Thanks for the kind words. I am using an Olympus 4040 digital camera in an Olympus underwater housing. These pictures are as is from the camera, except for resizing. I am pretty new to underwater photography. Only my third trip since I started. The first picture in this thread is probably...
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I've seen other people saying they have done this. Makes no sense to me. For aragonite to dissolve is needs to be in water with a low PH. These conditions are supposed to be found at the bottom of the sand bed. So why...
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I've never heard of anyone who has been able to rely solely on an aragonite sandbed to maintain desired alk and calcium levels. Does aragonite dissolve and add some buffering effect? Probably. Does it do away with the...