Florawave vs. GE LED Grow Light (High Light Grow Shelf)

Here's a head to head comparison between the Florawave P85FS2.3 and the GE LED Grow Light for a common grow shelf configuration.  Very few LED grow lights publish any specifications and this was one of the few models with available specs.  Here's the assumptions:

  • Light suspended 2 feet above shelf.  Shelf is 4 feet long x 2 feet wide.
  • PPFD of 90-120 µmol m⁻² s⁻¹.  This would be considered optimal for most carnivorous genera and high light orchids.
  • Average of a 14 hour photoperiod (12 hours winter, 16 hours summer, 14 hours spring/fall)
  • PPF output within 8% (180µmol s⁻¹ GE vs 196µmol s⁻¹ Florawave).
  • Electric cost of $.15/KW.  (average cost in the USA.  Can be 2x or more in Europe)
  • Air conditioning removes heat generated from the lights for the warmer months (half the year).
  • Fluorescent bulbs are replaced every year.

RESULTS: The Florawave P85FS2.3 is cheaper initially and provides a 30% operational cost savings by year 5 while producing 8% more PPF.  Furthermore, the grow environment would be a cooler overall local environment with the lower heat output of the high efficiency LEDs. (see Thermal Considerations for more discussion on this).

Up next: Florawave S40FS2.3 vs. GE LED Grow Light (medium PPFD grow shelf application)

Florawave P85S2.3 vs. T5HO Fluorescent (high PPFD grow shelf application)

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