Now you can stay up to date with what is going on in the world of Precision Diving by subscribing to my blog.
New Precision Diving Blog
About Duane JohnsonDuane Johnson is the founder of Precision Diving and runs a scuba diving blog to help scuba divers improve their diving skills and enjoyment. He teaches recreational and technical scuba diving classes in the Chicago area. Learn more about him here and follow him on Twitter at @PrecisionDiving.
