LED grow lights can be used as a substitute for sunlight in hydroponic systems in low-light rooms.. This study aims to examine the effect of 2 × 4 watt LED grow light on the production of lettuce plants (Lactuca sativa. L.) with a hydroponic system. This research was conducted from 19 January 2023 to 22 February 2023 at the Laboratory of Biosystems, Agricultural Energy and Drafting, Department…