Clen dosage at week 3 with Ketotifen

[BigBaus]

Hi,

Im planning a clen cycle for two weeks, and then add 1mg ketotifen at week 3.
How would I dose the clen at week 3?

1 20 mcg
2 20 mcg
3 40 mcg
4 40 mcg
5 40 mcg
6 60 mcg
7 60 mcg
8 60 mcg
9 80 mcg
10 80 mcg
11 100 mcg
12 100 mcg
13 120 mcg
14 120 mcg
15?