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my waters cloudy and my favorite fish just died today my knight goby theres plenty of salt I use a wood stick to put plants in is that causing it I checked for ammonia there is none but the weird things is ally my top guys are getting loopy almost looking liek they have no bones and my bottom feeders are healthy and swiiming good whats going on!

what are your water parameters. also the cloudy water probably means that their is a bacteria bloom

I dont really know that much about that but when I find out I will tell you

Ammonia, nitrItes, nitrAtes, pH & SG (specific gravity, a measurement of salt, measured by a hydrometer).

I know this sounds strange, but sometimes I have experienced a bacterial bloom (milky water), then the ammonia spike followed as it cleared. Keep checking for ammonia. It must be zero.

Have you checked for nitrites? I would expect the cories to be affected by either ammonia or nitrites first.

What size tank is this? How many fish total are there and how many of each kind? What kind of filtration do you have (hang on the back, in the hood, cannister, undergravel, etc.).

What temperature is the tank? Are they hanging near the surface or bottom?

Answers to these can all help us.

30 gal umm 3 fish all my live bearers already died hang on the back they stey in the same place as they usaully did it was just my live bearers but I fear for my other brackish fish in there

Can you go to your local fish store and get some test results for us?? most lfs will offer free tests. And if you dont have any kits it time to buy some.