prep time: 1-3 hours
items: plastic crates, they are free just ask you local grocer for some
exhaust fan, obtained
from home depot or local hydro store
1 gallon milk jugs with
rock wool or other porous
aquarium pump and tubing,
available from k-mart
gang valve, to water
all plants at once, available at k-mart
1/2 inch vinyl
tubing, 2.5 feet , for siphoning
hydro solution, fertilizer
reflectant, such as
mylar or you may use tinfoil
heavy black plastic,
to prevent light from escaping
ballasts, a Must! has
mandatory electric components that are needed to run HID
light source, high-pressure
sodium AND metal halide(HID)
timer, avalible at garden
Cut off top of milk jug. insert siphon tube and air
tube down the handle of the jug until the reach the bottom(fig. 315). fill jug with rock wool.
cover walls and door of closet with heavy black plastic. then cover with reflectant.
set up exhaust fan at top of garden. attach to existing ventilation i.e. furnace or dryer vent, you want
to suck the air and vent it out of the house. stack crates in pyramid fashion( fig. 420).
place hydro jugs on crates. plant sprout pellet and inch or so into rock wool fill jug
with hydro solution until it just touches the pellet. after roots grow into rock wool keep solution level at around 2/3
full. attach and turn on air pump. with gang valve, you can run up to four plants.