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ATI's new Fiji White Sand

By Leonard Ho - Posted Jan 19, 2012 07:00 AM
ATI Aquaristik (Germany), largely known for their high tech lighting and protein skimmers, has introduced their new marine aquarium substrate named Fiji White Sand, with properties different than commonly-available aragonite.
ATI's new Fiji White Sand

ATI Fiji White Sand (9.07kg bag)

ATI Fiji White Sand is a fine white substrate with grain size between 0.3 to 1.2mm (comparable to Caribsea's sugar-sized aragonite sand).  What makes Fiji White Sand different than other popular marine aquarium substrates is it is marketed as a calcium and magnesium substrate (99.6% pure) that is heavier than comparable aragonite sand (with the stated benefit of being less likely to be blown about by water flow compared to similarly sized aragonite sand).  Fiji White Sand also appears to be more white and reflective than popular aragonite substrates.

These characteristics lead us to believe this sand may be dolomite or possibly calcite - similar calcium carbonates to aragonite but with some notable differences.  Dolomite contains a lot more magnesium and is denser than aragonite.  Dolomite (and calcite) also has less ability to buffer high pH, which would make it less ideal for reef tanks with low pH (e.g. tanks running calcium/CO2 reactors).  On the other hand, dolomite substrate may work great in tanks with higher pH (e.g. tanks running Balling/2-part method and/or Kalkwasser).

Fiji White Sand is now available in Europe for about 18.00per bag; No word if ATI plans to export their new sand to the United States or Asia.

Author: Leonard Ho
Location: Southern California

I'm a passionate aquarist of over 30 years, a coral reef lover, and the blog editor for Advanced Aquarist. While aquarium gadgets interest me, it's really livestock (especially fish), artistry of aquariums, and "method behind the madness" processes that captivate my attention.


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