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Re: CO2 level

To: aquatic-plants at actwin_com, hans.sanden at vaxjo_mail.telia.com
Subject: Re: CO2 level
From: Carlos Munoz <cmunoz at crystal_cirrus.com>
Date: Sun, 19 Apr 1998 15:58:59 -0500
In-Reply-To: <36606221 at toto_iv>

>>>>> Hans Sandin (here: "HS"),
>>>>> on Sat, 18 Apr 1998 12:38:04 +0200,
>>>>> pondered the meaning of life, then wrote down:

    HS> Hi all,
    HS> I have a question , how do you messure the CO2 level in a tank then 
    HS> you filter through peat ? 
    HS> All tabels I have seen say that they can't be used then you filter 
    HS> through peat.

Hans, 

Water filtered by peat contains pH buffers other than carbonates, so the
standard pH/KH/CO2 tables will *not* work.  The same buffers will interfere
with direct CO2 tests, so forget about a C02 kit also. 

Your best bet is to make an estimate based on your bubble rate and look
at your plants to see how they're doing.  Even just a little extra CO2 
helps a lot.  Make sure you have good circulation _below_ the water surface 
and that the water surface itself isn't disturbed too much.

-Carlos
--
Carlos E. Munoz <cmunoz at crystal_cirrus.com>
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