Basic Instructions on Building a Hydroponic Grow Tower

Step-by-Step Instructions:

1. Plan Your Design:

  • Decide on the size of your tower based on the space available in your greenhouse.
  • Determine what plants you want to grow (e.g., herbs, leafy greens, or fruiting plants) to choose the appropriate setup.

2. Gather Supplies:

  • See the comprehensive list below for items needed.

3. Build the Tower Structure:

  1. Base Preparation:
    • Use a sturdy container (like a 5-gallon bucket) as the base for the water reservoir.
    • Drill a hole near the bottom for the submersible pump’s tubing to pass through.
  2. Vertical Tubing:
    • Use a PVC pipe or similar material for the vertical column.
    • Cut evenly spaced holes (2-3 inches in diameter) where plants will sit, staggering the positions for optimal light and space.
  3. Plant Holders:
    • Fit net pots into the holes. Secure them to ensure stability.

4. Set Up the Water Circulation System:

  1. Install the submersible pump in the reservoir and connect tubing that will carry nutrient solution up the tower.
  2. Create a drip system at the top to distribute water down the column. Drill small holes in the tubing to allow controlled water flow.

5. Add Growing Medium and Plants:

  • Place a growing medium (e.g., clay pebbles, coco coir) in each net pot.
  • Insert seedlings into the growing medium.

6. Mix and Add Nutrient Solution:

  1. Mix hydroponic nutrients in the water reservoir following the product instructions.
  2. Test and adjust the pH to ensure it stays between 5.5 and 6.5.

7. Assemble and Test:

  • Attach the vertical tube to the base and secure it for stability.
  • Turn on the pump to ensure the water flows smoothly through the system.

8. Maintain Your Tower:

  • Monitor water and nutrient levels weekly.
  • Check the pH regularly and adjust as needed.
  • Clean the system periodically to prevent algae or clogging.

Comprehensive Supplies and Tools List:

Structure:

  • PVC pipe (3–4 inches in diameter) or similar material
  • 5-gallon bucket or other sturdy reservoir
  • Net pots (2–3 inches diameter, based on plant size)
  • PVC end cap and fittings (if applicable)

Water Circulation:

  • Submersible water pump
  • Flexible tubing (to connect the pump and drip system)
  • Drip manifold or small tubing for water distribution

Growing Medium:

  • Hydroton clay pebbles, coco coir, or Rockwool cubes

Nutrients and Testing:

  • Hydroponic nutrient solution
  • pH testing kit or digital pH meter
  • pH adjusters (pH Up and pH Down solutions)

Tools:

  • Power drill with hole saw attachments
  • PVC cutter or saw
  • Measuring tape
  • Waterproof adhesive or sealant

Optional:

  • Grow lights (if natural light in the greenhouse is insufficient)
  • Timer for the pump
  • Thermometer and hygrometer (to monitor greenhouse conditions)

Vertical Hydroponic Tower Builds

The following content and build designs are by Chris Loh.

PVC Cutting Template is now available on Chris’s website https://clohofficial.com/ in the downloads section.

List of materials:

Charlotte Pipe PVC Pipe 4-in 10-ft
Charlotte Pipe 1/2-in x 10-ft
5-Gallon Plastic General Bucket
4.25-in Drain Cover
4 In. PVC Drain Cap
4-in x 4-in Dia Schedule 40 Coupling
1/2-in x 1/2-in dia Adapter Adapter PVC Fitting
4-in x 4-in Dia Schedule 40 Adapter
4-in x 4-in Dia Schedule 40 Adapter
Yokgrass 800GPH Submersible Pump(3000L/H)
Garden 50 Pack Lightweight Economy Net Pot Cups
Pure Coconut Coir Netted Pellets 42mm (100 pack)

Links to parts and templates can be found at https://clohofficial.com

IMPROVEMENTS & MULTI-TOWER UNIT

This is a follow-up video of his previous DIY hydroponics tower build.

PVC Cutting Template is now available on Chris’s website https://clohofficial.com/ in the downloads sections.

Parts List and Links:
1 – SDTC Tech 1/2″ 5 Way PVC Fitting Pipe Elbow Connector (4-pack) – $10.99 – https://amzn.to/3iggqGp
1 – GROWNEER 550GPH Submersible Pump 30W Ultra Quiet Fountain Water Pump – $17.77 – https://amzn.to/3AQ2LvY
1 – xGarden – Lightweight Economy Net Pots Cups (50 pack) – $10.95 – https://amzn.to/3ie5Yz6
1 – Pure Coconut Coir Netted Pellets 42mm (100 pack) – $33.09 – https://amzn.to/3EJOP87
1 – AeroGarden Liquid Nutrients (1 Liter) – $26.19 – https://amzn.to/3VtzEXb
3-5 (Depending on Build Height) Charlotte Pipe PVC Pipe 4-in 10-ft – $21.76/ea – https://low.es/2QbcLHs
1 – Charlotte Pipe 1/2-in x 10-ft – $5.82 – https://low.es/3OudSiv
4 – 4.25-in Drain Cover – $7.48/ea – https://low.es/3OhuLx0
5 – 4 In. PVC Drain Cap – $3.28/ea – https://low.es/2XZsorZ
4 – 1/2-in x 1/2-in dia Adapter Adapter PVC Fitting $0.72/ea – https://low.es/3OpYZxL
4 – 4-in Dia 90-Degree PVC Drain Elbow – $3.98/ea – https://low.es/3zN8UcC
1 – 4-in Dia 45-Degree PVC Wye – $7.98 – https://low.es/3xGZaOD
3 – 4″ PVC Tee, White – $6.48/ea – https://low.es/39Dedkc
4 – 1/2-in x 1/2-in dia 90-Degree Slip Elbow PVC Fitting – $0.67/ea – https://low.es/3HzUyye
1 – 2-in dia x 2-ft 280 Psi Schedule 40 White PVC Pipe – $13.15 – https://low.es/3OouDf9
1 – Fusion One 10-fl oz Clear PVC Cement and Primer – $14.28 – https://low.es/3O597fC
1 – Charlotte Pipe 4-in dia x Male Schedule 40 Plug – $5.84 – https://low.es/3xEwNAH
1 – Charlotte Pipe 4-in dia x Female Hub Schedule 40 Adapter – $9.86 – https://low.es/3tNfvA8

THIRD GENERATION