Hop Substitutions

[tostrye]

I have an extract brown ale recipe I am doing:

• 1# Crystal 60
• 4oz Chocolate malt
• 2oz black malt (mash these 3 at 150F for 30 min)
• 6.25# Light DME
• 4oz maltodextrin
• 1oz EK Goldings (60 minutes)
• 1/4oz Liberty (45 minutes later)
• 1/4oz Willamette (10 minutes later)
• 1/4oz Liberty (4 minutes later)
  boil 1 more minute, chill, add British Ale yeast

My question is that I have an ounce each of US Perle, Colombus and Mt Hood, can I sub those in and when?

 

[m00ps]

perle and liberty are pretty similar. Use maybe 1/2 the amount of mt hood for the bittering since its higher AA% than ekg and youll be set

Either way tho, its a brown ale. The hop profile shouldnt be discernable anyway