Duckweed is much easier to manage in a paludarium than an aquarium, at least in my opinion. Smaller space makes for easier containment. Frogbit is also an option, albeit a larger one.

I get most of my materials from nature. I bake or boil my wood before using it. I don't get too nuts sterilizing non-porous items like rocks though. I don't seal my wood, but that is an option. You can, if you like.

All my current tanks run drainage layer type false bottoms using river pebble from Home Depot. It weighs a bit more, but weight isn't a concern to me in tanks, they don't get moved.


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