What is going on with my test kit?

Yea I’m fresh out of ideas there. If it’s doing the same with your tank and a freshly made batch of saltwater I’m guessing it’s faulty?
 
Use something besides an API test kit.
Take a water sample to your LFS and ask them to check it.
 
Ok...was wondering why you were using an api test kit. Being that it looks like you have nitrates and no nitrites I'm thinking your ammonia is good. Don't know why the ammonia is so milky though.
 
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