Ime bleached out/grayed out wood, whether from water or the sun, hasn't caused me any problems. I even have a small piece of rhododendron in one of my tanks without any problems, but it was a several years old piece-- only after it was in there a while did I read it's supposed to be toxic.jjohnwm yes the wood in the pic is not driftwood I just used them as examples of the type of wood I have in my area. I always wondered about the posts and videos I have seen with people picking up drift wood for their aquarium. They never say what type of wood it is but its in areas where it could easily be from a pine tree or other conifer. Based on some of the comments they make during collecting it sounds like many of the posts and videos I have seen the collector didnt know what type of wood it was other than drift wood. So I always wondered about that and if it was safe to pick any drift wood that was well seasoned but not rotten.
---then again, I had an old gnarly piece around for years before deciding to carve it into something. I had no idea what it was until I started grinding on it and got a strong cedar smell, don't know what it would have done in a tank.
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