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RE: DIY - Designing Optimum Wavelength LED Lighting to Turbo-Boost Plant Growth (or Inhibit It)
Sort of. I guess I was thinking about the stygian depths of the oceans. Is it the plankton soaking up all the light, or is the "negligible" absorption of the water because there's only a couple hundred gallons in a tank, vs the scary-huge amounts of water in lakes and oceans.
Given that plankton accounts for the majority of the Earths O2 production and it can literally be seen from space... I'm sure it's a combo of both but I'd wager mostly plankton.