When choosing a housing and camera there are two annoying things to consider – you might flood or lose it. This is one of the reasons I dont recommend using your phone. Whilst the cameras on phones are getting increasingly sophisticated, the chance of loosing it to a leak or simply dropping it are possible.
Scuba Fundamental is a unique book for people who are thinking of learning to scuba dive. It tells them what they need to know and should do BEFORE they sign up for a course. It also gives them impartial and reliable advice on important things about learning to dive that nobody ever tells prospective divers about and that they only find out much later: sometimes too late.
The phrase muck diving was coined by Bob Halstead when he described diving off black sand beaches in Papua New Guinea. This unusual type of diving has gained great popularity and involves diving sites with sandy or silty bottoms, in search of the critters found there. Some of the best sites for muck diving are volcanic areas and sea grass beds.