Chiller is not a must for those plants you mentioned.
If you want to carpet the soil, you have to grow them on meshes. pelia and fissiden can take root on the soil, but might take some time and you will have to find something to prevent them from floating away. Riccia will not take roots, and you'll have to tie them down using mesh or strings.
2bps you mean? it depends on how you diffuse the co2 into the tank, as well as efficiency of the co2 injection. Will be great if you can get a drop checker to measure to get a rough gauge of amount of co2 in the water.
Strong light? how strong and what type of light are you using? perhaps you can fill us in with more details.
just place the wire mesh on the aquasoil and let it flourish. depending on the quality of the mesh, marine-grade ss mesh do not rust, unless the mesh is of lower qualities.
Do provide the bros here with details of your tank so that we can better understand your setup and better advise you.
Tank Size:
Substrate:
Fertilization:
Lighting:
Lighting Timing: HH:MM to HH:MM
Filtration:
Co2:
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