Precision Diving

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Top 5 Places to Dive Before You Die

May 12, 2010 By: Duane Johnson Category: Diving Destinations

When I first became a certified scuba diver, I had put together a list of scuba diving destinations that I wanted to dive before I die. As I’ve been trying to organize all of my scuba files, I came across the list. As I looked over it, I quickly realized that I have dove some of those sites. So I have revised my list. Below is the old list and the new one. Please feel free to post the dive locations you wish to dive before you die. (more…)

Zebra Mussels and Their Impact on the Great Lakes

January 04, 2010 By: Duane Johnson Category: Knowledge Base

Zebra Mussels

Zebra Mussels

Zebra mussels are a fresh water mollusk that have invaded the Great Lakes region. Originally discovered in 1988 in Lake St. Claire, these invasive species have disrupted the marine ecology. For divers, these creatures have helped and hurt our diving in the Great Lakes. Even boaters have been effected as boats that do not have the special paint on the bottom can attach zebra mussels to the hull. Many cities who use the Great Lakes for their drinking water source have been affected by the invasion of the zebra mussels. (more…)

Diving the EMBA

October 22, 2009 By: Duane Johnson Category: Trip Reports

As October approached, I knew that our days to get on Lake Michigan were numbered. Rob and Dave called me up and said they wanted to get one more big dive on Lake Michigan before the weather completely shuts us down for the year. I haven’t had a chance to dive with Rob and Dave much this year. All of us have had the usual stuff creep up in our lives and our schedules would never line up. We looked at a couple charters still going out this time of the year and saw that Shipwreck Explorers operated by Captain Jitka had an opening for a two tech dive day. We booked it. (more…)

Sea Sickness – You Have Nothing to Lose but your Cookies

April 20, 2009 By: Duane Johnson Category: Knowledge Base

They say that, when you’re seasick, you start off worrying that you might die, and then, after a while, you start to worry that you won’t die! I know from personal experience, seasickness is a debilitating affliction that can destroy the otherwise ideal day of diving. Understanding the causes of seasickness enables you to work on preventing the problem. (more…)

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