Search results

If you can easily cool your flowering area than go for it - those lights are going to give you a loooot of heat (ballast plus light right above your plants) - but in most grow situations these would be too hot.

Look for a small light source entering (or worse inside) the grow space from the closest side to your slower plant.

check out riddleme's balls to wall grow and other threads and maybe you could grow your nut of weed with a 400 watt ceramic metal halide.

You want cfl's to be two to three inches from the plants at all times - meaning you have to move them every day to keep them at the right distance. Try to have a bulb for each cola during flowering if you want them turn out well. Edit - other than light distance causing a little stretching you...

Check out the grow room tutorial in the link below - it's for a room instead of a tent but lots of stuff is still relevant - pick and choose what fits your situation.

Here's the arcane info, unverified but sounds logical, as to why hps par watts deliver more useable light than an equivalent number of mh par watts: . Again, it's just info that would support your infrared theory even if the growth is just equal to a 600 watt hps.

Thats a wild watt/par watt ratio - is the cmh particularly cool in temp?

If you have a medical card and money is not an issue, then it's a simple question of whether it's the type of hobby you'd enjoy. Never thought I would as in attempts to grow other things I had a brown thumb, but the lure of producing superior smoke and the sense of accomplishment when achieved...

It's great to be back on a thread where everybody gets along. How's it growing? Missed this the first time - - how many tips do you have at the top of the canopy?

Ah, the light bulb has finally come on, so to speak. FYI - based on limited data, in my research in lighting for cutting edge wavelength specific info a 600 watt hps puts out something like 200 PAR watts while a 400 watt mh(no cmh but reason to believe it has similar PAR watts) has about 150...

Welcome to riu and growing.

Wouldnt you expect a 600 watt hps light to out perform a broad spectrum 400 watt light in flowering, all other things equal? Even if the cmh was better on a per watt basis it's probably not going to overcome a 33% deficit in power, no?

You want the thermometer Under the light at the top of the plant canopy, but shaded from direct light. If you let the light hit the thermometer you will be measuring the combination of radiant heat and air temp, and the air temperature guidelines are for air temp only. To get the right radiant...

Just an update on the experiment - between house guests and an empty vegging room the experiment is on hold until mid august/September. When I start back up I'm going to be using home brewer's suggestion of safe ale yeast to see if it can save some money compared to baker's yeast.

FYI - you measure air temp with thermometer shaded from direct light, so your temps are probably actually lower than 79

Read the first link below for a blow by blow description from seed to smoke

One warning - dual hose air conditioners take some room air and send it through the exhaust - I have no idea why - so you need to be concerned about possible smell issues.

Check out the grow room tutorial in the link below

You just can't do that - as little as a minute of light can disturb the flowering process.

I guess I'll just take this as fact and proceed accordingly. Troll.