Fish food question

[KJB]

Cycling my tank and picked up a cheap fish food to feed the tank during and after the cycle, before cleaners, fish.
Grabbed, fluval bug bites larvae because i didnt have glasses on and it looked like a Bangaii cardinal on the front.
Got home, its tropical fish food.
Here are the ingredients. One is copper sulfate, not sure. Any help would be great, thanks!

 

[Budget_Reef]

The front is an angelfish which means it is for freshwater I dont know is copper sulfate is dangerous but everything else would be fine

 

[KJB]

The front is an angelfish which means it is for freshwater I dont know is copper sulfate is dangerous but everything else would be fine

Haha yeah.. i noticed after I put glasses on.
Thank you