here's my input..

What does HPS stand for?
High PRESSURE Sodium

Which is for what?
MH for Veg, HPS for flower

What does 12/12 mean?
12/12 = on/off = hrs per 'day' / hrs per 'night'

What does pH stand for?
"power of Hydrogeni" it is actually a measure of the number of hydrogen ions or protons in a solution

Will the plants smell?
Yes. You can't stop them from smelling, but u can prevent the odor from lingering around in the house with the carbon scrubber, or an ozone generator..

What's LST?
LOW STEM Training, stringing the branches to ground, and force the plant to keep low, instead of stretching higher..

What's topping?
Cutting the new growth off so that the plant grows two main colas instead of one.

Who's FIM?
'Fuck I Missed'. An form of topping/pinching where instead of leaving 2 formities, u double or triple the standard amount by the amount of ridges made with the top.

How can I use CO2?

CO2 is used for the foliage. You can provide this by adding the CO2 Blocks to water, buying and watering with mineral or seltzer water, or u can do the yeast to sugar solution in a bottle..
You can get CO2 blocks which dissolve in water and provide high CO2 levels for 8 hour

Why doesn't anybody reply to my 13 new threads?
People gain and maintain interest in certain threads and usually linger arund THOSE threads to build/learn, etc.. They haven't made their way to yours.. If you wait til the time is right and throw yours up, you'll have alot of ppl hittin u up.. As well if its a simple question which you have a feeling that pretty much most of us kno, MOST LIKELY IT WAS ALREADY POSTED.. Doesnt make sense to repeat, most the good info is in the Grow FAQ section..

What's "ppm"?
Parts per million

What's "gpm"?
Gallons Per Minute

What's Rubbermaid?
Rubbermaid is one of the leading corporations in the food and personal storage industry, they make plastic bowls to bottles to bins.
sheist Reviewed by sheist on . I hate the Search function... Sooooo... I was wondering... What does MH stand for? What does HPS stand for? Which is for what? Can I flower with MH? What does 12/12 mean? Can I grow hydro in soil? What's a CFL? What does "CFM" mean? Rating: 5