The Planted Tank Forum - View Single Post - Excel/api co2 booster?
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post #4 of (permalink) Old 01-20-2013, 05:02 PM
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Join Date: Apr 2011
Location: Hamilton, Ontario, Canada
Posts: 5,116
The sooner towards the lights coming on, the more the plants can use it. Plants only use carbon and ferts during lighting periods, so putting it in 2 hours before the lights go off is sort of pointless. It's like putting out a 4 course meal at 1am when everyone is just going to bed. It's just going to sit on the table and rot all night.

20g platy, , 2 x 10g shrimp, 3 x 20g shrimp, 7.5g shrimp and 1 great dane/mastiff puppy.

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My Tanks and my shrimps
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