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Scuba Forum / General / March 2007

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New mask and snorkel

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Sheldon - 22 Feb 2007 23:15 GMT
I just got my new mask.  It seems pretty nice, with very clear lenses, and I
have one question.  I remember reading that if you hold the mask up to your
face and inhale, if the mask sticks to your face it's probably a good fit.
Well, it sticks, so while I realize this may not be a mask of high quality,
does it fit?  Again, only plan on using this in the pool.

Thanks

Sheldon
Veem - 23 Feb 2007 00:25 GMT
Yes, that is a good fit (if it let's go when you want it to)

>I just got my new mask.  It seems pretty nice, with very clear lenses, and
>I have one question.  I remember reading that if you hold the mask up to
[quoted text clipped - 5 lines]
>
> Sheldon
Sheldon - 23 Feb 2007 00:41 GMT
> Yes, that is a good fit (if it let's go when you want it to)

I thought so.  So far it works in the bathtub.  I'll try it out at the pool
tomorrow.  It's really cool being able to have my head underwater and still
breathe.  $20 for both the mask and snorkel at Amazon.  I'll use it to work
on my swimming and then look to upgrade when we get into the scuba class.

I see a lot of good swimmers using snorkels in the pool, so I assume it's a
way to work on your form.  I also need the exercise to work on my upper body
strength and kick.

Thanks again.

Sheldon
Lee Bell - 23 Feb 2007 03:55 GMT
> I see a lot of good swimmers using snorkels in the pool, so I assume it's
> a way to work on your form.  I also need the exercise to work on my upper
> body strength and kick.

No, it's a way to reduce the energy required to swim.  Turning your head, or
lifting it depending on the stroke. takes energy.

Lee
Grumman-581 - 23 Feb 2007 09:29 GMT
> $20 for both the mask and snorkel at Amazon.

Silicone is acceptable in a mask, but plastic is usually considered
just cheap crap only useful for kids... Many of us have been around
long enough that we started with black rubber snorkels and masks...
Back then, the masks were made a bit more seriously in that they had
stainless steel frames... They worked quite well also... The most
important thing about a mask is finding one in which the leaks are at
a rate that you can put up with...
Sheldon - 23 Feb 2007 18:30 GMT
>> $20 for both the mask and snorkel at Amazon.
>
[quoted text clipped - 5 lines]
> important thing about a mask is finding one in which the leaks are at
> a rate that you can put up with...

Thanks for the "realistic" answer.
Grumman-581 - 24 Feb 2007 00:47 GMT
> Thanks for the "realistic" answer.

Some people claim that they have masks that don't leak... With a
mustache and beard, the best I figure that I can hope for is one with
an acceptable rate of leak... Of course, a leaky masks means never
having to worry about a foggy lense... <grin>

Hell, if I didn't want to deal with a leaky mask, I'd dive a Mk-V...
Sheldon - 24 Feb 2007 04:14 GMT
>> Thanks for the "realistic" answer.
>
[quoted text clipped - 4 lines]
>
> Hell, if I didn't want to deal with a leaky mask, I'd dive a Mk-V...

Well, I finally wore it in the pool today.  No leaks whatsoever, but you are
correct, it did fog quite a bit.  Also, since I've never use a snorkel
before, it was quite an experience, especially moving over the deep end of
the pool from the shallow end.  Really cool!  I wanted to go down there, and
I think I'm going to like having a tank on my back so I can get down there.
:-)
Grumman-581 - 24 Feb 2007 04:38 GMT
> No leaks whatsoever, but you are
> correct, it did fog quite a bit.

There's some anti-fog chemicals that you can use... Some people use
dishwashing detergent... Some just use spit... I figure that as long as
your mask leaks a bit, it kind of takes care of itself... <grin>

> Also, since I've never use a snorkel
> before, it was quite an experience,
[quoted text clipped - 3 lines]
> I think I'm going to like having a tank
> on my back so I can get down there.

There's nothing stopping you from going down there now... Traditional
snorkeling is basically swimming along the surface until you see
something interesting and then swimming down to take a look at it...
Sheldon - 24 Feb 2007 05:24 GMT
>> No leaks whatsoever, but you are correct, it did fog quite a bit.
>
> There's some anti-fog chemicals that you can use... Some people use
> dishwashing detergent... Some just use spit... I figure that as long as
> your mask leaks a bit, it kind of takes care of itself... <grin>

I have some stuff that I use for ice hockey that works "for awhile."  I
guess I have to keep applying it.  I could also let some water into the
mask, let it swish around a bit, then clear it out.

>> Also, since I've never use a snorkel before, it was quite an experience,
> > especially moving over the deep end of
[quoted text clipped - 6 lines]
> snorkeling is basically swimming along the surface until you see something
> interesting and then swimming down to take a look at it...

Problem is, how do I get down there?  I have to exhale to go down, and I'm
not used to that.  Feels a little scary to me.  I can inhale and hold my
breath, but I can't exhale and hold my breath for very long.
Grumman-581 - 24 Feb 2007 08:30 GMT
> I have some stuff that I use for ice hockey that works "for awhile."  I
> guess I have to keep applying it.

Probably similar stuff...

> I could also let some water into the mask, let it swish around a bit,
> then clear it out.

Or just get a leaky mask... <grin>

> Problem is, how do I get down there?  I have to exhale to go down, and I'm
> not used to that.  Feels a little scary to me.  I can inhale and hold my
> breath, but I can't exhale and hold my breath for very long.

Sounds like you're a bit too positively buoyant... Add a couple of
pounds of lead and you probably won't have a problem... Otherwise, the
way to get down is to basically bend forward at the waist and dive
head first... Your feet might come out of the water in the process,
but that will just give you a bit of momentum going down... By the
time your fins are in the water, you can start swimming straight
down... Are you wearing a wetsuit?
JOF - 24 Feb 2007 14:29 GMT
On Feb 24, 3:30 am, Grumman-581 <grumman...@DIE-SPAMMER-SCUM-
gmail.com> wrote:
> On Fri, 23 Feb 2007 22:24:59 -0700, "Sheldon"
>
[quoted text clipped - 20 lines]
> time your fins are in the water, you can start swimming straight
> down... Are you wearing a wetsuit?

He might want to get the hang of that duck-diving thang without the
snorkel first. We keep forgetting that not everyone grew up in the
water. I used a mask & snorkel regularly long before I was 10. We had
a rock quarry in my home town so we got used to deep water quickly.
Because of that early experience the mask part of diving was second
nature to me like it was to a lot of you, but it seems to be a real
hangup for the uninitiated. I have trouble imagining how unnatural
some of these skills must seem to some folks.

Has anyone told him yet about how as soon as he gets his card he'll be
told to ditch the snorkel whenever possible?   8)

JF
Sheldon - 24 Feb 2007 19:02 GMT
> Has anyone told him yet about how as soon as he gets his card he'll be
> told to ditch the snorkel whenever possible?   8)
>
> JF

That's my plan.  If all I was going to do was snorkel I wouldn't be getting
certified.
Dan Bracuk - 24 Feb 2007 12:04 GMT
Grumman-581 <grumman581@DIE-SPAMMER-SCUM-gmail.com> pounded away at
his keyboard resulting in:

:There's some anti-fog chemicals that you can use... Some people use
:dishwashing detergent... Some just use spit... I figure that as long as
:your mask leaks a bit, it kind of takes care of itself... <grin>

An early scrubbing with toothpaste helps.

Dan Bracuk
If we don't succeed, we run the risk of failure.
Paul Foley - 24 Feb 2007 16:01 GMT
> An early scrubbing with toothpaste helps.

I've never had any luck with toothpaste.  I use stuff called Bon Ami, a
scouring powder that is supposed to be non-scratching (and so far seems
to be.)

This is something that surprised me as a newcomer to scuba-- that mask
lenses in their virgin state need to be thoroughly cleaned with a gentle
abrasive.  Apparently they get coated with some kind of gunk in the
manufacturing process, and until you remove it they'll drive you crazy
with fogging.  Given the hefty price tag, you'd think the makers would
do this....
Douglas W "Popeye" Frederick - 24 Feb 2007 16:07 GMT
>> An early scrubbing with toothpaste helps.
>
[quoted text clipped - 8 lines]
> with fogging.  Given the hefty price tag, you'd think the makers would do
> this....

 It's a preservative.
Sheldon - 24 Feb 2007 20:20 GMT
>>> An early scrubbing with toothpaste helps.
>>
[quoted text clipped - 10 lines]
>
>  It's a preservative.
Well, I just tried some toothpaste.  The inside of that mask is definitely
squeaky clean.  If I was sure it was glass I could try some solvents.  Feels
like glass, and taps like glass, but could be some high-tech plastic.
Dan Bracuk - 24 Feb 2007 22:09 GMT
"Sheldon" <sheldon@XXXXXXXXsopris.net> pounded away at his keyboard
resulting in:
:Well, I just tried some toothpaste.  The inside of that mask is definitely
:squeaky clean.  If I was sure it was glass I could try some solvents.  Feels
:like glass, and taps like glass, but could be some high-tech plastic.

Is it labelled "Tempered Glass"?

Dan Bracuk
If we don't succeed, we run the risk of failure.
Sheldon - 24 Feb 2007 23:57 GMT
> "Sheldon" <sheldon@XXXXXXXXsopris.net> pounded away at his keyboard
> resulting in:
[quoted text clipped - 7 lines]
>
> Dan Bracuk

It just says "Tempered," but not Glass.
Dan Bracuk - 25 Feb 2007 02:20 GMT
"Sheldon" <sheldon@XXXXXXXXsopris.net> pounded away at his keyboard
resulting in:

:It just says "Tempered," but not Glass.

Then it might not be glass.  Jolly well spotted indeed.

Dan Bracuk
If we don't succeed, we run the risk of failure.
Sheldon - 25 Feb 2007 03:18 GMT
> "Sheldon" <sheldon@XXXXXXXXsopris.net> pounded away at his keyboard
> resulting in:
[quoted text clipped - 4 lines]
>
> Dan Bracuk

Tempered plastic?  It feels cold to the touch, like glass.
Grumman-581 - 25 Feb 2007 04:27 GMT
> Tempered plastic?  It feels cold to the touch, like glass.

No reason to "temper" plastic, as far as I know... Tapping a metal
object against it should give enough of a difference in sound to let
you tell whether it is plastic or glass... Or just take the point of a
knife and scrape it along the surface lightly perpendicular to the
direction of the blade... Plastic will scratch, but it will just glide
across the glass...
Greg Mossman - 25 Feb 2007 08:09 GMT
On Feb 24, 8:27 pm, Grumman-581 <grumman...@DIE-SPAMMER-SCUM-
gmail.com> wrote:
> On Sat, 24 Feb 2007 20:18:57 -0700, "Sheldon"
>
[quoted text clipped - 7 lines]
> direction of the blade... Plastic will scratch, but it will just glide
> across the glass...

Better yet, stomp it.  If it shatters, it's likely glass.  If it
merely cracks, it's probably plastic.  Best to know before he dives
with it.
Grumman-581 - 25 Feb 2007 16:49 GMT
> Better yet, stomp it.  If it shatters, it's likely glass.  If it
> merely cracks, it's probably plastic.  Best to know before he dives
> with it.

Well, I was going for non-destructive testing... I still say that just
tapping on it with a metal object should produce a different enough
sound for you to be able to tell...
Sheldon - 25 Feb 2007 18:40 GMT
>> Better yet, stomp it.  If it shatters, it's likely glass.  If it
>> merely cracks, it's probably plastic.  Best to know before he dives
[quoted text clipped - 3 lines]
> tapping on it with a metal object should produce a different enough
> sound for you to be able to tell...

Definitely. :-)  I just sent an e-mail to the company.  I'll add what I find
to this post.  FWIW, a small knife rubbed against the surface does, in fact,
glide across.  Obviously, I tried this in a small corner of the mask -- just
in case.

So, what's the next test?  A diamond?  lol
Grumman-581 - 25 Feb 2007 21:40 GMT
> Definitely. :-)  I just sent an e-mail to the company.  I'll add what I find
> to this post.  FWIW, a small knife rubbed against the surface does, in fact,
> glide across.  Obviously, I tried this in a small corner of the mask -- just
> in case.
>
> So, what's the next test?  A diamond?  lol

Nawh, a diamond would scratch both plastic and glass... Of course, by
careful examination, you could see that when it was scratching the
plastic, it was a different type of scratch, but that doesn't do you any
good if you scratched (and thus weakened) the glass when you did it on
it... Even the best plastics have not gotten to the point of being not
being able to be differentiated from glass if you know what you're
looking for... A light tap with a metal object (key, coin, etc) is
usually good enough to allow you to differentiate between them...

Technically though, there's not really any reason why you couldn't dive
with a plastic lens of sufficient quality... The only thing is that it
will scratch more easily than glass... The pressure differential between
the inside and outside of the mask is rarely more than a couple of
psi... Anything more would be uncomfortable...

There are dive lights made with glass and plastic lenses... The pressure
differential between the inside of the light and the outside of the lens
is considerably more than would be experienced in your mask...
Sheldon - 25 Feb 2007 23:16 GMT
>> Definitely. :-)  I just sent an e-mail to the company.  I'll add what I
>> find to this post.  FWIW, a small knife rubbed against the surface does,
[quoted text clipped - 21 lines]
> differential between the inside of the light and the outside of the lens
> is considerably more than would be experienced in your mask...

If it makes any difference, the lens feels cold to the touch, compared to
the side lenses in the mask, or any other parts of the mask.  I'm betting
it's glass, and if it isn't it's really good plastic.
Douglas W "Popeye" Frederick - 24 Feb 2007 16:07 GMT
That was a joke.

Signature

                                              Popeye
     A skilled, armed man lives on a plane of security and contentment
  different from that of others. The man who cannot cut it, envies, fears
                 and sometimes hates the man who can. -Cooper
                                 www.finalprotectivefire.com

>> An early scrubbing with toothpaste helps.
>
[quoted text clipped - 8 lines]
> with fogging.  Given the hefty price tag, you'd think the makers would do
> this....
ajtessier - 24 Feb 2007 01:38 GMT
How big is your bathtub???

Al
Bottoms Up Divers

>> Yes, that is a good fit (if it let's go when you want it to)
>>
[quoted text clipped - 11 lines]
>
> Sheldon
Greg Mossman - 23 Feb 2007 00:37 GMT
> I just got my new mask.  It seems pretty nice, with very clear lenses, and I
> have one question.  I remember reading that if you hold the mask up to your
> face and inhale, if the mask sticks to your face it's probably a good fit.
> Well, it sticks, so while I realize this may not be a mask of high quality,
> does it fit?  Again, only plan on using this in the pool.

The problem is that underwater, it's uncomfortable to have a mask
glued to your face.  When a mask has a wide enough seal, it will stick
to practically any face with enough suction.  The best fitting mask is
one that sticks well to your face without having to inhale
dhjournalist@sbcglobal.net - 23 Feb 2007 00:47 GMT
> I just got my new mask.  It seems pretty nice, with very clear lenses, and I
> have one question.  I remember reading that if you hold the mask up to your
[quoted text clipped - 5 lines]
>
> Sheldon

OK. Here's the thing if it sticks then it is a good fit. When you take
it home test it out in the bath tub or the sink and make sure you have
a good seal so no water gets in. To relieve the pressure exhale
throught the nose. No water should be inside when you come up.
Douglas W "Popeye" Frederick - 23 Feb 2007 00:53 GMT
>I just got my new mask.  It seems pretty nice, with very clear lenses, and
>I have one question.  I remember reading that if you hold the mask up to
>your face and inhale, if the mask sticks to your face it's probably a good
>fit. Well, it sticks, so while I realize this may not be a mask of high
>quality, does it fit?  Again, only plan on using this in the pool.

 What kinda mask is it?

> Thanks
>
> Sheldon
Sheldon - 23 Feb 2007 06:17 GMT
>>I just got my new mask.  It seems pretty nice, with very clear lenses, and
>>I have one question.  I remember reading that if you hold the mask up to
[quoted text clipped - 3 lines]
>
>  What kinda mask is it?

US Divers Avalon
Douglas W "Popeye" Frederick - 23 Feb 2007 09:41 GMT
>>>I just got my new mask.  It seems pretty nice, with very clear lenses,
>>>and I have one question.  I remember reading that if you hold the mask up
[quoted text clipped - 5 lines]
>
> US Divers Avalon

 USD is a high quality product, and, you've got the information on fit.

 You did well.
Grumman-581 - 23 Feb 2007 17:26 GMT
On Fri, 23 Feb 2007 04:41:03 -0500, "Douglas W \"Popeye\" Frederick"
<Popeye@finalprotectivefire.com> wrote:
> USD is a high quality product

Not necessarily... They do make a line of products that are designed
more towards the non-diver type of person... Although you could
probably use them for diving, I don't think that they have the
durability of their units that are actually targeted towards divers...
I'm not saying that this is the case with the one that he chose... I'm
just saying that you can't always rely on just a name...
Sheldon - 23 Feb 2007 18:33 GMT
> On Fri, 23 Feb 2007 04:41:03 -0500, "Douglas W \"Popeye\" Frederick"
> <Popeye@finalprotectivefire.com> wrote:
[quoted text clipped - 6 lines]
> I'm not saying that this is the case with the one that he chose... I'm
> just saying that you can't always rely on just a name...

The stuff I got seems to be in the middle of the line.  As I said in an
earlier post,  I didn't want to spend a lot until I had a chance to see and
hear more about what's out there.  And, even the most expensive mask may not
be a good fit for "me."
JOF - 23 Feb 2007 19:45 GMT
> > On Fri, 23 Feb 2007 04:41:03 -0500, "Douglas W \"Popeye\" Frederick"
> > <Pop...@finalprotectivefire.com> wrote:
[quoted text clipped - 11 lines]
> hear more about what's out there.  And, even the most expensive mask may not
> be a good fit for "me."

I still have the first mask I purchased from the shop where I did the
course, a Sherwood Genesis(?) which I believe was actually made by a
different company. I bought it because it was the cheapest one on the
shelf and was on sale to boot.  I've bought three others since. The
original turned out to be the one I keep going back to. I only wish
the original fins had been as good. They didn't get used after the
open water check dives.

JF
Dan Bracuk - 24 Feb 2007 00:35 GMT
"JOF" <jofrancis@gmail.com> pounded away at his keyboard resulting in:

:I still have the first mask I purchased from the shop where I did the
:course, a Sherwood Genesis(?) which I believe was actually made by a
[quoted text clipped - 3 lines]
:the original fins had been as good. They didn't get used after the
:open water check dives.

I, on the other hand am still diving with the only fins I've ever had.
Bought brand spanking new in 1986.

Not the original fin straps though.

Dan Bracuk
If we don't succeed, we run the risk of failure.
Grumman-581 - 04 Mar 2007 23:22 GMT
> I, on the other hand am still diving with the only fins I've ever had.
> Bought brand spanking new in 1986.

I still have the snorkel that I had from around 1980 and it is still
in great shape... Probably because I never use it... They tend to last
longer that way... Well, assuming you don't misplace 'em like I've
probably done with various other pieces of gear over the years... I
wish I still had my old black rubber tri-window (USD, I think) mask...
That one probably leaked the least of any mask I've ever owned...
Lee Bell - 23 Feb 2007 03:54 GMT
>I just got my new mask.  It seems pretty nice, with very clear lenses, and
>I have one question.  I remember reading that if you hold the mask up to
>your face and inhale, if the mask sticks to your face it's probably a good
>fit. Well, it sticks, so while I realize this may not be a mask of high
>quality, does it fit?  Again, only plan on using this in the pool.

Hold it up to your face without pressing on it and inhale very gently.  If
it stays without being held, it's probably a good fit.  Try it with the
snorkel in your mouth.

As for quality, if it has tempered glass lenses and fits, it's quality
enough.

Lee
Sheldon - 23 Feb 2007 06:19 GMT
>>I just got my new mask.  It seems pretty nice, with very clear lenses, and
>>I have one question.  I remember reading that if you hold the mask up to
[quoted text clipped - 10 lines]
>
> Lee
By your requirements, so far so good.
TonyP - 23 Feb 2007 21:01 GMT
> I just got my new mask.  It seems pretty nice, with very clear lenses, and I
> have one question.  I remember reading that if you hold the mask up to your
> face and inhale, if the mask sticks to your face it's probably a good fit.
> Well, it sticks, so while I realize this may not be a mask of high quality,
> does it fit?  Again, only plan on using this in the pool.

If it fits in the pool, it will fit anywhere you care to dive. All masks
are "pretty clear". I haven't seen one yet that hasn't been. I don't buy
a mask by price, but by fit and then looks. The mask that I have been
diving with for ages is a US Divers Hawaii 2. Retail about $35. It has
been with me from the pool to the Andria Doria and everything inbetween.
Sheldon - 23 Feb 2007 21:56 GMT
>> I just got my new mask.  It seems pretty nice, with very clear lenses,
>> and I have one question.  I remember reading that if you hold the mask up
[quoted text clipped - 7 lines]
> with for ages is a US Divers Hawaii 2. Retail about $35. It has been with
> me from the pool to the Andria Doria and everything inbetween.

Well, since this one fits, it looks like staying with the same brand down
the line wouldn't be a bad move.
Dan Bracuk - 24 Feb 2007 00:35 GMT
"Sheldon" <sheldon@XXXXXXXXsopris.net> pounded away at his keyboard
resulting in:
:I just got my new mask.  It seems pretty nice, with very clear lenses,

Clear lenses are definetly a redeeming quality.

Dan Bracuk
If we don't succeed, we run the risk of failure.
Grumman-581 - 24 Feb 2007 00:56 GMT
> Clear lenses are definetly a redeeming quality.

Otherwise, it's more difficult to determine how crappy the visibility
might be... <grin>
 
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