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I seem to have trouble locating the service manuals for the Hollis DC (1, 2 or 3) and 212 second stage set-up I have. I tried the usual spots at "frogkick" and "divestock". Are there a similar/parallel Oceanic service manuals I should be referring to? Actually, If someone told me what the specs...

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Let me try to answer this another way. I recommend resisting the temptation to purchase another set of fins. Most travel fins are lighter and lacking the thrust of most people's "every-day" fins. Why pay a lot to travel and compromise your scuba skills/ability familiarity by going to a...

I use a pair of the Highland cam bands with the quick release I purchased from Dive Gear Express. I use them for the very same reason the OP is asking to use them for (pony tamer, pony bracket). Now it is a quick 5 minute job to mount it on the tank and adjust the rotation/clocking so the pony...

Sorry, I meant to say it was the ScubaPro Air 2 mounted in place of the BC inflator(not the Spare Air). Although, I also used the Spare Air and strapped it to my leg. In my opinion it was not enough air so I started slinging or mounting larger pony bottles instead.

I have not recently used the "spare air" inflator and backup second set-up. I used them when I first got certified in the early 90's because that is what the university program gear room supplied to all the students. I am assuming these units are much better than they used to be. The old ones I...

Hi folks, I have owed a Petrel 2 for two years and like the computer a lot. Is there any way we can add a "dive details" category to the desktop? I usually need to enter the visibility estimate into the "Notes" or the "Other" category on the bottom of the details tile on the right. This would...

I have a Hollis 212 myself and see your problem. I would still use a rubber strap wrench. Find a plastic pipe or soup can about on eighth to one quarter inch or so smaller diameter than the cover diameter. Place this on top of the cover and then wrap your rubber strap wrench over it to give you...

I mount a hose/spg unit to the left lower arm dangling from a "fastex" snap quick release buckle that has the locking tabs ground to allow it to pull away in case I need to ditch all my gear. I normally mount a Shearwater Petrel to the mid arm on my left side. I also run the spg with a Myflex...

I ended up taking both the Faber 130 and 117 on multiple boat dive trips and really like the 117. If I don't set it up correct, the bottom bumps the back of my legs and if too high, it prevents my head from bending all the way back. The valve and regulator first stage interferes with the wing...

The amazon product example is a little slower but has less items to fail or leak. Just a simple magnet on the outside and another magnet on the inside with a wiping surface sandwiching the mask glass. Similar to aquarium cleaner magnet set-ups. The wiper is an idea some applications may find...

One additional issue is the hex hole in the donut comes in two different sizes depending upon the valve manufacturer. Somebody help me... define if the O-ring among those two are the same? (The yoke O-ring comes in a standard large you see on the outside of a donut (and on non-donut valves) and...

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Funny thing, diverightinscuba.com is closing out the Hollis DC3 and 212 combo for $200. This regulator is in DIN. It seems Hollis is discontinuing the 212 line and some of the first stages. You can buy the yoke adapter if you choose for around $45. As I see it, this regulator is likely an...

Sorry, that should be the 4th feature. I assume if you buy a regulator from a "major" you would get that serviceability, anyway. Under the same direction as tbone's comment... After you arrive at the final two or three models to consider, call three local dive shops and ask them what the service...

I will try to get back to help the original poster's concerns... I recommend buying a regulator with the 3 features mentioned (balanced diaph 1st, barrel poppet-pneumaticly balanced 2nd, non-grease environmental seal on 1st). Also I recommend buying it in yoke. Someday you may have a special...

I would recommend the Hollis DG1 (first) and 212 (second) combination from divegearexpress.com for $250. It is a reliable, environmentally sealed (not using grease) fist stage regulator having the same manufacturer (American Underwater Products, AUP) as many other regs out there with similar...