CRI is how accurately the light achieves its rated spectrum. The higher the better, but as you approach 80+ the difference is pretty negligible for how much extra it tends to cost to get 90 vs 80. I believe a lot of the leds high end grow lights go with are 80CRI but ive seen a fee that claim 90+ for a crazy price increase. Heck some of the lights ive seen that claim 90CRI cost so much that i could buy 2x the amount if 80CRI lighting. But essentially yes, if you have 2 of the same lights, 90CRI will grow plants very slightly better than 80CRI though i wouldnt spend the extra money for it.
@THCaddict, Oh the whole global warming theory! May be it has to do with the fact that it's actually the end of the last ice age and we have been on a warming trend for 10's of thousands of years. As the polar ice caps melt the natural wobble of the earth increases making it come seasonally closer to the sun. Yes ,of course we are adding to/speeding it up. So I'm only a partial GW denier.
@THCaddict, Nice looks like your on to something good. I think your right about a lot of these supliments are way over priced for a bottle of watered down ingredients that problably don't even contain what they claim.
@Philindicus, There were Methyl cinnamate and Ethyl butyrate. Keep in mind this is experimental you might know a supplements brand "Botanicare" they got a product name"Sweet" mentioned it can make your bud smell more fruity even a plants genetic were not designed to smell like that. After spent time digging down to the ingredients I found it consists of water, Epsom salt, and unknow scent agent. Then I did the test with native plants with Amyl acetate to prove esters might be the answer by adding it along watering in low concentration and the result appeared in 2 weeks. 50% of the scent profile had changed, proved my hypothesis.
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