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Thread: Relative Humidity...

  1. #21

    Default Re: Relative Humidity...

    I guess so. They use non-potable water for the toilets? Granted I am not drinking it, but still the eyes is one of the organs having mucous membranes and can take in bacteria/virus into the body. But I guess not as bad as drinking it and kena really bad food poisoning lah. (always carry charcoal pills/activated charcoal, take it at the very first sign of tummy aches, no issue at all as its not even a medicine....better than antibiotics like noroflaxcin/ciproflaxin as sometimes it might be too late).

  2. #22

    Default Re: Relative Humidity...

    Quote Originally Posted by 2100 View Post
    It's always dry on the planes, always need eyedrops for anything more than 3 hrs.... either that or I'll go to the toilet and wet my eyes with water from the toilet taps (btw is that safe?)
    NOOOOOOO!

    Please use eyedrops or saline. There are nasty things that can happen with tap water (furthermore non-drinkable tap water).

  3. #23
    Member pansclub's Avatar
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    Default Re: Relative Humidity...

    Hi sorry to jump in, just share a bit of how I kept my gear, my camera and lens are kept in 60% rh and I have no problem to fungus, crack rubber, dry up grease, harden wire , my camera and lens are 30 years old, and the dehumidifier was made in Japan and runs on 110 v AC. this was o e of the ealiest dh cab i could find in1980.So just share what I did maybe this long experience could help those who is deciding what best to set.
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  4. #24
    Member 9V-Orion Images's Avatar
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    Default Re: Relative Humidity...

    Quote Originally Posted by Timolol View Post
    NOOOOOOO!

    Please use eyedrops or saline. There are nasty things that can happen with tap water (furthermore non-drinkable tap water).
    Not advisable either, just imagine for a moment that you are tilting your head back with a small bottle of eye drops (capacity not exceeding 100 ml) directly above your eye and the seat belt sign happen to lit up. The next thing you know you are being toss around in your seat thus resulting in the < 100 ml bottle of eye drops being shove straight into your eye as the aircraft hit a pocket of Clear Air Turbulence (CAT).
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  5. #25
    Member hotwork77's Avatar
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    Default Re: Relative Humidity...

    Quote Originally Posted by pansclub View Post
    Hi sorry to jump in, just share a bit of how I kept my gear, my camera and lens are kept in 60% rh and I have no problem to fungus, crack rubber, dry up grease, harden wire , my camera and lens are 30 years old, and the dehumidifier was made in Japan and runs on 110 v AC. this was o e of the ealiest dh cab i could find in1980.So just share what I did maybe this long experience could help those who is deciding what best to set.
    Yup Bro...we know that. But we are sharing about low RH23% on the aeroplanes.

    As long as the RH is lower than the surrounding, it will impede fungus growth but will not totally eradicate it. In Perth the RH is hovering around 30%, mildew still managed to grow around the house. In Singapore the RH is around 80%-90%, fungus and mildew will grow in double quick time.

    In the end you can only do so much.
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  6. #26

    Default Re: Relative Humidity...

    I travel 3-4 times a month, sometimes more. Don't have any problems with my gear on board. And I don't take any special precaution either.

    Only thing I can share is try not to dis-mount your lens from the body in flight. Had a buddy do that, and maybe due to the static electricity, a puff of dust got suckered into the camera body as he removed his lens...

    Cheers
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  7. #27
    Member hotwork77's Avatar
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    Default Re: Relative Humidity...

    Quote Originally Posted by Otoro View Post
    I travel 3-4 times a month, sometimes more. Don't have any problems with my gear on board. And I don't take any special precaution either.

    Only thing I can share is try not to dis-mount your lens from the body in flight. Had a buddy do that, and maybe due to the static electricity, a puff of dust got suckered into the camera body as he removed his lens...

    Cheers
    In low humidity countries (not only in airplanes) there's plenty of static. If you don't ground yourself, there's a possibility of attracting dust whether on yourself or the gear you hold.

    Just to share: we often hear advice that airplane cabin can be very dry. Drink plenty of liquid etc. Don't drink alcohol or coffee etc. In my mind, I wanted to know how dry is dry so I brought along a spare hygrometer for the trip. That's what started this thread.

    In my home, the RH is +/- 30% unlike in Singapore where it is 80%. Also to share, low humidity also have fungus and mildew problems.
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  8. #28
    Member 9V-Orion Images's Avatar
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    Default Re: Relative Humidity...

    Quote Originally Posted by hotwork77 View Post
    In my home, the RH is +/- 30% unlike in Singapore where it is 80%. Also to share, low humidity also have fungus and mildew problems.
    A well ventilated storage area is just as important in preventing the growth of fungus.
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  9. #29

    Default Re: Relative Humidity...

    The humidity level of my dry box will gradually increase a little over a few weeks. Is that normal? Have to keep checking and adjusting back to 45%?

  10. #30
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    Default Re: Relative Humidity...

    Quote Originally Posted by Izzue View Post
    The humidity level of my dry box will gradually increase a little over a few weeks. Is that normal? Have to keep checking and adjusting back to 45%?
    That's the side effect of having a dry box.
    Unless you want to watch the fungus growing you will need to check and replace the Silica Gel.
    EOS

  11. #31

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    Quote Originally Posted by Izzue
    The humidity level of my dry box will gradually increase a little over a few weeks. Is that normal? Have to keep checking and adjusting back to 45%?
    Of course it normal, the effect of the silica gel runs out over time and you need to add in fresh ones. If you don't like to keep adjusting the RH then just get a dry cabinet

  12. #32

    Default Re: Relative Humidity...

    Quote Originally Posted by spree86 View Post
    Of course it normal, the effect of the silica gel runs out over time and you need to add in fresh ones. If you don't like to keep adjusting the RH then just get a dry cabinet
    Ooppss, sorry i mean i am using a dry cabinet and the humidity level would increase even though i had set to 45%. Pls advise.

  13. #33
    Senior Member ovaltinemilo's Avatar
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    Default Re: Relative Humidity...

    Quote Originally Posted by Izzue View Post
    Ooppss, sorry i mean i am using a dry cabinet and the humidity level would increase even though i had set to 45%. Pls advise.
    It will fluctuate since you tend to open and close.
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  14. #34
    Moderator Octarine's Avatar
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    Default Re: Relative Humidity...

    Quote Originally Posted by Izzue View Post
    Ooppss, sorry i mean i am using a dry cabinet and the humidity level would increase even though i had set to 45%. Pls advise.
    Check the power, is it still? Are the power LED (and / or function LED) on? Does the dehumidifier works? (Hint: it feels cold when touching it.) Is the battery of hygrometer ok?
    EOS

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