get a antisiphon valve
or also know as a one-directional valve
i tryed finding link to one but could not find but here is link explaining said valve
http://home.howstuffworks.com/question166.htm
no need to take it to far you ask where my knowlage came from so i ask you
been growing 10+ myself very small grows
and still fuck up cheak my grow out and you will see my poor girls in about 100% ph lockout
but new girls are in and looking great and will be better then current or should...
https://www.rollitup.org/indoor-growing/150887-new-grow-room-pictures-almost.html
cheak it out
may be quite a bit more then what you are looking for but a great setup in a shed about same size as yours
link posted right above your post
and Mcgician you seam to give much more advice then me
so where does all your knowlege come from
i would love to see pics of your grow
http://www.icmag.com/ic/showthread.php?t=51325
pico started the test he layed down the basic idea behind it
2or maby even 3 well exp grower also added alot of test useing his lay out
all the info is in the thred
but basicly set diffrent reflectors at 12"18"and 24 " made 16-24 marks on...
there is thred on icmag where a ass load of refector were tested and this one came out on top
http://www.growlightexpress.com/grow-light-reflectors-4/super-sun-2-reflector-43.html
the one you have posted was not done but a assload was and the super sun was beaten by none
was wanting some cuts from cail.
how hard would they be for a out of towner to get whith no med card.
i have read ways on abuseing 215 and getting a card but does not seam right for the cause of 215.
so if i had a week to spend in cail what would be the chance of me getting clones of...
i would 110% like to call bullshit
i was like ok maby but after you could not show finished plants or even end results come on
he is doing 10 times avg and can not prove it
smells like it looks like it
MUST BE SHIT
option1
use a 200 gallon res and chiller and you will get better results then useing your pool
or even just have chiller inline so after leaveing pool water runs through chiller droping water 10 degrees or more before entering light setup
option2
use a window shaker on a closed circit and...