general decor

[Addlewood]

can I just take any old drift wood or rock and put it into my freshwater aquarium? I don't want to pay for a rock or whatever if I can just find it. What things should I watch out for when it comes to stuff I might want to put in? I have a planted tank with fish.

 

[Byron Amazonas]

You may find some useful information in this thread on the topic:
http://www.aquariacentral.com/forums/showthread.php?277985-Lets-talk-rocks-and-wood