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Archives: Blog

link to Microgreens Mold vs Root Hairs: How to Tell the Difference (and Fix It)

Microgreens Mold vs Root Hairs: How to Tell the Difference (and Fix It)

Four quick tests to tell harmless root hairs from mold on a microgreen tray, what to do with a moldy crop, and how to stop it coming back.

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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

  • Ebb and Flow Hydroponics: Flood Timing and Media
  • PPM to EC Conversion: 500 vs 700 Scale Explained (With Table)
  • NFT Hydroponics: Channel Slope, Flow Rate and Best Crops
  • How to Lower pH in Hydroponics Safely (and How Much Acid to Add)
  • Hydroponic EC Chart: EC and pH Ranges for 20 Food Crops (With PPM)

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  • September 2026

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