Understanding PAR: A Guide to Lighting for Aquatic Plants
Key details Photosynthetically Active Radiation, or PAR, refers to the spectrum of light that plants utilize for photosynthesis, typically covering wavelengths from 400 to 700 nanometers. In the context of aquariums, particularly planted tanks, PAR is a crucial measurement as it directly influences plant health, growth rates, and overall ecosystem balance. Light intensity is often…








