Iv’e found the same thing. Green light’s have alway’s work the best for me. In south Florida, Captiva Island we’ll spend the last hour throwing the net just to get bait (shrimp/greenbacks) for the night. It’s almost cheating down there. Huge Snook, Trout and Red’s you can see bc of the bait drawn to the lights. Around here I’ve found the same. As far as stripper’s It DEFINITELY is true about water depth and dock size. Small docks, 15 incher’s, deep water big dock’s bring the big boy’s. Iv’e always had better luck on docks w/ the lights that are set up underneath the water on docks than light’s mounted on a foot above the water on the dock…maybe that’s just the spots I’ve night fished. I’m w/ Sellsfish and the LED’s, do what you can afford. Underwater is alway’s been more productive for me dock fishing.