NFT Hydroponic System: Complete Beginner Guide to Nutrient Film Technique
Quick Answer: An NFT hydroponic system grows plants in sloped channels where a thin, continuous film of nutrient solution flows over bare roots. NFT lettuce reaches harvest in 25 to 35 days at pH 5.5 to 6.5 and EC 1.0 to 2.0 mS/cm. Use our EC/TDS calculator to dial in your nutrient solution before your first run. What Most Guides Miss (And What You Will Learn Here) The exact channel slope — 1 to 3 percent — that determines whether your roots thrive or rot, and how to check it with a basic spirit level Why NFT roots die within 2 hours of pump failure and the exact backup setup…