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Q&A How can I effectively clean the "bite valve" for my water bladder?

The bite valve on my Osprey water bladder is covered in a black mould. It's not very old and this is the second valve I've had on this. It seems to be impossible to remove and seems to grow no ...

2 answers  ·  posted 8y ago by System‭  ·  last activity 7y ago by System‭

#2: Attribution notice added by user avatar System‭ · 2020-04-17T21:32:58Z (over 4 years ago)
Source: https://outdoors.stackexchange.com/q/14593
License name: CC BY-SA 3.0
License URL: https://creativecommons.org/licenses/by-sa/3.0/
#1: Initial revision by user avatar System‭ · 2020-04-17T21:32:58Z (over 4 years ago)
<p>The bite valve on my Osprey water bladder is covered in a black mould. </p>

<p><a href="https://i.stack.imgur.com/f4YKK.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/f4YKK.jpg" alt="enter image description here"></a></p>

<p>It's not very old and this is the second valve I've had on this. It seems to be impossible to remove and seems to grow no matter what I do. Couple of questions:</p>

<ol>
<li><p>Is this likely to be a health issue? </p>

<ul>
<li>I have used valves like this for long periods of time before so I
guess not but would be interested to hear other options</li>
</ul></li>
<li><p>Does anybody have a good way to remove this?</p>

<ul>
<li>Good old fashioned elbow grease doesn't seem to shift it (doesn't help that it's very inaccessible), nor does soaking in boiling water or disinfectant</li>
</ul></li>
<li><p>Can anyone advise how to prevent this from happening? </p>

<ul>
<li>it seems to grow no matter what I do, though I admit I'm not very good at drying it out after every use... </li>
</ul></li>
</ol>