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this is normal, i sit my ballast on two pieces of timber. 2 inches thick one at each end under the ballast, so there is nothing underneath the ballast in the middle for air circulation, i try to keep them outside the grow room as they will run a little cooler. but they will burn your hands if...

ok as long as air can get in the box during the dark period, plants breathe (respire) c02 during the daylight hours, but photosynthesis reverses the respiration from breathing in c02 during light to breathing in air during the dark period. this is why, if you build two grow rooms back to back...

put a blindfold on them for 6 hours. seriously, if they are female plants, they will hermi as they still have the male chromosome alongside the two female chromosome. if they are feminized they will go back to vegging and they dont have the male chromosome only female chromosomes, the male...

depends how big the fan is and how big your room is. insulation is the key. if you have a grow cupboard then put the fan outside sucking air out. if you have a grow room build a cupboard with 2 inch timber and plaster board and insulated it, and put the fans in there, it will be quiet. i...

you dont know how much i appreciate this :-) i will post more pictures every friday and let you see the difference of the bud size on a weekly basis. my temps are around 29c at the tops of the plants.

600w dual spectrum (sunmaster) , 6 lights, 7 plants per light, 42 plant scrog.

hey thanks buddy. here are pictures of my new chronic grow taken on 13/09/13 or 09/13/13 (uk-usa). 33/34 days minimum of flower time to go. that will be 57 days minimum of flower 63 days max. the large leaves around the top kolas are turning yellow, hard and crispy, the rest of the plant...

rule number one !!!!!! 1. never grow adopted seeds on the assumption they will grow weed, they may turn out to be males. 2. male plants ( male cromosome) do not produce weed only seeds. 3. buy feminized seeds ( male cromosome removed and have female only) from a reputable dealer (seed bank)...

i fed the flores 4 days after switching from 20/4 to 12/12 and once the flowers were gaining length and started to fill out i started adding canna boost at 60ml per 10 litre. when i reached 2 weeks before harvest date i gave them flores at 1.5 ec and added pk13/14 for 5 days at recommended...

hey thank you very much for the nice comments you dont know how much i appreciate that. i ended up with 32 ounce of amazing weed. every body i knew wanted a smoke of this it was amazing. i wish i had posted a pic of the final crop. i have serious seeds chronic on the go now i have taken some...

neither. with hps you will end up with tall spindly, skinny plants as there is nothing to feed the veg. with dual spectrum hps red and blue light you have the blue to feed the veg and the red to feed the flowers. keep the temps around 18-20c at night to stop them stretching for the light in...

try using this as a guide : http://www.supercircuits.com/resources/tools/volts-watts-amps-converter you will have to caculate it with the voltage and wattage to get the max amp answer. if you are overloading the plug or cable then it will get hot. exension cords must be fully unwound or the...

i thought he was talking about impotence. no kidding.

don't listen to this idiot, use an exhaust fan 1 size higher than your intake fan we need to get lots of cool air in the room with lots of c02 in it, I take it they do not sell heaters in your country you idiot, I use a 12" exhaust and an 10" inlet but my room is exhausting very high up on the...

that is what the nurse will say when delivering a bed bath and trying to empty your artificial shit bag.

you will find out if it is not a myth, after you are visiting the hospital in 10-20 years with throat, chest and lung problems in 20 years and they ask you...... "have you ever been in contact with chemicals" to which you will reply "no, why" ! "just wondered"... asked the doctor !

100x is the normal size hand held microscope with led light for checking the trichomes although 200x is amazing you can see the colour of the trichomes clear as day with 100x you can walk in to a maplins store and buy one for £8. or you can buy a usb digital microscope from ebay 25x to 500x...

if you buy feminised seeds (originally cross bred in a laboratory petri dish by the breeders) and stress them to hell they can grow male and female pistils but if you correct the stress problem the plant will grow accordingly maybe a bit slow with a low yield and a couple of seeds but will...

any chance of some pictures.

no you are wrong ! read dew point in Wikipedia in hot dry countrys that are cold at night where cannabis is abundant there is almost no dew point. the plants grow very tall because of the cold night air up to 18 feet http://en.wikipedia.org/wiki/Dew_point