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I can purchase a 1.2 x 1.2 x 2.0 tent. Cheaper than the 1.0 x 1.0 model. But I read that the area is on the outside limits for a 600w light? I must be making a mistake with my sums. The article you posted the link to (above) gave a set of rules and equations to find the perfect Cubed Feet...

That rule of thumb is different everytime I read it. I read that 600w is enough for 15 sq ft (105cm x 105cm). Much of the information I am receiving is contradictory. I thought that 1.2mm x 1.2m may be a touch large for a 600w (specially an old 600w). Isn't it better to have a little too...

Obviously I'd rather buy once - than buy cheap and go through all the trouble of beakdowns and, inevitably, buying a replacement that's better. Why ? Are my choices ringing alarm bells?

Why do you dislike air cooled hoods?

Would you also use an air cooled reflector as well as the inline extractor?

No. Just 1 x 600w in a 100cm x 100cm x 200cm tent (the 2nd ballast doesn't work so I got one ballast, one reflector and 3 x 600w bulbs for £58). I need 150 m cubed per hour - there are 4in fans sets available that extract 180m cubed per hour (£47) or 5in 185m cubed per hour (£45)...

Making oil isn't my primary concern. I want to grow as much as possible as a decent strength bud - but I'd like to use the trim (and lesser buds) to attempt the butane extraction of Honey Oil. Afghan#1 is recommended in Greg Green's Bible. CH9...? Is that a brand or seed bank? (I'm more green...

So you'd strongly suggest that I had the full ventilation set up before introducing the cuttings? What about the 'air in' part?

I never said I wasn't a stoner. In my late teens/early 20's I lived for ganja. Travelled to Thailand, Philippines, India, Morocco and Amsterdam (many times). I once prepared a grow room but backed out when a series of raids effected many of my circle and even confiscated the cuttings that were...

Is that a genuine type.... After a 20 year absence I return to find Pineapples and Bubblegum, AK47's and even Cheese.... so I'm genuinely asking

I want a strain that is quite short (indoor size limitations) with a good yield of buds. The more potent the better - obviously, and I would like to try and make honey oil (butane extraction) so a resinous strain would be useful. Plus I am an absolute beginner so I'm wanting something that's...

I have a 12" fan that I will make do with for the first 4 to 6 weeks. I can see CoolTube Reflectors for £28 on e-bay (ma be the best option for the 2nd ballast?). I'm going to have to buy the in-line fan and carbon filter a month, or so, into the grow. The in-line fan .... Does it control...

£55 is the cheapest I found. They're available everywhere but they are super- low budget. AND you'd still need a spare bulb. This has 3 Sylvania 600w bulbs (2 brand new) - they sell for a minimum of £20. PLUS most of a 2nd ballast. You need a second bulb, when you grow. If the bulb breaks at...

http://www.ebay.co.uk/itm/600w-Lumii-Dual-Spectrum-HPS-Grow-Light-Kit-for-Hydroponics-Plant-Quality-/111193950850?_trksid=p2047675.l2557&ssPageName=STRK%3AMEWAX%3AIT&nma=true&si=uuDoWRsM31MUCmnUyCfG0tA9ujY%253D&orig_cvip=true&rt=nc This is what I've bought - plus a second ballast and plug...

That's how Christianity perpetuates itself. Family and peer pressure to accept the indoctrination of a bronze age system of middle eastern superstitions. For people who actually do start to study Christianity it's not long before large sections of it's history and the Bible are revealed to them...

There's a long white cord between ballast and bulb holder/reflector. A black cable from ballast to plug. The bulbs were £20 each and I was offered the lot for less than £70 - with postage and everything. It's on e-bay

Jondamon, You star! Already worked out just under 90 Cubic Feet per Minute (or 150m cubed per hour). I'll read the rest tomorrow. I've just bought The Cannabis Grow Bible by Greg Green which goes into great detail about all kinds of things BUT doesn't say much about ventilation. I intend...

Today I was offered a Lumii 600w Duel Spectrum ballast with reflector and 600w Sylvania HPS bulb (plus 2 unused Sylvania HPS 600w bulbs and a part ballast - that needs the cable and bulb holder to complete it - it already has the electric cable and power unit/ballast). I was offered it all at a...

Hello, A 100cm x 100cm x 200cm grow tent, with a 600w HPS. What ventilation would you recommend...