can i put this in my tank conch shells?

I was just wondering if I could put these in my tank. I was using them for decoration purposes but they would look cuter in my tank. Its 100g.

Anybody know where to get cheap live rock?

 

No such thing as cheap live rock , lol

1 of 2 things you might do' if your willing to wait it out'
if ya got a buddy at the LFS place'.. they help maintanace tanks im sure
they know lots of people that require the tanks to be torn down '
thats the best rock if you can get hold of a large sum'.. hardly any wait time to reaclamate it to your new tank']
( basicly cycled out and pleanty of coraline growth all over )

or you have to resort to ordering in the amount you need ( if you must ) just go ahead nd bite the bullit and get all that you need' cause most of it will have diffrent stages of being curred ,
get what ya need and put it all together' so it all cycles out at one time

 

i have one in my tank, just make sure you have flow going in it,as fish love to sleep in them and the turds get stick inside