What are these?

[lilfuzzylionfsh]

What are these in the first pic? I think they are spheghetti Worms, but how do i make them go away!131983

And this thing, what is this? its yellow, and hard, and fiberous i have it in another spot that bc of my bow front tank the pic never comes out right but it looks like somethings in it?? everytime i get rid of it it comes back!! :hmm2:131982

[Sk8r]

Spaghetti worms and yellow sponge are good guys. Leave them alone and let them do their thing, which is cleaning your tank and cleaning your water. THat's why you get LIVE rock. ;)