There was this slimy stuff in the solution container. Can that be part of the problem?

Also noticed that the rapid rooter was very wet. How many layers of hydroton should I keep under the rapid rooter? Is there something better than a rapid rooter to prevent moisture buildup? Can I cut a piece of the rapid rooter so that it's more like an aero plug?
gigimarga Reviewed by gigimarga on . Aeroponic AK47 grow this is my troubleshooting form. I started using the wrong one and then I fixed it to match the hydro one so the numbering might be a little weird but I included all necessary information including aeroponic system info What is your experience level? (first timer - Did about 6 various attempts previously. All failed.) Previous attempt in the aeroponic, everything was going well and BAM, just wilted to nothing. (see Rating: 5