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Rinsing new aragonite sand?


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Rinse it. It can add calcium to the tank however while we usually struggle to get enough calcium there is a point where there is too much. When I added 40# of Southdown sand recently my calcium shot up over 600 ppm but the alkalinity dropped to about 7dkh. Getting the alkalinity up after the calcium goes so high is more difficult than I anticipated. (Low alkalinity also drives the ph down) From here on out I will be rinsing any sand I add first.

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