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Re: [APD] Diffusors



Dave,

Are these the sintered glass diffusers?

Terry
----- Original Message ----- 
From: "Dave Gomberg" <dave1 at wcf_com>
To: <aquatic-plants at actwin_com>
Sent: Friday, September 23, 2005 6:10 PM
Subject: [APD] Diffusors


> At 10:08 9/23/2005, Tom Barr wrote:
> >Disc are smaller, but need cleaned more often to be used consistently.
> 
> Tom, I think this depends a lot on incoming water properties.  In SF 
> with very clean water, I need to clean my disk about every five 
> years.   But I have customers with very hard water that seem to 
> precipitate CaCO3 on the disk.  And some folks seem to grow algae on 
> the disk, my guess is they have a very acid-tolerant strain of algae 
> that I do not have.   So I recommend that those without mega-hard 
> water try a small disk diffusor, such as the Eheim.
> 
> 
> 
> 
> -- 
> Dave Gomberg, San Francisco    NE5EE       gomberg1 at  wcf dot com
> http://www.wcf.com/co2iron for low cost CO2 systems that work!
> 500th System Sale: 6 Fabco needle valves and 6 Eheim diffusors
>   Regularly $300 postpaid, now $200 postpaid   Gas those other tanks!
> ----------------------------------------------------------------- 
> 
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