Pot-limit holdem heads-up tournament- blind structure comments?

[Lottery Larry]

We used this same format for the preliminary rounds of our heads-up NLHE tournament earlier this year.

Can the same structure be used for PL?

T5000 stacks for the preliminary rounds.

20 minute rounds

i) Round 1- 15/25
ii) Round 2- 25/50
iii) Round 3- 50/100
iv) Round 4- 75/150
v) Round 5- 100/200
vi) Round 6- 150/300
vii) Round 7- 300/600