This is how I build a vertical growing tower with simple products off the shelf and where to buy those ... foam or fiber for hydroponics or aquaponics. The 4" pipe is standard PVC pipe from Lowes or Home Depot. The foam or fiber for the towers
by Lolly Palooza
by VianneyCreates
by Dean's N-Scale Trains
by GREENPOWERSCIENCE
by barnie bob
by Katelyn Jahnke
by sewbliss713