the tanks is 120cm long 44cm deep and 44cm wide the water level is 22cm i have axies in there so no light
but there is a window close by but has a heavy curtain is closed at all times but some light gets in but not to much
1: can plants survive useing sand?
2: do i need to use any chemicals to keep the plant alive?
3: they are not underwater just sitting in potplant in shallow water