How to Assemble a Homemade Hydroponic System | howtos | DIY
The key is to choose the healthiest plants you can find and then remove all of the soil off their roots. To wash the dirt off the roots, submerge the root ball in a bucket of lukewarm to cool water (Image 1). Water that''s too warm or too cold can send the plant into shock. Gently separate the roots to get the soil out.