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Aka: all single hose regs are subject to crud getting in. Sand should blow on through. If it happens again, check to see if there is any excess grease in the case.

I don't see any reason to use an acidic cleaner unless there is some grody green stuff. In a pinch, I will dip a copper filter into muriatic acid. Cleans up nice, but don't leave it too long(G). Anyway, I noticed the comment that 50/50 is out. Somebody better tell Apeks. I'm not an Apeks...

If they're made of natural rubber, it's the normal ambience of tree gum. Almost all rubber gear used to smell like that. My BioFins have that wonderful aroma. Otherwise, don't know.

The physical therapist is right. Doing calf raises on a machine will eliminate cramps. Start out with no weight and move up. If you don't have a machine, it is possible to place a medium barbell on the shoulders, lean against a concrete wall and do the raises with toes on a block of wood. Either...

Thanks, son of Darius. Apeks owners have got it made. Seems like it is easier to get this kind of info from Europeans than USA. In this case, it is a cojoining of the two? A wink and a nudge? Once upon a time, I walked into Bauer HQ/Norfolk and walked out with a free shop manual for the...

Leave the cap secured to the regulator. If wet, blow it off with compressed air. Do not blow air into the regulator inlet. Don't assume that you will be able to find your dustcap or anything else unless it is right in front of your face. A boat deck is not a powder room, make your moves...

How about that Apeks? Funny you should mention it. I was looking at their home web site(UK). There are some plain and simple schematics and flow diagrams. The Apeks people did some neat engineering which involves tricky looking drilling and milling to reduce the number of moving parts. One...

Some regs are easier to work on then others either because of number of internal parts, special tools, or subtleties of design which make it difficult to determine the disassembly points and methods. This makes it necessary to have diagrams and obtain some practical tips or shortcuts. Once the...

No hard and fast rule on this. A couple comments though; Freediving spearfishermen (with snorkels) swim in kelp with no problems. Normally, they use a smooth J-pipe with no special valves, etc to catch on stuff. However, swimming on your back with SCUBA could be an entanglement issue. Also, the...

It's a good idea to carry extra gear on extended trips, I bet that most of us do. However, routinely wearing an extra pressure gauge seems excessive. The dial gauges are fairly delicate. Dropping a gauge can cause the internal gears to jolt out of alignment. The small internal stem which allows...

I doubt that "freediving after SCUBA" is a direct cause of the accident. However, it has been reported that freediving before SCUBA is risky insofar as it may result in fatigue, dehydration, cold, and repetitive(deco) dive concerns. It may be that a freediver, especially a spearfisherman, who...

jbd, good for you. This "life support" bit is a mystical term to intimidate the uninitiated and make the SCUBA industry priests feel more important, lock up trade, and charge higher rates. Already, they hang out shingles like physicians and lawyers. Heck, people used to build their own diving...

The Sporasub Samurai is extremely small.

This is for the record only, no replys necessary. I make every effort to ensure my statements are accurate. In this regard, I stated that no small commercially made air compressor could match the performance of the military spec'd compressors dating back some 40 years. However, I found some data...

Sulaco, portables are starting to show up on E Bay. There is a used Bauer Utilus 10 and a new Junior II. These are very similar 3.5 cfm units, the smallest that Bauer makes. The US retail prices run about $3500. However, I know that a couple years ago the retail in Germany for the J.II was...

Rodale doesn't appear to take the Force fins too seriously. They like the splits; Apollo, Atomic and Scubapro. Next in preference have been Mares and Aqualung paddle type blades.

I don't use an octopus. However, in the event that I was diving with somebody else and, with wide eyes, snatched the regulator from my mouth, I probably would die laughing. If it was a prank I would be pissed.

Iceberg, the Davey compressor is a familiar surplus item. You are probably looking at a 4 stage, 15 cfm model. Most of the ones that I have seen are powered by an twin cylinder Onan diesel or gas engine of, I think, about 20 hp. They were popular with dive clubs. The only one I have personally...

Or is it "aluminium"? Anyway, go with the aluminum plate. A lead belt will place more weight in the mid region. For most tropical divers with aluminum tanks I would conclude that this is preferable to a sheet of steel across the back. Also, there will be fewer galvanic currents to attract...

lal, if you read the link, you have probably concluded that you're SOL. From 1984, SP was producing a version of the MK10 which had very small ventilation ports. This was done to facilitate the company's anti freeze fix. The diver could open the case and pack the piston chamber with silicone...