thx for your reply,
tank is 81cm (32") L* 36cm (14") width and 45cm (18") high and ph is 7 (i think i can change Ph depend
And water parameters? GH and pH (you can get these from your water supply folks, likely on their website). I can think of some possibles, but the tank
The initial post didn't specify authentic biotope, so all of our collective suggestions are relevant.
The Java Moss, species Taxiphyllum
The filter sponge only needs rinsing to keep it somewhat clean. This is a 10g tank, so I would rinse the sponge at each weekly water change. Rinse it
Good Luck with everything. Post pictures if you can.