Looking for a DIPA/ Single Hop (Galaxy) Recipe

All grain, partial mash or Extract?

 

9 Pounds Extra Light DME
.5 Pound Sugar
OG around 1075

Bitter to 60-70 IBUs with something clean at 60 min (Warrior, Magnum)
Use at least a half pound of Galaxy split between FO and Dry Hop.

Pitch a lot of yeast. 1056, 001, 090, US05 or Nottingham. http://www.mrmalty.com/calc/calc.html
Keep ambient fermentation temps around 63 degrees
Cool quickly
Once fermentation is complete (wait at least 2 full weeks), do everything physically possible to keep O2 away from you beer.
Carbonate for 10-14 days and then consume quickly, very quickly.

Good Luck

 

Something similar to jmich24's suggestion is what I'd suggest. Extract to about 1.070-1,075. Use whatever extract you like, although in this case I'd probably skip using extra-dark extract. Light or extra-light are appropriate for IIPAs.

I am not familiar with galaxy, so don't know its AA%, or cohumulone levels etc etc so I don't know if it makes a good bittering hop or not. Thus, the suggestion to use magnum or warrior (or other hop that's high AA*, low cohumulone) is a fine one.

The suggestion for a 63F fermentation temperature is also one I agree with. Exothermic reactions will raise the temperature of your wort beyond that of the ambient temperature of the place you store your vessel, and you want the BEER to be 70F or below. Ferment a double IPA at 70F and you'll probably peak out at around 77-79F, which might throw some off flavors or form fusels.

Hops - use the MOAR HOPS philosophy when deciding on your schedule. I'd blast it with about 5-8 oz** at flameout, then do 4 oz dry hops at 9 days to bottling, then 4 more at 4 days to bottling, or something along those lines. As soon as it's carbonated, drink it.

*humulone being the primary alpha acid that gives "soft" bitterness, while cohumulone is more associated with "harsh" bitterness, at least in homebrew speak

**depending on the hop. As I said, I'm not familiar with galaxy. A high AA, highly flavorful hop like citra you need less of it than a fairly weak, low AA hop like willamette. Actually, I'd probably avoid something as weak as willamette for a IIPA, as you'd need to use about a pound at flameout to get the right amount of flavor. Not that willamette*** is a bad hop, quite the opposite, it's a great hop, but it's not really suited for IIPAs.

***remember al's rule for willamette: whatever you think you need, double it, then add two more ounces at flameout