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Never mind

Pay no attention to me, just having a laugh. :blsmoke: By characters I meant the heroic weed grower who triumphs in the face of the villainous police. Which, ironically enough, is exactly the opposite of what happened to me today. The only thing I can offer an opinion on is that it should...

All hydroponics will yield burnt buds? Seems to be a bold statement. Page 25, right hand side of the picture, you used "tho" instead of "though" Just skimmed the rest, Lots of charts and tables don't make for good stoned up reading.:eyesmoke: Perhaps you could add a few characters, and a...

Few wee problems with some of the plants, any opinions on that or any thing else welcome. Plants are from bagseed, 2nd grow, first one being two sativa's but I only had them for the flowering stage. Getting some practice with seedling, veging and cloning. Plant's are still in veg, don't know...

Bottled spring water :roll: Finally got better pictures, no real need to throw them up now, but what the hell everyone likes pictures :mrgreen:

Just looking at a bottle of cheap water, calcium = 110 magneisium = 24 sodium = 11 potassium = 1 Chloride = 20 sulphate = 24 nitrate = 0.2 ph = 7 Bicarbonate = 377 Total hardness = 386 Would that be alright to use or does that total hardness seem a bit high?

Just had a read through the water sticky, it seems bottled water should be ok to use? How much is an RO setup?

what about the purple leaf stems? picture 1&3. I'm using westland multi purpose compost with perlite (6:1 ratio) I'm using tapwater and There was some water and dead leafs in the base of my propagator(made from green plastic.). I left it on the draining board to dry and the inside of it is white

I don't think so, I don't know when they were planted but they were seedlings on the 24th of April They were watered with 1/2 ml of biogrow around the 27th of May and 1ml of bio grow on the 6/6

I'm using BioBizz Bio grow, Do I use more of this to correct the phosphorus deficiency or do I use something with more phosphorus in it.

Sorry for the blurry pictures, All I have is a cheap microscope camera. Purple stems and older leaves curling, Phosphorus deficiency? I'll try and get better pictures later

Cheers, That would make it 12 weeks in flowering, about right for a sativa.

Sorry about the quality of the photo's. The microscope is new, I'm not too good at using it yet. Do these look like they've a bit to go yet?

Where are all the experts anyway, I didn't come onto this forum to give advise. :lol:

Post #6 guy uses a 260cfm to cool 2 inline 1000w hps' http://www.gardenscure.com/420/lighting/129603-1000w-hps-big-decisions.html going by that, a 240 on each should work, his circumstance might be a lot different that yours though, or it might be the same. Unless an expert show up to advise...

Just to clear up another thing, as far as I know, a sealed room has no intake or exhaust, no air comes in or out. So your room wouldn't be a sealed room. So you don't need Co2. There should be 300ppm(parts per million) in the air you take from outside. However, an optimal C02 level (depending on...

Aye, and if your buying a fan with that cfm, it should have a suitable carbon filter to go with it. I don't know exactly what cfm of a fan to use on the lights, I suppose 10' length by whatever diameter of ducting you use, I'll assume 4" duct, that's only 3.4 cubic feet to clear. I don't think...

These are all for passive intake(exhaust fan only) Using the same link, to calculate intake =390cfm*.5= 226inches square. which is one 16" intake or four 8" intakes. Some other people like to just use between 1.5 to 3 times the size of the exhaust. Others like negative pressure in the box...

I'm only new to this myself, but I think you want to fan to pull the air through, not to push it. So in that set-up, you would want the fan here-ish. Also, you want to cut down on bends, so moving the carbon filter like that helps. I made a cfm calculator from post#6 here...

Thanks lads