What is the safest way to prepare a piece of wood for an aquarium?

I have a good looking piece of wood and I like to soak. Does anyone know the safest way I can do?

You do not want to put wood in an aquarium. Will decline and the lack of water. Go to Smoothon.com and get a some material called OOMOO mold and make a mold. Cast molds polyethylene resin. Use acrylic paint and paint the model look like wood. You can throw fishing sinkers in the bottom so it will sink. Good luck.

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