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Re: [APD] CO2 drop checker

I  remember reading this now.  I didn't appreciate the value of not  
using tank water at that time, nor did Kevin appreciate the value of  
using specifically KH=4 water.  Now I wonder if the secret of eternal  
life is hidden in the Krib somewhere?

Vaughn H.

On Oct 17, 2006, at 2:53 PM, Andrew McLeod wrote:

> Funny how these devices have been hanging around for years and  
> years, and now all of a sudden have become popular :)
> Here's a link to a post from Kevin Conlin on the APD dated Tuesday,  
> 6th February 1996...
> http://fins.actwin.com/aquatic-plants/month.9602/msg00091.html
> And of course the commercial devices predate even that...
> -- 
> Andrew McLeod

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