Free Hydroponic Building Plans

Free step-by-step plans with complete materials lists and affiliate links.

With 11 plans to choose from, it's easy to find one that fits your space and skill level. Use the filters below to narrow things down, or if you're not sure where to start, let us help you pick a system

Showing 11 plans

Intermediate NFT 24x48

NFT PVC Pipe Wall System

A wall-mounted NFT system using PVC pipe channels. Grows 12 plants of lettuce and greens in just 2 feet of wall space with recirculating nutrient flow.

lettuce herbs greens

Cost: $80-$120

Build: 2 hrs

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Intermediate EBB-FLOW 24x48

Ebb & Flow Flood Tray Garden

A versatile flood-and-drain system with a 2x4 ft tray. The timed wet-dry cycle supports everything from delicate herbs to fruiting peppers and strawberries.

herbs greens peppers strawberries

Cost: $100-$160

Build: 1.5 hrs

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Beginner DWC 24x48

DWC 18-Plant Storage Tote System

Two 27-gallon totes with 9 plants each create an 18-plant lettuce and herb factory. Simple DWC with shared air pump.

lettuce herbs greens

Cost: $70-$100

Build: 45 min

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Beginner DWC 24x48

DWC Floating Lettuce Raft

A commercial-style floating raft system scaled for home use. A styrofoam raft floats on a shallow reservoir, growing 24 heads of lettuce at once.

lettuce greens herbs

Cost: $50-$80

Build: 30 min

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Beginner KRATKY 12x24

Kratky Lettuce Factory Tote

A no-pump, no-electricity lettuce factory in a single 8-gallon tote. Six heads of lettuce grow passively using the Kratky method.

lettuce spinach greens

Cost: $20-$35

Build: 10 min

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Intermediate NFT 12x36

NFT Tabletop Lettuce Farm

A compact 2-channel NFT system that fits on a table or countertop. Recirculating nutrient film grows 8 heads of lettuce in a small footprint.

lettuce herbs greens

Cost: $50-$75

Build: 1 hr

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Hydroponic Essentials Affiliate

Hydroponic Water Chiller (1/10 HP)

If your nutrient solution gets above 72F, root rot risk skyrockets. A water chiller keeps temps in the safe zone automatically. Essential for DWC growers in warm climates.

Budget option: Frozen water bottles rotated into the reservoir twice a day work in a pinch. But if you are growing year-round in a warm space, a chiller pays for itself in saved crops.

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MaxiGro + MaxiBloom Dry Nutrients

Dry nutrients last longer, cost less per gallon, and ship cheaper than liquids. MaxiGro for vegetative growth, MaxiBloom for flowering. One scoop per gallon, that is it.

I switched to dry nutrients after doing the math. A bag of MaxiBloom makes over 150 gallons of nutrient solution for about $15. The liquid Flora Series is great but costs 5x more per gallon. — Paul

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Full-Spectrum LED Grow Lights (2 ft)

These linkable 2-ft LEDs daisy-chain perfectly under shelving units. Full-spectrum 6500K light keeps lettuce and herbs compact and productive without heat buildup.

These are what I use on my shelf rack builds. They link end-to-end so you only need one outlet per shelf. I have had sets running 16 hours a day for over a year with no issues. — Paul

Budget option: A sunny south-facing window provides enough light for lettuce and herbs from spring through fall. Grow lights are only essential for indoor setups without natural light.

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Intermediate NFT 24x48

NFT Vertical Wall Garden

A stunning 4-tier wall-mounted NFT garden growing 20+ plants of lettuce, herbs, and strawberries. A living wall that produces food.

lettuce herbs strawberries greens

Cost: $120-$180

Build: 2.5 hrs

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Advanced NFT 48x96

NFT Greenhouse Channel System

A large 6-channel NFT system for a greenhouse or garage. Grows 36 plants at semi-commercial scale with recirculating nutrient flow.

lettuce greens herbs strawberries

Cost: $150-$220

Build: 3 hrs

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Intermediate EBB-FLOW 12x24

Ebb & Flow Vertical Shelf System

A 3-tier wire shelf with flood trays on each level. Grow 24-30 plants vertically with timed flood-and-drain cycles and integrated grow lights.

lettuce herbs greens strawberries

Cost: $150-$220

Build: 2.5 hrs

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Intermediate EBB-FLOW 48x48

Ebb & Flow Outdoor Veggie Bed

A large 4x4 ft outdoor flood table for mixed vegetables. Timer-controlled flooding supports everything from leafy greens to fruiting peppers and tomatoes.

peppers tomatoes herbs greens

Cost: $130-$180

Build: 2 hrs

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Advanced AEROPONICS 12x12

Aeroponic Tower Garden

A vertical PVC tower with misting nozzles grows 20-30 plants in a single square foot. The fastest-growing system for leafy greens and herbs.

lettuce herbs strawberries greens

Cost: $120-$180

Build: 3 hrs

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