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buckets buy you height and the ability to move plants. they are better than tables in most every way, though they take a little longer (slightly) to setup. you can also put a table on the floor and use a brain bucket tot he side, same as the buckets, but you still can't move plants around for...

you guys talking about EC? because ppm has 3 common conversion rates, depending on EC. meters measure EC, and then use one of those rates depending on model and manufacturer.

it's more about the state of vigor before flowering than exact mass, due to the faster growth potential during the stretch phase. you'll still need your plants proportional to total canopy size, but exactly where that veg size is depends on how the variety stretches of course.

probably make them squares so that they "loop", to equalize the pressure, might need a regulator on each 1/4 line, or try to make the 1/4 runs all the same length regardless of their target pot, should be pretty easy. you could do the tables separate pumps, separate rezes if you want, or...

wow man obviously you're killing it, so thanks for taking the time to show us. hope you keep this thread going, not sure what it takes to get a thread to critical mass around here but this is a step up on what most people are doing, rock on.

MADNESS, it can't be done! ever tried vertical bulbs between the plants?

if there is an airpump in each bucket they will be.

genetics X environment. edit to expand: you could add a tleast 4 ~40w cfl's around the sides, normally you'd have groomed off a lot of that lower growth that's far away from the light, as it is much weaker than the sun. but overall it doesn't look like a bad setup. the key is never what...

i hope what you are reading is people running soil mixes not feeding initially. and then there are different levels of inert. coco is inert, but tends to grab up a bit of nutes early on, so it's best to rinse it and precharge it. but perlite probably has a lot less ionic capacity, either way...

to common sense? hahahahaha. weed forums. what is your argument? that you don't understand hvac or can't do math? the area of an 8 inch circle is about 100", so a window of about 30" wide would need to be open 6-9", to ya know, have a chance of keeping up with the several hundred cfm of air...

guys guys guys, it's passive, of course it has to be bigger to not be a bottleneck. you can have it way small if you want, but it'll impede flow without an intake fan.

what humidity are you at though? should be like 60-70% at that stage. trying to dry out your soil by dropping the RH even lower will only hurt things.

feed them a little less perhaps, otherwise they look very good, sometimes a top leave or few will just do that. keep the leaves green. maybe 6 weeks to go.

most obvious question is, what is your RH range? if it's too low, like 20-40% during vegetative growth (into early flower), growth stunts in exactly that way.

moisture stress caused by humidity levels being too low.

it depends on how humid your lung room is and how much your light is heating the growing environment, but odds are you need at least something like the http://www.amazon.com/Crane-Ultrasonic-Humidifier-Gallon-output/dp/B001ADL1SG. a lot of people don't humidify their houses in the winter, and...

seems like a complicated way to tell you to use grow nutes during vegitation and bloom nutes during flowering. but if you are absolutely new as shit and just have no idea, it's actually a pretty good effort on their part. but i don't see one of the most important things. environment. don't...

pure blend is a totally different solution. in either case, i believe you have misinterpreted the ingredients based on a single rather misleading line. they should not use the term sugar to represent the salts present in their solution. but there are only salts. the msds is everything...

CNS-17 is great stuff. And there is NO SUGAR in it, it is pure minerals, no organics at all. http://www.botanicare.com/CNS17-Grow-Formula-3-1-2-P61C2.aspx read the MSDS. No you don't need ripe. Stuff works great all by itself, 1-2ec. don't use lemon juice as ph down, that stuff IS organic.

what is your humidity at? looks like it's in the 20-30 range. much too low.