Jun 20, 2017 ... par meter led grow lights par testing grow tent. PPF stands for Photosynthetic Photon Flux, which means how many photons of light per second ...
LED lights require new thinking about the way we measure light spectrum for use by plants. The typical rating most growers are familiar with is the “lumen.
PAR stands for Parabolic Anodized Reflector. What's that? Many halogen spot and flood lights use a parabolic (U-shaped) reflector to collect and reflect the light ...
Nov 4, 2010 ... LED Grow Lights – Lumens vs PAR Test (Ongoing). Before we begin, please answer the following question: Which light do you would think is ...
Black Dog LED provides all the information you need to know regarding PAR lighting and measurements. See how PAR is important in comparing grow lights.