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Re: [APD] Diffusor clogging



Nah. Just not so.


----- Original Message ----
From: Dave Gomberg <dave1 at wcf_com>
To: aquatic-plants at actwin_com; aquatic-plants at actwin_com
Sent: Wednesday, June 13, 2007 3:51:57 PM
Subject: [APD] Diffusor clogging


At 09:00 6/13/2007,  Scott H wrote:
>It more likely to be biofilm, including sugards, proteins, bacteria 
>and algae, that gunk up the device.

Bacteria and algae will have a terrible time with the low pH at the 
diffusor surface.   Similarly for proteins.  Sugars are soluble in 
water, so there goes that idea.

In hard water the usual culprit is CaCO3 deposits, which come off 
fine with vinegar.

In soft water the usual culprit is acid-resistant strains of algae, 
which are killed by bleach.



-- 
Dave Gomberg, San Francisco   NE5EE     gomberg1 at wcf dot com
All addresses, phones, etc. at http://www.wcf.com/ham/info.html
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