ESV Ultra-White Calcium Carbonate Reef Substrate Coarse Grade 50 lbs.
ESV's Ultra-White Calcium Carbonate Reef Substrate in Coarse Grade offers a larger particle size option suitable for aquariums with high water velocity or for hobbyists who prefer larger substrate particles. With 50 pounds (lb) available per bag, this substrate is designed to cover 1 square foot of tank bottom with a 1-inch deep layer. NSF certified for use in potable drinking water, this substrate is exceptionally pure, making it an ideal choice for calcium reactor media. Testing has confirmed no detectable addition of orthophosphate to the aquarium from the reactor, ensuring the integrity of aquatic environments.
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ESV Ultra-White Calcium Carbonate Reef Substrate Coarse Grade 50 lbs.
This is the larger particle size version of our Ultra-White Fine Grade Substrate for aquarium with very high water velocity, or for hobbyists who simply prefer larger particle sizes. 8.25 pounds of substrate will cover 1 square foot of tank bottom with a substrate layer 1 inch deep. The source of our Ultra-White Substrate is NSF certified for use in potable drinking water, and is extremely pure, making the coarse grade an ideal calcium reactor media. Testing has shown no detectable addition of orthophosphate to the aquarium from the reactor.
Available in 50 lb. bags