· Color: Brownish white

· Bulk Density: 75 lbs./cu. ft. (TỶ TRỌNG KHOẢNG 1,2 KG/LÍT)

· Mesh Size: 6 x 16

· Secific Gravity: 3.6 gm/cc

· Effective Size: 1.4 mm

· Bag: 50 lbs TƯƠNG ĐƯƠNG  (22,7 KG)

LƯU Ý: 1 LB = 454 GAM, 1 CU.FT = 28,3 LÍT

Uniformity Coefficient: 1.7

· Composition: MgO 97% min.

CONDITIONS FOR OPERATION

· Downflow service is generally satisfactory on waters with a hardness of less than five grains/gal. or where it’s combined with Calcite at least 50-50. Upflow service is generally recommended with hardness exceeding five grains/gal. to prevent cementing of the Corosex bed

· Use distributors designed for upflow applications

· A gravel support bed is recommended

· Water pH range: 4.5-6.0

· Bed depth: 24-30 in.

· Freeboard: 50% of bed depth (min.)

· Backwash frequently to prevent possible cementing

· Backwash rate: 10-12 gpm/sq. ft.

· Service flow rate: 5-6 gpm/sq. ft. but may be modified to adapt to local conditions

· Max usage 100 mg/L