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  1. Subcooled

    New to dork diving. How do I get certified?

    I have them now. I've had them for a couple of years alredy.
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    I need a robust sidemount rig for cold water overhead deco dives

    I have been diving sidemount since 2011. My DIY rig is growing old and the wing is no longer in the best shape possible. I want a new rig. I'd like to hear your suggestions. I will list some criteria below. In short: no low profile D-rings or square D-rings or other weird stuff (KISS), weights...
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    Question Drysuit seal replacement cost?

    Similar lower prices (1/2) where I live in Europe. I suppose it is an european thing, maybe, actually, rooted in values.
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    Dive shop damaged my 1st stage? do I need weights? Fin help?

    This is why we love sidemount. Nothing's gonna roll you upside down. To the OP: Servicing regs can be a boring job and tools may leave marks. You do love your own set a lot more and will be gentler (which does not always guarantee mint results, though), so I 100% agree with this.
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    Equipment Exploding tank shrapnel injures boy - Ploče beach, Montenegro

    Was it a neglected tank? No hydrostatic pressure tests done? No visual inspections? I thought cylinders would fail in a controlled manner if they were only overfilled. Was there an oxygen fire?
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    Question Drysuit seal replacement cost?

    Isn't that a bit expensive? How much do the parts cost? How much for labor? I am not aware of the price level in the U.S. but it's hard to think that neoprene as a material would be costly. The DUI brand may be, though. Locals may give you a better answer.
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    Question Multiple Deco Dives in One Day Experience and Rules

    I am not the most knowledgeable guy on these issues, but I will try to answer. We have tables and computers to calculate mandatory decompression stops. More dives is of course more risky, as there are bubble dynamics that are included in some models and not in others and the topic is...
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    Removing stubborn white residue off mask

    A new mask might cost less than all these cleaning attempts. I do carry two masks, btw.
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    Trying to decide between 3 different BCDs

    A single HP100 will not be enough if you want to spend any time down there at 120 feet. You would want two (you need to have contingency gas, remember). This means that you will want either a backplate that can be upgraded to carry doubles (and a new wing) or you start diving sidemounted...
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    Just bought my first tank

    Pressure vessels require regular inspections. There are two types of inspections: visual inspections (someone certified looks into the cylinder) hydrostatic pressure tests to see if the cylinder has kept its elasticity; if it stretches and does not revert to original dimensions, there is a...
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    Removing stubborn white residue off mask

    Be careful with the frame though! You'll only want to work the glass.
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    Removing stubborn white residue off mask

    I do not know what those deposits are. Could they be calcium? You have tried baking soda (sodium bicarbonate) with pH 8.3 = alkaline How about vinegar, pH 3 = acidic? Or lemon juice? Note that "To remove calcium deposits, use an acid-based cleaner like white vinegar to dissolve them, or use a...
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    Dive planning for older divers 70+

    Nitrogen loading is a physical process. It does not ask your age. Offgassing is another. If the dive has been deep enough for the nitrogen to enter bubbles in the blood stream upon ascent, then blood flow may be hampered locally bubbles may cause an inflammation, hence see #1 These will cause...
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    Equipment My first out of air situation

    That's a nice amount of dives for the first year (or less). Nice You spent 110 bar in five minutes??? Something does not add up. Anyway, you are out of air. It has happened to me too, once unplanned at 60 ft. Nice I have done the same thing myself, and it was not a wise choice. What if you...
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    Feedback on recent two-tank and dive limits

    Some people think that the dive ends at 18 feet. It does not, however. The shallow stops can be great for many reasons: Sunshine, finally. Plants and fish to be seen. All the extra time spent at 15 or 9 feet is still diving. Buoyancy control skill grows fastest in the shallows. I feel much...
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    Feedback on recent two-tank and dive limits

    Your dive guide said it is perfectly safe for him/her. So, maybe it is. However... Have you been drinking enough water during the week prior to diving? Sun bathing? Drinking alcohol? Dehydrated for some other reason? Are you fat, in bad physical shape, old, or with a PFO? When did you last...
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    What's your favorite mouthpiece?

    Apeks Comfobite is good.
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    Shallow water depth gauge

    It's hard to find modern depth gauges that would be limited to shallow depths. Here are two that reserve more space for the shallow depth values: https://www.paragondivestore.com/products/oceanic-maxview-depth-gauge...
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    Logging. Do you?

    Diving logs are boring. I keep a diving diary with pictures instead. Sure, it contains times, depths, profiles, gases etc. but it also contains written descriptions of the dives. It is not just a log, it is a diary with photos and all. I do keep digital diving logs but the diary is strictly...
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