Oaktree
Super Member
Don't think I've ever had issues with the primer separating, but yeah the glue doesn't stand up well to storage. I'll just by the smallest can and consider any leftover to be disposable.Oatly sells a two piece set with the Purple Primer and Medium Duty Clear Cement that is good for sprinklers. Always buy new when doing a project. The Cement will thicken over time and not work properly if it's old. The Purple Primer will separate over time and become clear looking when it's no longer any good. It's not worth the risk of failure to use old cans of either. For me, it's it's been a few months, that's too old, and I buy brand new.