All advice given...let me just say in the words of Jimi Hendrix.....Foxyyy....FOxxyyyy....Foxxxyy Laaadyyyy...Peace Greenvision this post is acctually of great help cause i started a bubbler also and in 2 weeks the roots grew as if they were on steroids so i guess the prob ur having will happen to me soon...and now i know just what to do...