Hi Berke,
Thank you for taking the time to leave your feedback, and I’m really sorry to hear that you had a frustrating experience with our V1 Round Clear Disposable Tubes.
We definitely don’t want any artist feeling like their equipment is working against them — especially when it comes to control and ink flow. Your comment about the tubes spitting ink, even after making multiple adjustments, is something we take seriously, and we’d love the chance to learn more about what happened so we can help find a solution.
If you're open to it, please reach out to us directly — we'd like to either troubleshoot further with you or get a replacement or alternative product in your hands that might be a better fit for your setup.
We’re always looking to improve, and your input helps us do that. Thanks again for letting us know.