I think there are only 4 zebra danios in the tank.
What I would do is a another 8 danios and keep an eye on the water parameters. There has to be a base of nitrifying bacteria in there by now, maybe very little but it has to be there. I think its time to jump up the bioload a tad......
Burt
What I would do is a another 8 danios and keep an eye on the water parameters. There has to be a base of nitrifying bacteria in there by now, maybe very little but it has to be there. I think its time to jump up the bioload a tad......
Burt