Jiří has been diving since 2009. In addition to wreck diving, his hobby is dive computers. He has already tested dozens of models of most world brands. The reviews are published regularly on the Internet. He is also the author of the scuba diving planning application: https://dugong.online
| Rec Classes |
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| Extreme Scuba Makeover Open Water Diver Advanced Open Water Diver Recreational 1 Recreational 2 Essentials of Recreational Diving Essentials of Technical Diving Doubles MINI Stage MINI Drysuit Diver Nitrox Diver SMB MINI Propulsion MINI Navigation MINI Night MINI Scooter Rescue Diver |