Hi,
I find that the usage of ferns and mosses are a much better substitute than using aquatic plants which requires ferts. The lower maintenance plants includes, java moss, marimo balls, java ferns, christmas moss and star moss all of which I am using in my shrimp/comm tank. No CO2, just lights.
They basically due not require much maintenance and is hassle free.
I'm now into trying out fissidens on driftwoods without CO2. It requires Co2 to thrive but i've some examples that does not require Co2 as well. It's costly so i'm still thinking about it.
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