Free Hydroponic Building Plans
Free step-by-step plans with complete materials lists and affiliate links.
With 5 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 5 plans
Kratky Mason Jar Herb Garden
The simplest hydroponic build possible. Wide-mouth mason jars and the passive Kratky method grow fresh kitchen herbs with zero electricity and zero pumps.
Cost: $15-$30
Build: 5 min
3 builders
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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.
Cost: $20-$35
Build: 10 min
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Kratky Windowsill Microgreens Tray
Grow nutrient-dense microgreens on your windowsill with a shallow Kratky tray. Harvest in just 7-14 days with almost zero effort.
Cost: $10-$20
Build: 5 min
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Kratky 5-Gallon Pepper Bucket
A single 5-gallon bucket grows one big pepper or tomato plant with zero electricity using the passive Kratky method. The ultimate low-cost, low-effort setup.
Cost: $15-$25
Build: 10 min
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Kratky Balcony Salad Garden
Ten Kratky totes on a small balcony grow a complete salad garden - lettuce, spinach, kale, and herbs - with no pumps and no electricity.
Cost: $40-$60
Build: 30 min
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