spd

Creating a custom SPD (Spectral Power Distribution, ie spectrum) can be confusing. This might help reduce some ambiguity in determining how much of a light is needed, or how much of a certain color is required to supplement proportionately, ie Far Red, UV, ect. Once you've entered in an...

What's up guys, just starting a thread dedicated to SPD. Ill start by adding these 3 figures... All measurements were with 450μmol/j constant canopy intensity. Each light source in it's own tent. Started out with 16 plants per light source and then dropped to the best 9 to flower per tent...