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https://scubaboard.com/community/threads/dryfob-xl-affordable-canister-for-plb.622985/ I don’t really have much to add to the review. I mean, it certainly long enough with pictures and everything… :-) And I use it as others have described: on my right waist strap, right next to my light...

It’s very difficult to know, what with variations in sizing as well as variations in size of the boot you’ll be wearing. When I upgraded from 5 mm soft sole neoprene boots to 6.5 mm semi-rigid sole neoprene boots I had to go up in size. Same thing when I upgraded to converse All-Star boots for...

So these were originally designed as SCBA cylinders? I had looked as closely as I could at the valve opening. It looked similar to but not the same as a typical yolk fitting, and it looked much closer to what I thought an SCBA connector looked like. But like I said my original post, all of...

I am far from an expert, but I’m pretty sure those are not SCUBA tanks. I can be fairly confident in saying those are not DOT 3AA tanks, nor are they DOT 3AL tanks (or any of the modern special permit tanks). Which means for all practical purposes in modern usage, those are not SCUBA tanks. I...

No, I would be willing to put real money behind the opinion that most people are upsizing because “bigger is better“ or fear, uncertainty and doubt. And if you only need a few feet of pipe, who the heck cares? It’s like pennies per dollar that you already spent on the compressor, so why not...

Well, then, my work here is done. :-) I think us “shade tree“ compressor owners tend to be a lot pickier than commercial applications. I think we tend to obsess a lot more and overdo things. For example, here’s a link to a document that outlines pipe lengths for compressors of different...

Any suggestions on what we should be targeting for back pressure? I just rebuilt my trimix stick. For my 6 CFM compressor I’m using approximately 6 feet of 2 inch PVC with the following layout: 02 injection, then approximately 24 inches of bio balls, then O2 sensor, then helium injection, then...

FTFY… :) I figured this too. Not archaeologists per se, but a person in a new environment thinking about their desires and inherent assumptions masked as needs, and assuming they have the best handle on the balance of factors of their ‘highly unique’ ‘requirements’ ‘necessary’ for success...

What can I say. I’ve used XStream seconds and Jetstream seconds. Multiple dives each time I’ve tried, and I’ve tried multiple times with each design. I dive them with a long hose, without a 90* elbow. When I do so in horizontal trim, I get bubbles across my line of sight and they get caught...

Servicing them is quite different from traditional regulators, both first stage and especially second stage. I don’t remember off the top of my head for the XStream,but it’s not unusual for Poseidons to need unique/custom tools to service. So know that if you buy these and expect to service...

I had the same experience. I just recently got a Waterproof 5/10 hood in size XL. I’ve had probably four hoods of various brands previous to this, all XL. Yet this is the first one where I feel uncomfortable wearing it: mainly from pressure on my jaw. It’s not overly uncomfortable, and I’m...

I know a little bit of ASL, including the numbers, but I wouldn’t use this one, because it is confusing for people who don’t actually know it: somebody already mentioned the similarity to the OK, plus the 3/6 confusion. I would use the hand up/hand down to avoid confusion and to be consistent...

It’s basically how my original open water instructor described the purpose of a knife while scuba diving. He said the purpose of it was not to fend off sharks or other such things, but instead to stab your buddy so you could get away. This was in the early 1990s, so the general idea of a scuba...

I have bought a fair ton of scuba diving gear from just these kind of people. One guy in particular went from open water diver to beginning technical diver in about three years. Realized that the next step to becoming a competent technical diver was going to take him a couple of years of hard...

Where’s the 0 meters option? :) My favorite part of owning my own compressor: I dive EAN32 on every dive (or trimix where appropriate).

I live in the metro Detroit area so I don’t have direct knowledge of mid Michigan, but I don’t believe there is a ton of exciting scuba diving in that area. Around here, we have three common options: One, trek down to the Ohio quarries. Most people go to Gilboa, but I greatly prefer white...

I have a single piece of 2 inch PVC filled with aquarium bio balls. I inject the O2 at the top, then probably 4 inches of empty space, then 18 inches of bio balls, then 4 inches of empty space, then my O2 sensor. My O2 sensor uses the screw-on sampling tip: that is what is inserted into the...

This is welcome news to me. As someone who goes out on the Ho Hum on occasion and hates both the sound and smell of engines, anything that is quieter and with less smell is welcome to me. At least they’re not diesels. :-)

And that’s why traceable back to to manufacturer-supplied document matters to me. It’s possible those are swapped. It’s possible that the tank is floaty with and without gas, and the negative means positive buoyancy. Or, it’s possible it’s flat-out wrong. At least with the...

To add items to the list I maintain, you need the following information from a manufacturer-supplied source! Dimensions — including water volume Weight Buoyancy full Buoyancy empty Without those, it doesn’t go in the list I maintain. HOWEVER: that’s why I include the spreadsheet. Feel free...