ok so i went down today...water them with one part peroxide and 4 parts water to kill any bacteria cuz i've been noticing an awful smell when i water...Ask Ed said that its likely bacteria from over watering or too dense of a soil composition...i maybe shoulded added more perlite...anyhow i watered and the runoff was completely clear...no nute solution stains or anything...some i'm gonna go take fresh pics...if the water is so clear i don't think the flush is required...maybe fresh pics will help