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scuba-tips-advice-how-to-professional

Originally posted 2019-02-22 12:25:30. Scuba Q and A: How Can I Use Less Air While Scuba Diving? Q. How do you use less air while scuba diving? Answer: Some divers, especially low-quality instructors, usually rush to suggest all manner of easy quick-fix solutions, that don’t really work. The truth is, your respiration demand is driven […]