Who Gives A Fish Forums

How's the flow on your HOB? If it's too strong, it might be stirring up the substrate. Try baffling it with a sponge or lowering the water level a bit.

landcritter wrote: ↑Fri Jun 27, 2025 12:02 pm Cloudy water usually means a bacterial bloom. Did you cycle the tank before adding fish? If not, you're gonna need to do frequent water changes and test ammonia levels.

Yep, that's spot on. Also, what filter are you using? A sponge filter or HOB? Some setups take longer to clear up.

Not to hijack, but how often are you all testing alk? I'm new to SPS and paranoid about swings. Testing daily feels overkill, but my LFS said weekly might miss dips.


Daily for the first month, then dial it back. Once you know your tank's consumption rate, 2-3x/week is chill. I use a Hanna ...

Hi, thanks for your reply, I really appreciate your input. The behaviour of the fish has indeed improved significantly over the last day or so, they seem to be much more settled now. I'm glad to see them swimming around and exploring the tank, it's a big relief.

However, I'm still a bit concerned ...

Hi All & Merry Christmas.

I've finally got my first fish in my tank, after a fishless cycle and plenty of research - 4 Yellow Labs and 4 Yellow Tail Acei from the LFS. Initially, they were all very active, swimming up and down in one corner continuously, but this has settled down a bit. At times ...