[quote name="snoopdog6502" post="20324826" timestamp="1405881396"]It can but not always, but I would keep an eye on them. bigger roots get some tan color to them. brown is bad.[/quote The plant is green and perky, I think you are right about the hydroton; (u mentioned in another post) the bottom 3rd of roots (which are submerged) are nice and white, I rinse off the dirty roots with a spray bottle and they look okay, I guess the clay stains a bit.... I soaked the hydroton for 24 hours before using it,, grow and learn,, right! "Where's the feast I was promised'