The Planted Tank Forum - View Single Post - Why do we start co2 an hour before light ?

vqfive · 01-07-2013, 01:22 AM

Plants release co2 and consume oxygen at night when lights are off. So in the morning your water would already have a high level of co2. Turning on your co2 an hour before lights come on is just wasting co2.

01-07-2013, 01:22 AM	#11
vqfive Algae Grower (View User Tanks) PTrader: (1/100%) Join Date: Nov 2012 Location: Stockton,Ca Posts: 36	Plants release co2 and consume oxygen at night when lights are off. So in the morning your water would already have a high level of co2. Turning on your co2 an hour before lights come on is just wasting co2.