I have a dish I'd like to use as a Java Fern anchor---is it ok to use glazed ceramic in a freshwater tank?
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Was just about to say, ceramic without the glaze would be even better, ceramic is inert and is totally safe for aquarium use, in saltwater, we use ceramic plugs to put coral on, and introduce it to the tank immediately from the packaging with no preparation.Tongue_Flicker said:Just make sure it is really glazed and not painted as some thrift shops do that lol.
Ceramic itself is inert so it is safe to submerge in water