Day 30...
The HPS has been on for 2 days and there's definitely a noticeable difference. Those LEDs suck.
Yesterday I fertilized them, it was a bit experimental - I'll keep doing it for a while.
* 2 are getting watered with the brown liquid that collects at the bottom of my worm farm.
* 2 are getting dosed with some organic seaweed type of fertilizer. High nitrogen.
* 1 is not getting anything, just water.
* 1 is getting seaweed stuff plus some granule fertilizer (this one is over fertilized for sure)
I also put up a frame on 2 sides with foil covering it. I know it's not ideal but it was the most simple and quick thing I could think off.