HP Hartmann completed the topic Switching Regulators with both Hands (Safe Regulator Switch) in the group Basic Side Mount Open Water Diver

HP Hartmann completed the topic Showing Tank Pressures in the group Basic Side Mount Open Water Diver

HP Hartmann completed the topic Showing Numbers in the group Basic Side Mount Open Water Diver

HP Hartmann completed the topic Checking the Pressure Gauges in the group Basic Side Mount Open Water Diver

HP Hartmann completed the topic Perfect Trim and Weighting in the group Basic Side Mount Open Water Diver