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c. map out your grow space – we planned for up to six plants, each 18” in diameter based on our plans in paragraph 5 above: d. Cut holes in walls for ventilation – you can’t make scrambled eggs without breaking a couple of eggs. Remember, any hole you make can be fixed if not needed...

14. Step-by-step on how we prepared our space? a. Choose our space – we have a vegging room but no place left for a flowering room. Our best option was a storage shed that is attached on one side to the house, on another side to the garage, and as said has an exposed south-facing wall...

13. how to plan your ventilation system? Weed likes temperatures between 65 f and 75 f without CO2 and up to 85 f with CO2. The basic decisions on how you construct your ventilation system are determined by whether or not you need to cool the air and whether or not you’re using enhanced...

12. if and how much CO2? CO2 is another important environmental factor for your plants. They need at least the concentrations of CO2 found outdoors (250 – 350 ppm) and can benefit from enhanced levels of CO2 (1,200 to 1,500 ppm) only if the other environmental factors are optimized also...

11. how to choose a good location? a. Security – until the law becomes rational you need to treat security seriously. Minimum requirements for a secure grow include: i. locks and/or stealth location – the closet next to your front door is not the ideal place for a grow room...

8. how much floor space? a. plant space – your choice of light determines how much space you can cover with sufficient light. With our 600-watt hps light putting out 95,000 lumens we can cover 10.5 square feet in a 3 x 3.5 rectangle and maintain our 9,000 lumens per square foot goal...

5. how much light will you need? The amount of light during flowering is the most important environmental factor in determining how much weed you can produce. Weed growing is inefficient below 3,000 lumens per square foot for flowering, and excels in light between 7,000 and 10,000 lumens per...

3. what kind of weed/medicine do you want? You may not know the answer to this before you have a chance to grow, that’s ok. What’s important for room design is the size of the plant you want to grow. From one site: "The sativa high is often characterized as uplifting and energetic...

how we planned, built and equipped a flowering room for personal use only. 1. what is NOT covered in this tutorial? If you’re planning a flowering room with more than a single 1000-watt light, this is not the thread for you, because no one can smoke that much personally, we know...

i assume you multiplied inches, that's equal to 36 xsquarex cubic feet. so if you get a fan that can exchange the air in the tent 5 times a minute that would be a 180 cfm fan.

you need two separate bulbs, one hps, one mh. the ballast is switchable, not the lights

exhaust fans are always more important than input fans - a strong enough exhaust fan will pull a vacuum bringing in fresh air. whether you will need more ventilation is a function of the air temperatures you have to work with and how much heat you're going to add from your lights.

1. do it right with a water pump, reservoir and drip watering system or 2. buy these http://www.amazon.com/6453-Bottle-Plant-Stakes-4-packs/dp/B00164DXG2/ref=sr_1_1?ie=UTF8&s=home-garden&qid=1275934689&sr=1-1 and use 2 liter soda bottles, probably 2 per plant.

burners produce mainly co2 with a little carbon monoxide. but the plants don't use the co2 during dark, and adding a bunch of co2 without controlling concentrations is not going to help and could hurt your grow. you buy them separately but yes, the monitor/controllers alone start at 300 bucks...

sure, start out with little and add more if they can take it. and as for molasses, yes the kind you eat, and you can use it right up until harvest.

down as far as 60 f during dark and up to 75 f under the lights is the range you want. it's usually tougher to cool the room with big hps lights than it is an issue to heat. a really small space heater will keep your temps up to 60 but it takes a lot more than a household fan to cool a room...

new ideas: i didn't mention it before, but all your lighting ducts should be insulated as well. it's a pain, but if you have lights on from 10 pm to 10 am your temps will be much lower and you still get some face time with your plants. old ideas: simple - if the line feels hot it's not...

welcome to riu and indoor growing. the toughest part of indoor growing is getting enough of the right type of light while keeping temperatures under 75 f. everything else is pretty easy. good luck. check out the first two links in my signature below to get some good info on growing.

your plant looks pretty healthy, so no big worries. you're going to get some yellowing as the plant flowers, you just want to keep it from getting extreme. it's very hard to judge how much and what kind of nute to add when your soil has a lot of nutes pre-blended. i would keep up with the...

a. your two portable a/c's are plenty to cool that space and that amount of equipment watts IF they are operating efficiently. several things to help that: 1. use insulated ducting in place of the cheap plastic ducting that comes with the units. the exhaust from an a/c is hotter than the...