003 hydroponics

1
003 HYDROPONICS
MATERIALS REQUIRED
Any water tight container / aquarium
tank Cardboard Floating platform styrofoam
(thermocol) Plastic cups Growing medium - coconut
fiber Aquarium air pump and air stone to
oxygenate the nutrient solution
aquarium tank
styrofoam (thermocol)
Plastic cups
air pump and air stone
2
An old aquarium or water tight container can be
converted into a simple hydroponic system - a
method of growing plants in mineral nutrient
solutions, without soil
styrofoam
air pump
air stone
use cardboard as light shield
3
Cut the floating platform to fit the reservoir.
Using cardboard make a light shield around the
aquarium. Cut holes in the float to fit the
plastic cups. Cut small holes in the bottom of
the plastic cup and add growing medium (example
coconut fiber) to the cup. Fill the aquarium
with water and mix the nutrients (5 to 10
vermiwash as described in Experiment 16 can be
used as a nutrient solution or you can buy plant
nutrient solutions). An air pump supplies air to
the air stone that bubbles the nutrient solution
and supplies oxygen to the roots of the
plants. Place the floating platform on top of
the nutrient solution and then place the plastic
cups with the plants into the holes in the
platform.