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I originally learned to dive in imperial units and later switched to metric because I find them easier to use but one aspect has troubled me. How do I take the imperial tank measurements I know and convert them to metric capacity? I've done some calculations myself with my HP100 tanks...

I have 2 Worthington 100s for sale, both in hydro and viz. The first (blue cap in the pictures) went through hydro and viz June 2021 so it's got almost the full 5 years left of hydro. The other (yellow cap) went through hydro November 2019 and viz February 2021. Manufacture date is 2010 (blue...

I haven't seen any course reports lately but they were super helpful when I was looking at classes, so I thought I'd add mine to the list. I just finished the GUE Drysuit Primer with Karim Hamza. Some background: I finished Fundies in February 2020 (about 8 months prior) with a rec pass and...

Hello, My dive buddy (girlfriend) and I recently finished GUE Fundies and she's now getting really into photography. She's upgrading from a handheld GoPro to a Sony mirrorless camera and try, with lights coming in the future. We also both have primary lights for signaling and communication. My...

Hello everybody, I'm about to order my first drysuit and I have 3 exhaust valve options: Apek's high-profile, Apek's low-profile or SiTech valves. I've seen lots of threads where people complain about issues with the Apek's low-profile valves but they all seem to be 8-10 years old. I'm not sure...

Hello, I'm starting to look at decompression diving and I can't seem to wrap my head around some of the theory. I've taken the online DAN classes and I understand that the modern Buhlmann algorithm uses 16 tissue compartments that each have their own half-time for saturation. I get lost when I...

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