Tunze Calcium carbonate 5L (rec retail $67.95)
For Wholesale pricing please click on login5 liter (1.3 USgal.) bucket.
Calcium carbonate is 99% pure...
CaCO3 (lime) with a grain size of 4 to 6 mm (.15" to .23"). It is ideally suited for use in TUNZE® Calcium Automat and other makes of Calcium reactor for buffering the pH value as well as increasing the calcium content.
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