sure someone here has a journel were there's no topping involved. You could somehow add more lights to thre sides to encourage lower bud growth.

And it also probably depends on how tall your single cola plant is.
 
innerG

innerG

Well-Known Member
Turtlehermit said:
Do you guys really have to top your plants under the 250watt just to get dense, non fluffy buds? Gosh! that would suck because I hate topping. Not saying I don't, but I don't like to on my best.

A single cola plant is said to produce fatter more oily buds.
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That's a load.

Topping lets you get more yield from the same space.
 
Turtlehermit

Turtlehermit

Well-Known Member
I'd prefer to just tie the plants down and let the branches get more attention. Topping is more for space convenience than weight I would think. But, we live and learn.
 
TheStickMan

TheStickMan

Well-Known Member
Turtlehermit said:
Do you guys really have to top your plants under the 250watt just to get dense, non fluffy buds? Gosh! that would suck because I hate topping. Not saying I don't, but I don't like to on my best.

A single cola plant is said to produce fatter more oily buds.
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I'd say it is strain dependant, but topping is always going to win. You're never going to grow one 9ounce solid cola under a 250 lol
Get your scissors out pal.
 
Turtlehermit

Turtlehermit

Well-Known Member
IMHO and only my opinion I believe it doesn't really make a difference in terms of yield, its seems to be a matter of a bunch of small buds as opposed to fewer larger buds, and lets face it the big ol juicy buds always seem more desirable. Just my .02 :mrgreen:
 
innerG

innerG

Well-Known Member
Turtlehermit said:
IMHO and only my opinion I believe it doesn't really make a difference in terms of yield, its seems to be a matter of a bunch of small buds as opposed to fewer larger buds, and lets face it the big ol juicy buds always seem more desirable. Just my .02 :mrgreen:
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Well all of my experience is the absolute opposite.

You will always get a noticeably better yield with a topped/fimmed plant vs. a single cola. Having multiple tops lets you pack the canopy like you never can with single plants. If you lollipop the larf off of the bottoms, you can get a dense even canopy and get far more from your light.
 
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