BoulderMan
Member
Hello,
Has anyone experienced their test Vials having any small floating black dots in them?
Vial has been previously used, is this part of the plastic cap?
Would the vial still be safe to use?
Also how long can a vial be opened for till it isn’t good anymore.
Cheers
Has anyone experienced their test Vials having any small floating black dots in them?
Vial has been previously used, is this part of the plastic cap?
Would the vial still be safe to use?
Also how long can a vial be opened for till it isn’t good anymore.
Cheers