So today while looking at Turtleloo's tank, I noticed there was a clear slime on his half log. This grows every where when i leave it there. It has clogged the impeler on my filter 2 times before. It gets annoying because it smells terrible and caused me to leve a bare tank with only the filter, basking rock and his half log. Heres a pic of it. Please help me determine what it is and how to get rid of it.