General practical ink, the price ranges from 10 yuan to 7, 80 yuan one or two;
Practice with cheap, write with good.
Draw a little better;
The smoke material for good ink is better, generally called top smoke (when taking smoke, the particles at the top of the chimney are fine and uniform).
Good ink gum is light, full and dense.
Good ink means better material selection and better workmanship.
In terms of use, good ink has good ink color, and there is a saying that "ink is like oil, a bit like paint" to describe good ink.
For painting, thick ink, light ink and other colors of ink should show good ink color, which really needs better ink to do. Calligraphy may not be that demanding.
It's hard to say a few words clearly. Go to the calligraphy forum to see some knowledge in the study room.
There is a lot of knowledge about the production and use of ink, as well as many manufacturers' brands and product prices.
Recommend China calligraphy Jianghu, and search for it yourself.