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Category: Systems

link to Wick System Hydroponics: When It Works and Its Limits

Wick System Hydroponics: When It Works and Its Limits

A wick system grows lettuce and herbs with no pump. Here is how it works, what to grow, how to build one and the limits research points to.

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link to Hydroponic Tower Garden: What Grows Well and What Doesn’t

Hydroponic Tower Garden: What Grows Well and What Doesn’t

Which crops thrive in a hydroponic tower, which don't, and how light, one shared reservoir and the pump shape what you can grow.

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link to Ebb and Flow Hydroponics: Flood Timing and Media

Ebb and Flow Hydroponics: Flood Timing and Media

How ebb and flow (flood and drain) hydroponics works, how often and how long to flood, which media to use, and how to avoid algae and salt build-up.

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link to NFT Hydroponics: Channel Slope, Flow Rate and Best Crops

NFT Hydroponics: Channel Slope, Flow Rate and Best Crops

How nutrient film technique works, the 1-4% slope and 10 L/h-per-plant flow Cornell recommends, which crops suit NFT, and how to avoid leaks and warm water.

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link to Deep Water Culture (DWC) for Beginners: Setup, Air and Water Temperature

Deep Water Culture (DWC) for Beginners: Setup, Air and Water Temperature

How deep water culture (DWC) works, what you need, a 7-step setup, and the oxygen and water temperature targets that prevent root rot.

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link to Kratky Method: How to Grow Lettuce Without a Pump (Step by Step)

Kratky Method: How to Grow Lettuce Without a Pump (Step by Step)

Passive hydroponics explained: container size, nutrient strength, pH, light and why you should never top up a Kratky lettuce jar.

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About Indoor Harvest Lab

Practical, science-based guides to growing food indoors, written by an agricultural scientist and grounded in university extension research and peer-reviewed studies.

Recent Posts

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  • Growing Wheatgrass at Home: How to Soak, Sow and Harvest in 7–10 Days
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