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What is it about Step-by-Step Tutorials ONLY that some of you people don't understand? This section is supposed to be instructional threads about How To (perform DIY type stuff), not threads about How Do I yada-yada.

I've read anywhere from 5 exchanges per minute - to 1 exchange every 5 minutes. That tells me it's really not that critical! I'm thinking that 2 or 3 exchanges per minute sounds about right. Let's hear what anybody else has to say, how many air exchanges per minute does your ventilation...

Does anyone besides HLG sell just the boards, no driver, nothing else? Well ok, maybe a heatsink. I've looked around some, I just haven't seen it, maybe I've just been looking in the wrong place. Just curious, I would think any major player in the game would be glad to make a few extra bucks...

Some growers use a soil mix containing "Topsoil"; while others insist on using a "Soilless" mix - why? What's wrong with topsoil? What are the Pro's & Con's? Is it just a personal preference, or are there some serious consequences? I'm talking about "Good" topsoil, the store bought kind (in...

I know dimming an HID light will change the spectrum somewhat. Are LED's plagued with this same situation?

When using the dimmer; does the whole unit actually draw less power (from the wall) - or does the unused power just go up as heat build up?

Has anybody checked these out? Or does anybody use them for growing? Wally World is selling a "4 Pack" of 54 watters (that's 216 watts) for $72.00 - WOW! If they're any good for growing, that seems like a steal. Let's hear what y'all think.

I am familiar with the "2 to 1 Ratio" concept - that is - 2 metal halide lights + 1 high pressure sodium light (all of the same wattage) for the veg cycle; then switching to 2 high pressure sodium lights and 1 metal halide light for flowering. This is supposed to provide the "best" spectrum...

I want to take a simple HPS growlight and add an MH ballast and a couple of dpdt switches. One switch for the power; the other one for the lamps (which will be changed). I'm not worried about the power switch; but the ballast puts out a "Starting Pulse" of like 4 or 5 thousand volts. I'm no...

We're all familiar with the collective wisdom stratigy: "Wait till the soil is dry (or light weight)" - then - "Drench it good, untill you get a healthy amout of run-off". But the thought occured to me - is that really the best way? Or is that really meant to be a warning for Newbies who might...

I started out (years ago) changing my HID bulbs after two grows. At some point I went to three grows on a set of bulbs, and stayed there every since. I have read (on this forum) that some growers do as many as five grows per set of bulbs - which sounds a little much! So that got me...

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...

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...

I would like to see the actual wording for the proposition that will appear in the upcoming election. There seems to be so much political bullshit going on that the stories about who will get their way have pushed the actual propositions out of the limelight. So, my question is - what will...

I hear the dispensaries are charging $5. , $10. , $15. , even $20. a gram (depending on quality). That is rediculous, since they are supposed to be Non-Profit organizations. I've never actually crunched the numbers and done the math myself - but I'll bet some of you have! So, here's the...

Okay, I just read the California Cannabis Hemp Initiative 2016 (CCHI 2016). This was the proposed wording that is going to be on the ballot, in the 2016 California election. To tell you the truth, it all sounds pretty good. That is; except the part about home grown for personal use. This...

I enjoy making my own soilmix, for "indoor" use, and the thought struck me - what about "outdoor" use. If my soilmix is "the best" for indoors, would it also be "the best" to fill planting holes with, outdoors? At first I thought "Of course it would". Then I thought "Hold on here, there may...

Using a single light would be easy - just aim it at the center, right? Let's say we have a 12 sq.ft. circlular grow space with 4 150watt Ceramic Metal Halide bulbs to work with. The more I think about this, the more complicated it becomes! I'm no math whiz, so my thinking here is just, sort...

What's it like? What's going on? When does the party get kicked into high gear? So, when they say "Legal", just what kinds of controls are still in place? Tell us all about it! I'm not asking about getting into the "Business" side. I'm just asking about the smoking and personal growing...

Has anyone figured out how to use that thing they show on T.V. Infomercials as a vaporizer? It sounds like it's begging to be tinkered with! They claim precision temperature adjustments in 10 degree (f.) increments, it also has celcius scale - with a digital readout. I ws staring at the...