I personally like gravel the best because it’s just easier. I’m using "Eco-Complete" which is more plants. It’s like a mix of sand and gravel. Hard to clean, but it looks great.
If it’s already keep fish before and hasn’t been sitting empty for a while then just a quick rinse with hot water should do.
If it’s already keep fish before and hasn’t been sitting empty for a while then just a quick rinse with hot water should do.