KingJohnC's Twilight Groups LED 432w Spider COB Seed Cabinet Grow Journal and Rev

KingJohnC;2250004 said:

I believe that the Photosynthetically active radiation of the PAR spectrum that LED light panels are designed to use stimulates photosynthesis at a higher rate then with conventional High Intensity Discharge of the Metal Halide or High Pressure Sodium light bulbs and increases the rate that calcium and magnesium are consumed by the cannabis plants.

https://en.wikipedia.org Photosynthetically active radiation

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