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Scheduled Maintenance:
Our website will be unavailable starting Friday, April 10 at 5:00 PM CST and will be back online Monday, April 13 at 6:00 AM CST.
We appreciate your patience.
Free Shipping on orders over $199
DC91255
Price: FREE
Everyone knows that if you add a half-gallon of water to a half-gallon of water you get . . . a gallon of water. Here’s a demonstration that seems to defy an intuitive rule—the additivity of liquids.
