RE: [APD] Re: CO2 off at night -- or - No To CO2 PM

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

So, since my pH changes about 0.2 over the course of the
evening, the only benefit would be saving some CO2?

Scott H.
--- "LeDeaux, David" <David_LeDeaux at Tripointglobal.com>
wrote:
> Some people turn off CO2 at night because plants use O2
> at night and produce
> CO2.  It is sometimes done to prevent overdosing CO2 at
> night.
> 
> -----Original Message-----
> From: S. Hieber [mailto:shieber at yahoo_com] 
> Sent: Monday, September 08, 2003 7:38 AM
> To: aquatic plants digest
> Subject: RE: [APD] Re: CO2 off at night -- or - No To CO2
> PM
> 
> 
> What's the advantage of turning the CO2 off at night?
> 
> Scott H.
> 
> 
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