Given your new knife will be pretty sharp to start with a 800-1000/4-6000 grit stone might make more sense, rather than 100/600 which are both pretty coarse.
Absolutely. I only recommended that cheap coarse one for practice. Once you move onto a nice knife get a nice stone!
@adroit started
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Given your new knife will be pretty sharp to start with a 800-1000/4-6000 grit stone might make more sense, rather than 100/600 which are both pretty coarse.