I have never done aquarium plants and it's been a long time since I had a fish tank anyway. I have a 40 gal hex that I'm going to do a freshwater setup. What kind of plants should I start with? What kind of sub should I use? What kind of fish should I NOT get? Can I have an apple snail or will it eat all the plants?
Most commonly kept fish are plant safe. Notable exceptions are African cichlids (they dig a lot and uproot plants) and silver dollars. If your water's on the harder side Vallisneria would be great for a tall tank like yours.
Plant selection is going to depend on your lights that you have. Like if they fall into low, medium, or bright for you tank. How tall is your tank?? This will matter for the lights you have and the plants you will want.
Substrate can depend on the fish also but most use play sand or fine gravel.
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