https://apotforpot.com/blogs/growing/metal-halide-vs-high-pressure-sodium-grow-lights/
HPS Grow Lights vs. MH Lights: Which is Best for Growing Weed Indoors?
Sep 23, 2024 - Discover the best lighting options for growing weed indoors. Find out if using metal halide (MH) lights and high-pressure sodium (HPS) grow lights is necessary...
hps grow lightswhich is best