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