15 watt full spectrum that came with the tank.
Filter and heater
Natural colored gravel
Don't know, except that I have very hard (pH 8?) well buffered well water.
pH down has NO effect, so I'm trying to adapt my inhabitants to my water.
Seachem Flourish Excel 3x per week.
Just getting started, but I have:
Java moss, some frogbit, and a 4 leaf clover plant(thanks,afishpond!)
1 beautiful male Betta splendens
I did have a couple of angels, but they got too big, so I traded them to my LFS for some ghost shrimp and the aforementioned Betta.
I really like to feed mosquito larvae thru the summer,but it makes the fish grow almost too fast!