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Automatic fish feeder - An Overview

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We timed how much time it took for every air pump to vacant a liter of water within the bottle. Considering that a liter of air displaces a liter of water, this gave us our circulation amount in liters per minute (LPM), which we then transformed to gallons for each https://bookmarkspy.com/story14723661/the-ultimate-guide-to-aquarium-supplies-online

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