Coral food go bad?

[Dan_k]

I have a couple bottles of coral food about 2 years old wanted to know if I could still use it
Brightwell reef snow
Kent zooplex
Kent phytoplex
I see no exp date anywhere on the bottle so not sure
Thanks in advance guys

 

[Dan_k]

Anyone?

 

[Randy Holmes-Farley Verified Community Expert]

Yes, they can go bad.

Anything with organic material in it degrades with time.