See our top picks for PAR meters, pyranometers, and spectroradiometers. Measure your light to get your greenhouse or indoor grow environment dialed in.

Get the full scoop on grow light spectrum from the spectral science experts. Our PhD's and lighting specialists help break it down in this informative post.

IP rating stands for Ingress Protection (or International Protection) rating. Learn about IP rating for greenhouse equipment before you choose your LEDs.