8 gallon kettle question
8 gal should be plenty for full boil extract batches. You would be most likely boiling 6-6.5 gallons, so you will really want to keep an eye in it wen adding extract and hops.
Most of us would recommend getting the biggest kettle you can afford, this hobby always makes you want more.
As far as false bottom, are you using the kettle as mash tun?
If not, then IMO it is not necessary.
PRIMARY: Dirty Blonde
SECONDARY-Dry-hopping: Regal Pale Ale
SECONDARY-Dry-hopping: SNPA Clone
SECONDARY: Unknown Ale (Partigyle from RPA and SNPA)
BOTTLED / CONDITIONING: Bass Ale Clone
Conditioning and Drinking: MO-Fuggle SMaSH
Conditioning and Drinking: MO-Willamette
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