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

Here's a head to head comparison between the Florawave S40FS2.3 and the GE 4ft 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 41-58µmol m⁻² s⁻¹.  This would be considered optimal for many carnivorous genera like Nepenthes, aroids and other tropicals and medium light orchids.
  • Average of a 14 hour photoperiod (12 hours winter, 16 hours summer, 14 hours spring/fall)
  • PPF output within 2% (90µmol s⁻¹ GE vs 92µmol 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 cost are initially the same and it provides a 33% cost savings in electrical costs by year 5 while producing 2% 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).

Other Cost Comparisons:

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

Florawave P85FS2.3 vs. GE LED Grow Light (high PPFD grow shelf application)

Florawave G330FS2.6 vs. Phillips 600W HPS (Grow tent, grow chamber or greenhouse supplemental applications)

Florawave G630FS2.6 vs. Gavita Pro 1000W HPS DE (Grow tent, grow chamber or greenhouse supplemental applications)

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