Step 1: Choose the Right Space

One of vertical farming’s biggest advantages is space efficiency, but that doesn’t mean any room will work. Consider these four factors:

1. Space Size

Recommended starting size: 10-20 m² (about the size of a small garage or storage room)

Why: Large enough for a small vertical rack, water system, and environmental controls, with room to move around

Avoid: Spaces that are too large (higher initial cost) or too small (difficult to work in)

2. Environmental Conditions

Condition	Ideal Range	Minimum Requirement
Temperature	20-25°C	15-30°C (with heating/cooling)
Humidity	50-70%	30-80% (with dehumidifier/humidifier)
Ventilation	Natural airflow or exhaust fan	Cannot be completely sealed
Light	Light-tight (to control photoperiod)	Avoid direct sunlight

3. Infrastructure Requirements

• Power: Stable electricity supply (expect 2000-5000W to start)
• Water: Access to a sink or water line (20-100L per day)
• Drainage: Floor drain or space for drip trays
• Floor load: Must support 200-300 kg/m² (when tanks are full)

4. Expandability

Choose a space that allows for future expansion. Example: Start with 15 m² in a larger room, leaving adjacent space for later.

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Step 2: Equipment Checklist

Essential Equipment (Must Buy)

1. Vertical Grow Rack

• Recommended type: Multi-layer NFT or Deep Water Culture
• Number of layers: 4-6
• Tray size: Approximately 1.2m × 0.6m per layer
• Budget reference: $300-800 (for a small system)

2. LED Grow Lights

• Spectrum: Full spectrum (red+blue dominant, with some far-red and UV)
• PPFD: 200-400 µmol/m²/s (for leafy greens)
• Daily light duration: 14-18 hours
• Budget reference: $50-150 per layer

3. Environmental Control System

• Temperature/humidity sensor: ±0.5°C / ±3% accuracy
• Timer: For lights and water pump
• Budget reference: $30-80 (basic version)

4. Hydroponic Nutrient System

• Nutrient solution: 3-part A/B/C formula (starter kit)
• EC meter: Measures nutrient concentration
• pH meter: Measures acidity/alkalinity
• Budget reference: $20-50

Optional Equipment (Recommended but Not Required)

Equipment	Purpose	Budget
Small exhaust fan	Air circulation	$5-15
Humidifier/Dehumidifier	Humidity control	$20-50
Water quality tester	Check source water	$5-10
Security camera	Remote monitoring	$10-30

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Step 3: First Planting Process — Day by Day

Day 1: System Setup

1. Assemble the grow rack according to instructions — ensure each level is level
2. Install LED lights — mount 30-40cm above each grow tray
3. Connect the water circulation system — test pump and pipes for leaks
4. Install environmental sensors — place in the center of the grow rack

Day 2: Prepare Nutrient Solution

1. Test your water source — measure EC of tap water or RO water
2. Mix the nutrient solution — Add A, B, and C components sequentially
3. Target EC: 1.2-1.8 mS/cm (for leafy greens)
4. Target pH: 5.5-6.5
5. Run circulation test — let the system run for 1-2 hours to confirm stability

Day 3: Sowing

1. Choose your first crop — recommended for beginners: Lettuce, Pak choi, or Basil
2. Growing medium: Rockwool cubes or sponge plugs
3. Sowing depth: Approximately 2-3 times the seed diameter
4. Place in grow rack: Insert the cubes into the grow channels

Day 4-20: Daily Management

Task	Frequency	Notes
Check water level	Daily	Do not let it drop below minimum line
Measure EC/pH	Daily	Add water if EC is too high; add nutrients if too low
Check lights	Daily	Ensure timer is working correctly
Inspect for pests/disease	Every 2-3 days	Early detection is easy to fix
Change nutrient solution	Every 7-10 days	Completely replace and clean reservoir
Adjust plant positions	As needed	Move taller plants to outer edges

Day 15-25: Harvest

1. Check for maturity: Lettuce (10-15cm tall, 5-8 leaves), Pak choi (12-18cm tall)
2. Harvest methods: Whole plant harvest (cut at base) or Cut-and-come-again (harvest outer leaves only)
3. Post-harvest handling: Rinse roots, pat dry, store in refrigerator (4°C / 40°F)

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Common Problems and Solutions

Problem	Possible Cause	Solution
Seeds won’t germinate	Temperature too low or old seeds	Check temperature (20-25°C), use fresh seeds
Yellow leaves	Nitrogen deficiency or low light	Increase nutrient