Merry Christmas and happy holidays to you and yours DK! Don't feed your plants plain water at the end. Feed them until harvest
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It's not starving them that the folks I follow are using to try to increase the trichomes, it's drought. Here's a thread that was on that topic (it's since moved on to other things):
High Full Extract Cannabis Oil (FECO) Yields Putting this out without fear of being incorrect because I am not sure of what might be actually going on. Making third batch of FECO noticed huge return developing during vaporization of grain alcohol solvent. Ended up with 16 grams of medicine...
www.420magazine.com
You don't starve them by feeding them plain water, it's about withholding any water until you see the leaves droop to a specific angle about 2 weeks before expected harvest, aiming for 11 days of drought. A lot depends on the type of soil, the temps, and the pot size. My plants would never let me do anything close to that, and I'm guessing yours won't either!