Originally Posted by SwayLocks
isnt bettas PH levels supposed to be 0 right?
You probably mean that bettas prefer a neutral pH level, not "0," and I believe that is correct. 7.0 is neutral on the pH scale, so a java fern would be fine for a betta's tank.
Besides the plants you mentioned, I also like cryptocoryne, I have a few in my tank that are doing great. The plant I bought was small but I've since split it a few times; they are growing quickly with very little maintenance. I also like banana lillies.