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[APD] RE: Tank Specs (rob's tank)
Date: Mon, 1 Nov 2004 10:28:11 -0800 (GMT-08:00)
From: Thomas Barr <tcbiii at earthlink_net>
Subject: [APD] Re: Tank specs
To: aquatic-plants at actwin_com
>1. Black Brush Algae & green algae on foreground substrate
>2. Comments/suggestions on my co2 setup
>3. Improving weak hairgrass growth
>4. Using my local (ultra-hard) Illinois tap water vs using RO water?
Why is hard water a problem?
99% of all plants do great, super soft water you have to add baking soda and
GH to, I'd be happy with hard water.
RO does not help you grow plants, it has nothing in it.
Hard water has more nutrients.
Use RO or carbon for your drinking water etc.
I can't help but chime in. While I agree with Tom that CO2 defficencies
would appear be the root of the BBA outbreaks and poor hairgrass growth that
Rob describes, I don't think that's the case. I went to his page and
checked out the section on his CO2 system.
He thinks its inefficent; I disagree. His pH is 7.2, and his KH is 17
degrees. Assuming there are no other buffers in the water, that puts his
CO2 at well over 30 mg/l, which should be unsafe for the livestock. (from
thekrib.com, "Concentrations above 30 mg/l may cause respiratory problems in
So if it's not CO2, what would it be? If it IS CO2, then how can he make
his system more efficent, and what is buffering his water to give inaccurate
test results? I've never used a powered reactor, would that be a plausible
solution? It seems that many of his plants are doing well; the ones that
are having troubles are slower-growing plants.
Am I missing something here?
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