Thanks Boomer for the enlightening post
I manage to buy carbon meant for water treatment plant with the data sheet as follow;
Granular Activatd Carbon Bitum coal
iodine No. 1017mg/g
Total Ash content 10.63%
Methlene Blue 188mg/g
carbon tetrachloride (CCL4) No. 63%
Bulk density 480 g/L
Hardness...