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    RBW Member Rubis is an unknown quantity at this point Rubis's Avatar
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    Stuffed nose/sinuses after rebreatherdiving

    Good evening,

    just wondering if this happens to other people.

    I have noticed my nose and sinuses get really stuffed after I dive the rebreather.
    It takes 2-3 dives after diving to get to normal.

    I don't know if this has happened since the beginning, I know that this does not happen on open circuit (or not as much).
    After I noticed this, I made sure to disinfect lungs and loop after each dive, but it does not seem to make a difference.
    I have not dived the rebreather in salt water, only in fresh water so far. I winder if it has anything to do with the cave water ???

    Any plausible explanation would be appreciated ...

    Thank you

    Cris

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    Re: Stuffed nose/sinuses after rebreatherdiving

    What are you using for a disinfectant?

    You might be allergic to it.

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    Re: Stuffed nose/sinuses after rebreatherdiving

    are you equalising your mask sufficiently? having a constant mild mask squeeze maybe aggravating the sinuses to produce copious quantities of snot???

    rachel

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    RBW Member Rubis is an unknown quantity at this point Rubis's Avatar
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    Re: Stuffed nose/sinuses after rebreatherdiving

    Hi,

    I am using Vikron as desinfectant.

    I don't think the mask squeeze is the issue. I get a stuffed nose but without snot. The good news is I have no problems equalizing the ears, it's just difficult to talk or sleep at night.

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    Re: Stuffed nose/sinuses after rebreatherdiving

    Cris,

    I had the same issue (also fresh water mostly) at the end of dive when doing deco (means between 6m-3m on nearly 100% O2), nose so stuffed (but nothing on sinuses) that I was nearly not able to blow through it. After rinsing the nose (in frech water it was gone). This went on for nearly my first 20-30 dives and now it does not show up anymore. Never found an answer to that...

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    Re: Stuffed nose/sinuses after rebreatherdiving

    I also get congested on longer dives. I also used to get congested on OC dives with long 6 m O@ stops.

    I understand that it is an effect of breathing oxygen, but don't have a reference at the moment. I don't know if it's related to FO2 or PPO2.

    Bruce
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    Re: Stuffed nose/sinuses after rebreatherdiving

    my 2 cents, for what it's worth: try flying a little positive... don't take minimum loop volume too literally. OC gives you slightly positive to neutral gas, I've noticed CCR leaves me chronically slightly negative... makes it real easy to screw up my ears and can cause my sinuses to swell, not snot, more like edema of the tissues. Try laying face down for a while with your head lower than the rest of the body and see if you get the same effect... that's your sinuse tissues swelling up with fluid, not your nose filling up with snot, stand up and voilla, the pressure drains... accept with diving it's much more prolonged.

    g

    Quote Originally Posted by Rubis  View Original Post
    Hi,

    I am using Vikron as desinfectant.

    I don't think the mask squeeze is the issue. I get a stuffed nose but without snot. The good news is I have no problems equalizing the ears, it's just difficult to talk or sleep at night.

    Gill Envy

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    Re: Stuffed nose/sinuses after rebreatherdiving

    Quote Originally Posted by Gill Envy  View Original Post
    my 2 cents, for what it's worth: try flying a little positive... don't take minimum loop volume too literally. OC gives you slightly positive to neutral gas, I've noticed CCR leaves me chronically slightly negative... makes it real easy to screw up my ears and can cause my sinuses to swell, not snot, more like edema of the tissues. Try laying face down for a while with your head lower than the rest of the body and see if you get the same effect... that's your sinuse tissues swelling up with fluid, not your nose filling up with snot, stand up and voilla, the pressure drains... accept with diving it's much more prolonged.

    g
    That is why we have added a manual diluent valve, but O2 deco really causes stuffiness in me. Oh, and stay away from me when I suface, at least until I clear tubes.

    Dale

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    Re: Stuffed nose/sinuses after rebreatherdiving

    Hi Cris,

    None what your saying surprises me, we are not fish with gills and yes pressure affects the body, you donít have to have a degree from Harvard medical school to know this. Everybody has different sensitivities, thanks for coming forward and expressing yours. I donít think that youíre having a problem with disinfecting. On a different note I feel that my ears have been overworked from diving and I pay the price for it.

    Best regards,
    Chett. L

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    Re: Stuffed nose/sinuses after rebreatherdiving

    I have noticed my sinuses get so blocked I can hardly breathe through the nose when I am on deep/long dives also. I use a FFM and add and vent the loop through the nose so it is more noticeable for me.

    I also find a good blow out produces copious quantities of gooey mucus once back on the boat and then I am ok.......

    I remember reading somewhere someone saying about snorting some water into your nose the clear it out and I have to admit I thought what a terrible remedy. But after trying it....WOW it works a treat!!

    Just sniff in a small quantity in each nostril and then blow to clear it out. Clear as a whistle and it's no where near as bad as I had though to do it.

    Anyone else tried it??

    Regards,

    Lance

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