Re: [APD] KH question

["S. Hieber" <shieber at yahoo_com>]

In the Rio Negro lots of the fish you see in the stores are swimming around in water that hovers around 3.8 pH - 4.2 pH . Drops of a couple of units or so are not uncommon in lakes where the mouths of rivers empty strong rainfall.

sh





----- Original Message ----
From: Jerry Baker <jerry at bakerweb_biz>
To: aquatic plants digest <aquatic-plants at actwin_com>
Sent: Monday, November 20, 2006 5:11:46 PM
Subject: Re: [APD] KH question


Liz Wilhite wrote:
> Yes, thanks.  And if I am not there to monitor the system this can occur.
> So if I happen to be planning to leave town for several days, and have
> knowledge of the equipment I have in place and its limitations,  then I
> might want to think ahead, right?  :)

I don't understand the concern over pH crashes. Isn't it the 
conventional wisdom that pH doesn't really bother the fish one way or 
another within reason? Even if KH was only 5 ppm and your CO2 tank 
started spitting out at twice its usual rate, your pH would still be 
around 5.7 which is above levels found in many blackwater streams.

-- 
Jerry Baker
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