• Halcyon Dive Vehicles
• Dry Suit and Accessories
• Regulator Upgrades & Service
  • Does Halcyon offer a 100% oxygen upgrade kit for the H-50D and H-75P?
  • Does Halcyon offer free regulator service kits for life?
  • Does Halcyon sell regulator parts and service kits to customers?
  • Where can I have my Halcyon regulator system serviced?
• Lighting System
  • How do I change my charger fuses?
  • What are E/O cords and how are they used?
  • What is the difference between HID and LED lighting?
  • What is a locking bulb design?
  • Why is PEEK a better material for a bulb socket?
  • Replacement parts for my Halcyon light
  • Which light is best for wreck/cave/open water/photography?
  • What is the difference between the Scout and other C-cell lights on the market?
  • What do I do if my light floods?
• BC System FAQs
  • Backplates
  • BC System Weighting
    • ACB Fine-Tuning
    • Trim Weights
  • Evolve or Explorer as Single Tank Wing
  • Selecting Utility Pockets for Your Dive System
  • Understanding Wing Material
  • Webbing
  • Why does Halcyon use EPDM oval corrugated hose on their BCs?
  • Wing Pull Dumps
  • Contour Sizing
• Surface Markers and Lift Devices
  • How do I deploy a lift bag or surface marker using a spool?
  • What is the best way to stow a Halcyon lift device?
• Halcyon Sales and Tech Services
  • Where can I purchase Halcyon products?
  • The Halcyon Warranty Explained
  • The Halcyon Warranty
  • What do I need to do if I have a warranty claim?
• Stainless Steel Care

Halcyon continues striving to set a high standard in customer education and support. The following FAQs are designed to assist with your decision-making process and to encourage greater product understanding among Halcyon users. If you require additional assistance, please do not hesitate to contact a member of our team at info@halcyon.net. Thank you for choosing Halcyon.