Who Gives A Fish Forums

darktank wrote: ↑Mon Jun 16, 2025 6:23 pm Thanks for all the advice, everyone. I'll try adding some floating plants and tweaking the flow. Water params are good, 0 ammonia, 0 nitrite, 10 nitrate, pH 6.8, temp 78F.

Sounds like you're on the right track. Keep us posted!

Congrats on the setup! Cardinals can be skittish at first. Try dimming the lights a bit or adding some floating plants like Frogbit. They'll feel safer with more cover. What's your water temp at?

They do require some salt in their water, but it's not about the salt itself, it's about the water parameters and stability they need to thrive. I'm not questioning your ability to keep fish, it's just that Frontosas can be quite specific and demanding, even for experienced aquarists. I'm trying to ...