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The perfect alkalinity booster because…AragaMilk™ has a full pound of buffer in every 16 fluid ounce bottle. This buffer comes in two forms: bicarbonate for immediate response, plus carbonate from aragonite. This second form makes for a safer, time-release buffer, over 2-3 days, for long term security without the wild pH swings that can stress your tank inhabitants. Great for your African Cichlid or livebearer aquariums too. You’ll notice it will stop downward pH swings so common in large fish only marine and Cichlid set ups helping you create an environment for happy, healthy, and more colorful fish.