I see there are quite a few underwater camera options but these cameras are metal so are they actually reef safe in a nano tank?
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Ice cap one is pretty good
https://www.bulkreefsupply.com/unde...9uhleV3tL0xwOaUrN-FV7LI4Wz6zCtCQaAhXgEALw_wcBNice but it's a video recorder not a macro camera

