Cholla wood for shrimp is the 2nd best gift you can get your curious crustaceans. (The first being snail cookies!) The wood naturally releases tannins, surface area for bacteria to grow, and protection for shrimp while they consume these bacterial colonies. Who ever said making a tank look pretty would be expensive?
Being naturally sourced, we haven't treated these at all. A quick boil to knock loose dirt wouldn't hurt, or you can let the debris add to the environment in your tank.
These were three randomly chosen pieces for photos. The 10+inch pieces are too long for a detailed photo.
These particular pieces will not be the ones you receive. They are naturally sourced, untreated, and modified only to separate via saw/cutting.