How long can I cycle the Test Explosion Stack? Rudy Checo December 29, 2021 19:05 Updated Cycle Span You should take Animal Test and Animal Stak together on a 3-week cycle. Once completed, begin taking Animal M-Stak on its own for an additional 3 weeks. If you have further questions please reach out to our support staff at email@example.com or send a contact request here. Related articles What is the Test Explosion Stack? What stacks best with Animal Alpha F? How do I use Animal Nitro? How do I use Animal Test? What is an ATP? Comments 0 comments Please sign in to leave a comment.