RapidRooters aren't a soil method- technically they are soilless, and were developed to be used in ANY system. You can still be a hydro purist using them, lol! Devolve, harrumph~

WH what is that, your living room? Damn it's so freakin' clean, and the wood floors look better than most peoples'... haha nice spot! Now ya just need a WHITE shower curtain liner inside that dark one to reflect more light!

In your last bunch of pics- #2- do you have mites by any chance? Can you get closeups of those splotchy leaves? Something funky is going on.