I'm currently 20 minutes into my 1 hour boil. I'm doing the Yooper's Dead guy extract clone. I have 1 oz perle and 1 oz saaz and the hop schedule is as follows. 1/4 perle @ 30, 1/4 perle @ 5, and 1/4oz saaz at 5. Instead of opening the whole OZ of saaz could I just use 1/4oz perle i have left...