First off: I realize there are a few somewhat related questions but I think my question will be specific enough to justify it's own question. Specifically this question, but I'm not looking for an alternative solution(s) such as the accepted answer.
I am going to try my first partial mash this weekend, and since I have the equipment on hand, I want to use my converted cooler mashtun. Partially to get used to the equipment before going full mash.
I will be using about 5 lbs of malt (4 two-row, 1 specialty). So I was planning on using the 1 quart per pound- so 1.25 gallons of striking water. I'd like to try the batch sparge technique and I'm planning on a 7 gallon boil.
I know with small mashes there are many techniques and it really doesn't take too much to get the sugars out. But I want to emulate a "proper" batch sparge yet compensate for the lower volume.
My question is should I split the 5.75 gallons (7 - 1.25) into 2 even sparges of ~2.875 gall , or should I do 2 sparges of a smaller volume and just add additional water to get to the boil volume?
edit: I was looking at my 5 gal recipe and not the 6. There will be 5 lbs of two-row and 1.75 specialty in the mash and 5 lbs dme. I'm not changing numbers in the question so that the answers still have relevant calculations.