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Here’s a couple of photos to give you an idea about the mountain bike tubing. Here you see the left shoulder from the front. You can see I’ve put the mountain bike tubing over the strap. You can also see that the mountain bike tubing has been worn through, as well as the strap. This is also...

I agree with this. The shoulder straps are there to prevent it from sliding left and right. The waist strap and crotch strap are there to hold it from moving up and down. If the shoulder straps were tight enough to be snug on you while in the water, they’d be too small for you to get in or...

This is something that drives me nuts. People ask something like, “how much lead can I drop when I use an HP 120 instead of an HP 100?” The answer? “*Add* two pounds. “But the tank weighs 12 pounds more! Surely I can *drop *some lead…” Nope. (Ref for PST E100 vs E120) So, to answer the...

To close the loop on this: I sent an email to Piranha about this valve. I did not specifically say I was going to post their message, so I will only briefly summarize their reply. My biggest reason for writing the email was to let them know about this issue. I assumed that they would have...

I own a previous version of the classic, which is what I think I linked above. I really, really like it. When you have to carry a lot of weight, it helps to have something that’s hanging from both your shoulders and your hips, especially if you have to do any walking on the surface with it. The...

One other thing to consider: It’s obvious you’re worried about the additional lead you add pushing her over to an “unbalanced” configuration. What I don’t understand is: why isn’t that lead you plan on adding ditchable? I mean, if you were adding lead bolted to your back plate, or selecting...

Just a note: there are two styles of LP85 often discussed. Some are 7.25” diameter and the same length as an HP100. They also hold the same amount of gas at the same pressure. I’m not certain that those aren’t actually LP80’s, not LP85: there’s lots of confusion with scuba tanks… Other tanks...

To expand on @Still Kicking ’s photo: the spool goes between the SPG and the end of the HP hose. It allows the SPG to rotate on the end of the HP hose. It is a required part for it to seal. There are a few different styles, and not all work for each combination of hose and SPG. Replacing the...

Here's the result: You can see that even with my attempts to save the chrome on the bottom, it didn't really work. I ended up re-applying the tape to the bottom of the valve like 3 times total but even with the tape on it would wear through the tape on the outer edge anyway, and by the end I...

TL;DR: the Blue Steel 7/8" UNF manifold currently being sold by Piranha Dive Mfg does *not* fit on 3500 PSI Genesis / PST tanks without significant machining of the valves! Read below for the nitty-gritty details, but unless you're comfortable machining the brass of your valves, be *very*...

Just thought I’d update this thread with additional results. I’ve learned new lessons and wanted to share. I cleaned four different tanks after hydro. I used the flash rust mixture: 1/3 cup filled to 1 gallon total. This volume of fluid filled a single tank up to near the opening when they...

I’ve got something like 700 dives, and like 80+ full cave dives. I *just* started taking a camera into a cave — but only a stand-alone GoPro, to be used only on the way *back*, and only for a few seconds in areas of the cave I know *well*, and with no nearby navigation decisions. It’s crazy...

I have an Aqua Lung singles regulator set for sale. It includes a Titan first stage, an LX primary second stage, a slim Aqua Lung octo, BC inflator hose, drysuit inflator hose, and Suunto console with depth, pressure and compass, with a high-pressure quick-disconnect. This regulator is...

More photos.

This is a unique and interesting regulator package. It is an Aqua Lung Mistral 50th Anniversary Limited Edition double hose regulator in an original wood presentation box. Only 500 of these were made for Aqua Lung's 50th Anniversary. This one is Serial Number 294. It includes the double-hose...

I have an Aqua Lung Mistral 2005 Edition double hose regulator for sale. It includes the double-hose regulator with mouthpiece, modern slim Aqua Lung octo, BC inflator hose, drysuit inflator hose, and Suunto console with depth, pressure and compass, with a high-pressure quick-disconnect. This...

Ah yes, the Christmas-tree diver: the diver with so much stuff hanging from them they look like a Christmas tree… Don’t be that guy… :) (Which is why that’s a great question you have asked.) Two answers: pockets or D-rings. The problem is: most recreational divers do not have pockets on...

While exposure gear can be rented, it’s usually threadbare and of questionable fit, so if you’re going to buy any gear, I would recommend focusing on the wetsuit. Renting fins and mask are certainly doable, and in my opinion more doable than a wetsuit. Having said that, some people are very...

For Michigan or Florida, that is a cheap price. I have been bugging my fundies instructor to double her pricing. She’s booked out a year in advance, and burning the candle at both ends. She can’t do that forever. And the simple solution is: charge more. She can make the same amount of money and...

I used to have separate singles and doubles setups. The wings are different, the regs are different, so it made sense to just have a separate setup for each. Now I don’t dive singles anymore, but I now have separate setups for different environments: cave/shipwreck drysuit dives vs swift water...