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The plate says 1 P. That means one phase. It says 220 V, so that means 220 V. :-) It needs 14 A of 220 V. So you will want to power that off of a 20 amp circuit or greater. A dryer or oven circuit would work fine. If it’s something you’re going to be using regularly from a single spot, you...

There’s two opposite ways you can go about this: One, a larger tank will give you more ‘air’. More air is not likely to give you *less* time, though it will probably give you less time than you think it will, because of the drawbacks that that larger tank brings. But in the grand scheme of...

I’ll throw a post out here…. I’ll be at White Star on Monday (10/23) with two other guys. I don’t get down there often, but I have been known to meet up with people down there from time to time. If I’m diving the quarry it’s usually to work on skills. I’m happy to work together with divers of...

No, the tank itself is the problem. The valve is also a problem, but that’s a separate problem. :) In the United States, in order to be filled in a commercial setting, meaning from a dive shop, a tank must have a DOT certification. European tanks don’t have DOT certifications. There is a UN...

FYI, Dive Gear Express sells the quick release parts. I simply bought one of the quick release bases and attached it to an existing Goodman handle. I used a small drill bit to drill two holes for the bolts to go through, and a larger drill bit to drill a shallow dimple halfway through the metal...

I agree. But it’s cheap. It seems that @Dann-Oh is especially sensitive to price. As a recovering cheapskate myself, I understand the concept. As a technical diver with a few years experience now, I now find it much more effective to focus on figuring out the proper plan first based on the...

I can’t believe how angry this is making me. Yeah, maybe it’s selfish, because if it were sunk as a wreck I would be able to dive it. But I can’t believe the unbelievable waste that this will be. Unless maybe I’m misunderstanding. Would the community have had to pay anything for the divers to...

Don’t mind Pete, I got your joke… :) @The Chairman I’m confused by *soft* weight. How do you do anything other than make a pile? With hard weight, you could actually build a house by leaning blocks against each other and putting a roof. But I’m unclear how you do that with bags of shot...

It isn’t that bad for recreational dives in the Lake Huron Thumb area (mainly Port Sanilac). I think it’s rare for the Go Between (the DRIS/Double Action Dive Charters boat) to sell out more than a week or two out, if at all. There’s probably 6-10 wrecks you can do at 130 feet or shallower...

Last time I was in Cave Country, I went into EE with my children. And as I was walking in I said out loud, “I’m not gonna buy any more spools. I’m not going to buy any more spools. I’m not going to buy any more spools.“ Of course I left there with a Defender Pro. In my defense, at least it...

Totally agreed. That’s the one I would have picked. At least with tanks, I don’t usually lose money buying and selling them. Unlike regs, where I do. I just sold my personal set of Sherwoods (plus service kits) as a doubles set for a diver making his way into tech. It will cost me almost as...

Still happy with it: https://scubaboard.com/community/threads/forensic-detectors-carbon-monoxide-co-detector-review.622086/

Thos thread probably isn’t a good place to debate this, but plenty of people have become ill or even died from bad scuba air that was pumped by electric compressors. There have been specific examples where a truck unknowingly idled outside of the intake while the compressor is running. I have...

Ugh, I just knew it would be that one… The MCH6 cartridge is pretty much universally considered by everyone – except maybe those who actually sell MCH6 compressors – as being too small to be useful. As a duplex cartridge, meaning without CO protection, they last maybe a dozen tanks. As a...

Funny you should ask… :-) https://scubaboard.com/community/threads/forensic-detectors-carbon-monoxide-co-detector-review.622086/

Funny, that’s the part that is interesting to me! :) Mainly because, assuming the compressor does not actually turn itself into shrapnel, the filtration is the only thing between you and death from either CO or lipoid pneumonia. Dramatic, maybe, but CO at depth is *much* more deadly than on...

Alkaline batteries leak because of the design of the battery. The metal casing is literally consumed as part of the chemical reaction. So when you leave a battery in a device that never turns itself completely off (like a dive computer or digital camera or any other modern device that doesn’t...

I can’t tell you how frustrating it was to have this pop up as a new (updated) post, read through 10 pages of posts about the back-and-forth tussle over this ship and then to find out it’s going to be scrapped anyway. Seriously: is there a single person who thinks that this was a better...

I’ve tried to make this point before. People say the same thing: it’s always the same reasons, we know what they are, why should we rehash them? What have we learned? Do these people not have children? or coworkers? Do you know how many times you have to tell someone about the consequences of...

The photos aren’t the clearest, but you can make out the E9791 marking. That is the special permit (used to be exemption) for PST high-pressure steel tanks. If so, then yes: it’s a PST tank. The photos did not seem to include the fill pressure, but given the visual neck size I would bet big...