Physical Characteristics Color : BrownBulk Density : 80 lbs./cu.ft.Specific Gravity : 2.4 – 2.9Effective Size : 0.30 – 0.35 mmUniformity Coefficient : 1.6Maximum water temperature : 80°F/26.7°CMesh Size : 18 – 60Water pH range : 6.2 – 8.5Bed depth : 30 inch Brand Zeomangan, Made in Taiwan Packing 30 Kgs/Bag (1cft) All Product Facebook Twitter Instagram