Shelf Life of botanicare nutes

I have some very old, from around 2010 botanicare liquid karma, gro & an unopened cal mag. I opened them out of curiosity & compared them to fresh ones & i cant tell the difference, by color or smell. i shook up a grow and poured them into containers & even the sediment floating around looks the same. Anyway right now im just starting seedlings so i will use the brand new stuff on them, but once i get clones going im gonna see what the 7+ years nutes do. There is no ingredients on either bottles the new ones or the old ones it just says "derived from".
this is the only pic i will get, but it really does look identical to me in real life