Yes I do use it a lot.
I also use moss.I grow it attached to wood near the surface and let it spread across the surface of the tank.
Christmas tree moss starting to spread
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I also use it on rock and parts of the substrate
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If you want something to work quickly,hornwart grows very fast and will soon cover the surface.
It is a very wide spread plant and can be found in some central American waters.
Here I used it with firemouths.I used it here to provide refuge for livebearer fry.
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I also use duckweed.A very invasive plant that requires regular removal or it takes over.
I find the look of duckweed very natural and it provides the fish some cover.
I have also used water hyacinth in amazon set ups.
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Great tips Stanz! How do you keep the hyacinth? I've always lost it due to insufficient lighting.
To the op, my favorite is dwarf water lettuce.