How much light is too much

hoady

hoady

Active Member
whats the max light i can throw into a 2mx2mx2m room
currently running
4 600w HPS no heat prob, everything fine

im sure some1 here knows the light working outs?
 
put it in there and turn it on and add plants...is only way anyone knows. we dont live with you so all will be a guess.
 
never could be too much light unless it causes too much heat. If heats no issue than u can put as many lights as you want as long as ur temps remain sane. The more light penetration the better.
 
highly doubt you will reach the point of having too much light, but to those who dont know, yes it is possible. It will bleach your leaves. Again, i doubt you will get to this point with your setup though.
 
the real question is how much light u can fit into a 2m2m use cool tubes in parralel and as many as u can fit sounds fun to me
 
ok so you show a huge wattage fan but what cfm...or is that the cfm and not watttages.

ok room is 200 cubic feet. then need to add for hose lenghts and heat from lights. so about double the room cfm. id at least recomed a 450 or so cfm fan, or id think id see heat issues.

multiply the width by length by hight. that shwos what cfm the room needs. to start with, thhen the lighting and hosing adds more
 
Medi 1 said:
ok so you show a huge wattage fan but what cfm...or is that the cfm and not watttages.

ok room is 200 cubic feet. then need to add for hose lenghts and heat from lights. so about double the room cfm. id at least recomed a 450 or so cfm fan, or id think id see heat issues.

multiply the width by length by hight. that shwos what cfm the room needs. to start with, thhen the lighting and hosing adds more
Click to expand...

allvent 312 is 300mm 190 watt airflow 450/L second

inlet>>> 150mm inline fan and 200mm centrifical fan

in the room 2 450 fans

max temp gets to 32 degress

ive added another 400 watt HPS

ive been swithching that on when all lights come on and leave on untill it reaches 28degrees, but if i leave it running temps will rise to 32degrees
 
89 is to hot. not much but is. i dint like goin over 84 degrees.
that dont make sence if you leave the fan on it gets hotter. something not right then. like all them fans are to many are are fighting each other. and what is the 2 inside room..450 ...i dont get the in room part. oscilating is usualy in room fans and the others to exhaust it
seems you have more air goin in than out...needs to be other way around. want negative pressure to keep smells in and remove the hot air. i see this as 300 mm out and 350 going in.
 
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