ESV Ultra White Calcium Carbonate Reef Substrate - Coarse Grade (50 lb.)

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2-10 Days

Ultra white substrate that provides the whitest calcium carbonate-based sand available in the hobby.

This translates into greater efficiency of your lighting system by reflecting much more light from the aquarium bottom.

Also contains less impurities compared to standard substrates. Particle size: 1.40 - 3.35mm