Bangin
Fishaholic
Exactly. That worries us more than hardness and nitrates.yhbae said:BUT you do have some level of ammonia - you need to figure that one out first, what is causing it?
I'm thinking 'a number of fish and not enough plants'? Plant that baby full!
I'd add more lighting too.
Edited to add: I just looked at your tank. It looks great! How do those bettas get along? They have a nice, spacious retreat, if need be!