Curt hosts John from High Pressure Hooligans in Iroquois, Ontario, discussing how he built a high-tech fill station to address the lack of nearby air, nitrox, and trimix fills along the St. Lawrence. John outlines his setup, weekly fill volume, 7-days-a-week availability, and a mobile fill station supporting local fire departments. They talk about the local dive scene, including Fort Henry/Navy Bay artifact sites and roughly 275 shipwrecks within an hour, spanning 20–200 feet. The conversation covers tariffs and drysuit repairs, training with Mike Fowler for extended range trimix and advanced blending, impressions of the compact S7 sidemount rebreather, and plans for a technical liveaboard trip to Egypt to dive deep Red Sea wrecks. They also discuss artifact recovery practices, museum coordination, and notable finds like bottles, grenades, and a  ...