decorations...

[Synatix7]

im limited with mula right now, can you take like rocks fromy uor backyard wash em real good and make cool rock decorations in your tank? or is it bad to put rocks from the yard into your tank?

 

[flyhockey1037]

boil em good, then rinse em good, then boil em good, then rinse em good.

 

[DylFunk]

he's pretty much got it covered. you can also pour some vinegar on it to see if its ok to put in after you boil it. if the inegar fizzes its not safe, and its probably the material the rocks made of. ( note: this is not fool proof).