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    Coltri MCH 13 Compressor. MCH 14, MCH16

    Does anyone have ownership or experience with these compressors? The blocks are the same with different power plants turning the compressor crank at different speeds. They range from 9-11 cfm and are sold under different private labels of which the Max-Air 90 is one. I'm considering buying a...
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    titanium backplate

    Pretty easy to tell. Metal is non-magnetic, hard and the light weight is immediately noticeable.Al is also very soft. When you have double 130's the bolt threads holding the tanks will bite into the soft aluminum leaving marks. Of course they don't rust. I've also had stainless and aluminum...
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    Hydration: decompression efficacy vs IPE/IPO

    I agree with AJ and I'd add to avoid excess alcohol. I spent several hours discussing DCS with a chamber operator on Roatan and the message I took out of the discussions was it is all very variable. They had just treated a woman who was treated for a moderate DCS event who had dove a very...
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    titanium backplate

    I have three titanium backplates. One I finished myself from a blank bought from a guy in Ontario who used to sell them about 15 years ago. The other two I bought off e-bay from Chinese sellers. The last one cost $140 USD postpaid. This is an example Lightweight High-Strength Diving Backplate...
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    Speargun

    Put a post on spearboard looking for a buddy. JBL or Riffe will get you started. Buy used but you will need new bands on a used gun. You can also try to find a local club or others buddies in local scuba shop bulletin boards.
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    New Riffe Roller kit

    How much and have you made one for Riffe Islander? thanks
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    Looking For Cheap, Digital Dive Watch (<60 Feet). Preferably On Amazon.

    I bought this watch somewhere in about 1980. http://www.amazon.com/Casio-casual-black-resin-digital/dp/B000J34HN4/ref=sr_1_58?s=apparel&ie=UTF8&qid=1458700322&sr=1-58&nodeID=7147441011&refinements=p_4:Casio It finally died a month ago. I bought the exact same watch again at Walmart. I wanted a...
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    Suunto Mosquito, Keep Or Sell?

    Your manual should have a Dive Planning Mode where you can enter proposed depth and proposed surface interval. The great thing about computers is that it will automatically calculate that for you. Better yet it calculates deco at every foot several times a second where a table only factors for...
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    Suunto Mosquito, Keep Or Sell?

    Most liveaboard dive boats require a computer.They are far safer. Dive Computers VS. Tables | SDI | TDI | ERDI Mosquito uses RGBM http://www.ingentaconnect.com/content/sut/unwt/2010/00000029/00000002/art00002?crawler=true
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    Lion Fish: A Tasty Solution

    Great news. All divers should order lionfish if its on the menu.
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    Scubapro Mk25 A700 Or Apeks Black Sapphire? Need Help Deciding.

    Both are excellent but I'd go with a XTX50. Same performance, less bling, less money. http://www.atomicaquatics.com/reviews_PDF/July07Regs.pdf Declassified: the world's deepest diver Thats not to suggest that the scubapro MK17 couldn't do the same dive. All the apeks above the xtx50 DST,DS4...
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    Congestion And Disappointment

    Cleaning Nasal Passages With Salt Water Just keep trying but don't force the issue. If its getting better already, it should clear up but forcing the issue for one days diving isn't worth serious injury. Spend some time in the pool(middle of the key) and get your head under water a bit. Just...
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    Sailfish Isla Mujeres Trip Report and Images

    WOW!!! those are great images. Thats why I sold my Sea & Sea camera. Try as i might I could never come up with images like that.
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    What do you look for in a dive knife?

    I've used a knife about once every 150 dives. Usually to cut fishing line or anchor lines. IMO the cheap titanium knives on e-bay, bought used, or the one in the earlier post for $25 can't be beat. In theory titanium doesn't hold an edge like specialty steels but it will hold a edge sharper...
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    can I put a reel on my spear gun?

    Spearfishing Solutions Contact these guys. The website makes it look lie wholesale only but they are retail. You need to go to a specialty spearfishing shop. Or these guys: http://www.scubaboard.com/forums/members/mako-spearguns-135224.html
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    Big catch

    You'd have to ask the Japanese on that one.
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    POLL: What was your first dive computer and would you buy it again?

    Oh ok! Started with this: USN Dive Tables Then made a huge leap with this: BENDOpicturePAGE Most dive computers made in the last 10 years are much better.
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    POLL: What was your first dive computer and would you buy it again?

    I think you're asking the wrong question if you're looking to buy your first computer. Perhaps it should be "What would you recommend as a good/the best first computer for someone starting out???? The first answer is a good one. "Oceanic Veo 2. Would get it again as a first computer. Single...
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