roots organic

NugNubs Back in the saddle, one plant this time, still Short Rider. Using Roots Organic original soil with roots nutes. Buddha grow, uprising foundation , amino aide, elemental cal-mag to date, Buddha bloom, hi phos bat and seabird guano and Humboldt big up powder to come. today is day 41

I was wondering if anyone knows if sea grow (or any fert for that matter) has a shelf life? i basically bought a couple things of sea grow buckets that i havent gone thru yet, but both of these were purchased years ago i realized. just seeing if I can still feed my plants with some fet purchased...