MK2 or MK2+?
- Thread starter Simpel
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halocline
Contributor
Yes it does, the G250 and G250V are fairly similar, the G250hp has a different balancing and adjustment mechanism that I think is too complicated for what it does, and the air barrel is plastic instead of metal, which tends to dry out the air a little. So I would go for either the original G250 or the G250V.
There are other options, though, the G200b is an excellent, simple 2nd stage that lacks the user adjustment but is otherwise identical to the G250. You can often find those at a great price.
^^^^what he said^^^^^
Look for an original G250 or G250V.
Nobody buy any more C370 second stages until Scubapro gives us a C370T
. We are black mailing them to give us a titanium barrel with a titanium Mark 11 Evo T for first stage!
Look for an original G250 or G250V.
Nobody buy any more C370 second stages until Scubapro gives us a C370T
. We are black mailing them to give us a titanium barrel with a titanium Mark 11 Evo T for first stage!Eric Sedletzky
Contributor
I have an older 2001 MK2 with a G200B (which is nothing but a G250 without the tuning knob) and an R190 on a bungeed necklace. I would use this reg anywhere for anything. I always soak my regs still hooked up to a tank and pressurized. I have a big galvanized watering trough I use to soak gear.
After soaking I hold the hose up to the ambient holes and force fresh water through the reg holes.
I also have a theory for using open piston regs in dirty silty water: Don't depressurize the reg right after a beach dive and let it dry depressurized, because the piston will retract and the grit will dry where it wouldn't normally be able to get to if you would have kelp the reg under pressure.
During normal breathing the piston doesn't really move that far for grit to get in between the O-ring and the cap body.
There is always a lot of chatter about the evils if open style piston regs, and how sealed diaphragms are so far superior. I disagree.
I don't like the cone shape or the engineering aspect of most of the diaphragm HP seats. They are a flawed design and I have not only seen but heard about several that have grenaded and caused sudden extreme high pressure blow outs.
There is no way a piston HP seat can do that.
Not only that, just the simplicity and fail proof design of piston regs make them the absolute most reliable.
I have torn down many Scubapro piston regs that are very old and very crusty. In every case I have been able to restore them back to perfect working order. I have a friend who works at a very large dive center in the Los Angeles area. They regularly get dozen of sets of MK 25's from the university and from military and law enforcement. None of these regs are well taken care of, but after a cleaning and full service they are back to working like champs, year after year. Scubapro is made for it and the quality of their materials and manufacturing speaks for itself.
If piston regs were that bad the the MK 25 wouldn't still be their flagship regulator, they would have abandoned the piston idea years ago, don't you think? But they haven't.
Piston regs are still and always will be the best and most reliable regs in the world and nothing will ever beat them.
After soaking I hold the hose up to the ambient holes and force fresh water through the reg holes.
I also have a theory for using open piston regs in dirty silty water: Don't depressurize the reg right after a beach dive and let it dry depressurized, because the piston will retract and the grit will dry where it wouldn't normally be able to get to if you would have kelp the reg under pressure.
During normal breathing the piston doesn't really move that far for grit to get in between the O-ring and the cap body.
There is always a lot of chatter about the evils if open style piston regs, and how sealed diaphragms are so far superior. I disagree.
I don't like the cone shape or the engineering aspect of most of the diaphragm HP seats. They are a flawed design and I have not only seen but heard about several that have grenaded and caused sudden extreme high pressure blow outs.
There is no way a piston HP seat can do that.
Not only that, just the simplicity and fail proof design of piston regs make them the absolute most reliable.
I have torn down many Scubapro piston regs that are very old and very crusty. In every case I have been able to restore them back to perfect working order. I have a friend who works at a very large dive center in the Los Angeles area. They regularly get dozen of sets of MK 25's from the university and from military and law enforcement. None of these regs are well taken care of, but after a cleaning and full service they are back to working like champs, year after year. Scubapro is made for it and the quality of their materials and manufacturing speaks for itself.
If piston regs were that bad the the MK 25 wouldn't still be their flagship regulator, they would have abandoned the piston idea years ago, don't you think? But they haven't.
Piston regs are still and always will be the best and most reliable regs in the world and nothing will ever beat them.
axxel57
Contributor
Yes, in Germany diving in lakes and other cold water environments with a SP MK2 ( whatever model) 1st is I think still considered as a veritable suicide attempt.
But until recently German Divers in avarage have been also remarkably clueless about the designs and functions of Scuba Regulators in comparison with other nations divers as I see it, so they didn't understand the difference between a Flow Through Piston Design and a Flow By Piston Design concerning Cold Water Diving.
Germany is a very rich country, so it was never difficult to convince there the diving community to choose more expensive alternatives.
Internet has helped and reduces now slowly B...sh.t comments and assessments in Diver Forums about these issues.....
But until recently German Divers in avarage have been also remarkably clueless about the designs and functions of Scuba Regulators in comparison with other nations divers as I see it, so they didn't understand the difference between a Flow Through Piston Design and a Flow By Piston Design concerning Cold Water Diving.
Germany is a very rich country, so it was never difficult to convince there the diving community to choose more expensive alternatives.
Internet has helped and reduces now slowly B...sh.t comments and assessments in Diver Forums about these issues.....
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