So I bought wyeast 1728 scottish ale for a holiday porter on the recommmendation of the person at the LHBS. The beer is going to be around 1.065 (or even more if my efficiency is higher than expected) and am planning for a 6 gallon batch so 5.5+ gallons into the fermentor. The online yeast calculators say I need a huge starter 3-4 l for this beer. I only have the capacity for 2L of starter, will this be ok?