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I am setting up a skiff that will live in a saltwater slip. There is a dive shop that fills tanks in the harbor, so I plan to keep a couple of tanks on the boat. They will get rinsed with fresh water occasionally, but other than that they will just sit in the boat. What will hold up better -...

Does anyone have a recommendation for a good Channel Islands dive guidebook? I am interested in the Northern Channels Islands, especially Santa Cruz. I have a boat and have been diving up and down the coast from Santa Barbara. I am ready to start exploring the islands, starting with the North...

I believe the pictured tanks are Norris 55s. Norris stamp on them, 3AA, 2015 psi. Does anyone have specifications for these tanks - buoyancy, etc.?

I picked up a box of old scuba equipment yesterday, including a couple of vintage regulators. I was looking for a double hose that I could fix up and dive, probably a Mistral or Aquamaster. It turns out that I bought a first build Siebe Gorman Mistral (thanks John for helping me ID it) and a...

I just moved up to Santa Barbara from San Diego and am looking for dive buddies for weekend and/or weekday evening dives. I am NAUI Advanced and Nitrox certified and have logged about 90 dives, mostly shore diving in San Diego. I have some experience freediving in the Santa Barbara area and am...

What size is the battery compartment o-ring for a Scubapro Aladin Sport? Is there a special procedure for this battery replacement, or is it just a straightforward battery swap and o-ring replacement?

Does anyone know if this book changed much between the 4th and 5th (current) edition?

Anybody seen a pro valve that doesn't have the yoke clearance chamfers cut into the back like this one? It came on a used tank I bought. My LDS checked the part number on the valve and said it should have been a standard pro valve. The valve in the tank is the new one I bought to replace the one...

Do I understand correctly that the S600 has a "seat saver" feature that prevents the LP seat from contacting the orifice when the reg is not pressurized? Meaning I couldn't dunk the reg set in my rinse tank after a dive because it would flood with water?

I am currently using a Mk15 with G250 primary and R190 octo. My shop told me that Scubapro isn't selling Mk15 service kits anymore, so I picked up a used Mk25 with S600. I plan to replace the Mk15 with the Mk25 when the Mk15 starts showing signs of needing service. The question I have is...

I bought this LP72 today. The inside of the tank looks nice and clean, but the yellow paint (or epoxy?) coating on the outside of the tank is chipping off. The tank is galvanized under the coating. Is there an easy way to strip off the coating while leaving the zinc underneath undamaged?

Does anybody know what model this first stage is? It doesn't look like any of the regulators that I'm familiar with.

I am planning to buy my first wetsuit soon, and have been looking at the Bare 8/7MM Velocity Ultra Hooded Semi-dry. I like the integrated hood, and their MT size seems like it would be a good fit for me - I'm 6'2", 175-180 lbs. I plan to buy local and try it on before buying. My question is -...

I contacted Aqua Lung this morning to request a product / owner's manual for my Aqua Lung Malibu RDS BCD. They informed me that they do not provide documentation for discontinued products. I'm a bit disappointed with this level of product support. Does anyone have a copy of the product /...

Is an owner's manual available for the Aqua Lung Malibu BCD?

Hi Everyone, I think this octopus is a Conshelf 21 - can anyone confirm? I want to be sure I'm ordering the right service kit. I have a service manual for a Conshelf XIV - are these instructions close enough for servicing this octo? Andrew

I am overhauling a Dacor 900 first stage, and I have been unable to find a source for a suitable new diaphragm. None of the diaphragms in the Trident catalog have the correct dimensions. Can the diaphragm pictured here be reused? It is still soft and pliable. Can the high pressure seat...

Hello All! I am interested in doing some diving this summer with no BCD and a lightweight, minimal gear setup. I enjoy exploring the coast snorkeling and freediving, and I'm competent with basic open water scuba diving. I would like to bridge the gap with a small, basic scuba system that I...

Hello All, I am a new member of ScubaBoard, but I've been on the forum without an account for awhile. I was certified by SSI as an open water diver in Santa Barbara in 2016. I have been snorkeling and freediving around Santa Barbara and San Diego for years, and I really enjoy the light and...