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Review title: Great Information
Product review: WOW - I have come to understand the use of and affect of the different gases. I have been a certified SCUBA diver since 1993. I have over 500 dives and have been an avid reader of all types of dive magazines and books. This book, in addition to being a fascinating story, made it very clear what each of the different mixtures does and how to best use them. I have recommended the book to all my diving buddies.
