The Planted Tank Forum - View Single Post - Crazy Co2 with SunLight!?
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Old 10-10-2012, 05:26 AM   #5
150EH
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The container will capture a lot more heat in the direct sunlight and it is constant, a cup of warm water started cooling right away and then when you added the bottle to the cup it cooled by more than 50% in the first 30 seconds. I pretty sure the sunlight is your problem.
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