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So, does the brochure say that it's OK to switch out the bulbs for lower wattage when the ballast is "dimmed"? Or are you supposed to keep the higher wattage bulb in place?

It sounds like you're saying you can swap the bulbs out - but that might not be such a good idea. My question is this - is that what the brochure says or is that just your .02 cents worth?

. Thanks for the reply, Dude! But I'm not talking about LED's, I'm talking about HID ballasts and from what I understand: underpowering HID bulbs will result in severe spectrum changes - sure the bulbs will light up but the spectrum will be way off.

OK, it seems that dimmable electronic ballasts come in two basic "flavors". There's the ones that dim to 50, 75 &100% (plus Extra Lumens). Then there is the other kind - the ones that dim to specific wattages: for example 150 watt, 250 watt and 400 watt. I'm not at all interested in the first...

Where are you exhausting to? Is it just back into the closet, or through the closet door into the room? If you are exhausting to the "outdoors" you should be OK.

Well, like I said, I have very little "knowledge of feeding with liquid salts". I thought I made that perfectly clear. What is also clear is that some of the points you refer to, in the above posts, seem a bit comlicated and tedious. I think I'll just stick with simple organics. Have a nice day!

I grow in my own version of organic super soil (just add water) so I don't really understand all the additives, let alone why the "order of march" would be so important. The OP wanted to know what difference it would really make "to the plants" - and the best you can come up with is; it makes...

Oh good; I thought it was just me!

What the hell are you talking about?

Yea, what he said!

Sorry, I got called away and I forgot what I was going to say - DUH!

Hey Nugget

I realize this is an old, dead, thread. But i thought I'd bring it back so I could have a shot at it! I once had the wise idea to DIY a light mover. Never quite figured it out - but I came up with a better idea. Screw the lights (let them remain stationary) move the plants instead! It was...

Being in Florida (or anywhere else where it does'nt get too cold) you should be alright. If you plant seeds, they will grow under the strong sun for 5 or 6 weeks and be trees. If you plant established clones, they will flower right away and be alot smaller.

Come on, really, nobody?

I'm planning on using 3-4 small HID lights (in an experiment) so I want to go as cheap as possible. I've been checking out everything I can find on DIY ballasts, there are plenty of threads on "How to"", there are also plenty of places that sell the "kits". But the one thing that nobody talks...

Hang on there, young Pada-wan. You are looking at this "problem" from the wrong end! To begin with: you don't really want "fresh air". Stale house air has got more co2 in it, and it naturally sinks into the basement. All you need to worry about is venting the hot exhaust air out - maybe you...

Removing leaves to get more bud is like removing solar panels to get more electricity! Does that make sense?

By strength, I assume you mean "Cooling Power". The rule of thumb for Swamp Coolers is "1 square foot of pad area will deliver maximum results for 125 cubic feet of room space". Of course, that is considering you have "Ideal Conditions": in which case you can expect a 20 degree (farenheit)...

Being in the 50's or even the 40's shouldn't be any problem. Cannabis can survive "Light Frost" conditions occasionally.