Attaching PVC for boat applications requires a strong bond, and several methods are discussed. The most common approach involves using PVC cement, which is effective for plumbing applications and readily available at home centers. This adhesive, paired with a cleaner, creates a robust bond, although it has a strong odor and sets quickly. The discussion highlights that the tubing itself may break before the joint if not properly set. Another method mentioned is plastic welding, which can provide a strong connection but may vary in effectiveness depending on the type of PVC used. For optimal strength, lap joints are recommended over butt joints, and the use of marine-grade adhesives is advised for boat applications to ensure durability and reliability in water conditions.