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I receive "likes". When I click on the notifications I'm taken to my CP, but no threads are shown and the notifications are cleared. How do I view which posts received likes? It was easy on the old site, and I've ignored this problem here thinking it would be fixed eventually. Am I missing...

I attempted my first dive of the season today. At 105 degrees it was a perfect day to get wet. And, get wet I did.....for about a minute. I got down around 8 feet and felt a sharp pain developing just above and below the spot between the bridge of my nose and my left eye. At 10 feet it was...

I just finished tumbling my first cylinder. The cylinder is steel, and the media was aluminum oxide tumbled dry. I really liked tumbling it dry as the media just poured out of the small 1/2NPT opening as though the cylinder was an hour glass. However, even with a very agitated rinse, there...

I need to hear some real world experiences. I'm ready to replace the fluid in a depth gauge, and need some feedback on what works best, what works well, and what to avoid. What is known to attack painted markings, and what is safe. What is too thin, and what is too thick. This is for a depth...

I just got my first abalone and have read many of the on-line tips on cleaning the shell. I have everything ready to go, but one thing I haven't seen in all the tutorials is how to remove the ugly, dull green film or stain covering a good percentage of the pearlescent nacre on the inside...

I'm here for my annual summer in-law visit. I always try to hit Corona del Mar and Little Corona while I'm down here, but my mother-in-law prefers Huntington Beach (she's not a diver). Anyhow, I suspect I will be dragged along for a day at Huntington with the family, so would like to know if...

I have a few quick tumbling questions. 1) Dry vs. wet tumbling. When to use which? 2) When wet tumbling, can't rust start forming in the time it takes to remove the media, especially through 1/2" openings? If so, what's the point of tumbling for light rust in the first place? (This...

I just got several of my vintage steel cylinders back from hydro, and they came back with some flash rust in them. I know that some flash rust is acceptable. Heck, these guys even hydro O2 and SCBA cylinders, so if flash rust were an issue........ Anyway, I knew the flash rust might throw my...

Does anyone have any tips on making a tank whip that will fit into a 1/2" valve opening?

Does anyone know what the correct CGA gas fitting size is for a U.S.Divers 3-piece manifold? I bought a CGA-346 but found the nut was too small for the manifold threads.

Check out the double hose regulator featured on Google's search page: Google in honor of Mr. Cousteau's (would have been) 100th birthday today. (May not work tomorrow)

For hydrostatic retesting, I read that: "Minimum test pressure must be maintained for at least 30 seconds, and as long as necessary for complete expansion of the cylinder. A system check may be performed at or below 90% of test pressure prior to the retest. In the case of a malfunction...

For the purposes of a hydro, what is considered the "service pressure" of a steel 72? Is it the marked 2250psi, or the pressure at 72CF, being 2475psi? In other words, would the test pressure be 3750psi (2250 X 5/3), or 4125psi (2475 x 5/3)? I have a 72 where a hydro guy used a test...

I don't know how long this sale has been going on, but thought some here might be interested. The last episode shows quite a bit of Nemrod Snark lll Silver double hose, horsecollar, and manifolded doubles use during training. Amazon.com: Navy Seals: Artist Not Provided: Movies & TV

Short of buying a chain vice, what are some ways that a cylinder clamp can be made for holding cylinders secure for 1/2" valve removal/replacement?

I thought I was pretty well informed regarding the regulations concerning cylinder qualification and transportation. But, I was just thrown a curve ball this afternoon. It has to do with possible regulations regarding the valve itself. I have several cylinders which use 1/2" taper-threaded...

I have one manifold which has a yoke cylinder attachment which has raised a question for me. Each time I attach a regulator and open the valve, I hear a "Fffflip!" as the o-ring seals. It has never leaked, but none of my other yoke o-rings make a sound when initially pressurized, and I'm...

My goal is to keep my steel tanks in service as long as possible. I expect them to outlast me. I used to pick my tanks up and find that they were being filled about 10% PAST the rated 10% overfill (i.e. 20% overfilled) until I asked the LDS to please only fill my tanks to the marked pressure...

O.K. I give this hydro guy a lot of credit for being the only one I know of who does the 10% overfill calcs for the plus rating on my steel 72s, but now I have a problem. The story: I have a steel 72 with a 1/2" NPT opening which has an internal lining. The tank is beautiful- clean...

After patiently waiting, emailing, and checking Amazon, the original Flipper series is FINALLY coming out on DVD! The first season is slated to hit the stands next month, with a discounted, pre-sale price on now! If you love vintage diving and/or Florida (I LOVE both!), then this is a great...