BTAs

[mmmmmm773]

So ive got 3 btas in my display, good flow, good light, and a crazy little clown. Problem is only my green is ever bta open and my rainbows arent ever. Whats the reason? They used to open.


Ignore algea infestation, working on it. :/

 

[1112-425XL]

Algae infestation or cause of the algae infestation could also be the answer to your question...