I dnt use any co2 just plant fert, me ph is about 7.4 when i last checked they are all aquatic plants the one that looks like a fern is called an umbrella plant and the one in the background are a amzon sword and a green & white dracula plant(excuse spelling) my water where i am from are soft. And i have 8 cardinals but the other 3 must be hideing
- Jonno