Betta Fish: Very quickly learned that fish are more than a bowl and some plastic decor from this sub 🥴 Immediately got everything I needed and followed every guide and, here we are ☺️

any suggestions welcome!!

heater in, set to 80
sponge filter w air pump on lowest setting
2 layers of nitrate-fixing sand + thick layer of gravel
7 types of plants
lava rock w two holes
sitting leaf 2 inch below surface
30% water changing weekly
tested N03 today and it was sliiiiiiiiiightly less yellow than the 0 rating