Help in laurel Md

[Almoe]

Restoring pristine water perimeters after a major baking soda fail. I had a big die off 6months ago and now fish still thrive but snails and invertebrates die quickly. Help in laurel Md

 

[chipmunkofdoom2]

How are you measuring salinity? Have you calibrated that lately? It's possible the salinity is off.

Do you have any other test results? Like alkalinity, calcium, magnesium, etc?