Both Obsidian
& Bin-Cho-Tan can deodorize and filter out impurities
in the water such as nitrate, nitrite, chlorine, bacteria,
etc. Bin-Cho-Tan can also release healthful mineral and
Iou-Sen can stabilize the pH of the water between 7.2 and
7.4.
For Hario CTP-9 Cartridge
Pot [491]
[494],
click here
for details.