Michael V. deGruy


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Michael V. deGruy has not yet updated their profile :(

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  1. scuba7 commented on HybriDiving
    Wow, spectacular video!! However, I have serious reservations about combining apnea diving with SCUBA. The risk of pulmonary-barotrauma and air-gas-embolism is way ***WAY*** too high for my taste. Y'all demonstrated that it can be done safely,…