Lift Bag or Marker Buoy?

Inflatable buoy on surface of water.

A surface marker and guideline are an essential part of a tech diver’s kit. Most people use either a lift bag or an SMB (surface marker buoy) as the marker. A reel or finger spool are two options for carrying and deploying line. The reasons for carrying these items are many. If diving in a current, divers often deploy the marker, […]