The Planted Tank Forum - View Single Post - Lighting on 40 long
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post #6 of (permalink) Old 11-19-2012, 09:41 PM Thread Starter
Algae Grower
Join Date: Nov 2012
Location: Washington DC
Posts: 119
thanks, hoppy. Any thoughts on a siesta regime to increase co2? My (limited) understanding is that the co2 level goes down to almost 0 after the first 5 hours the lights are on, and that shutting them off for several hours brings the co2 level back up significantly while the plants respire. In theory, this regime would provide a little more co2 for the plants. I'm wondering if anyone has any data on whether this works or not.
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