If you're doing 2 batch sparges you should asses your technique and gear for improvements.
most of the time I actually do single sparge, but on a bigger beer, I get stingier.
Posted 12 March 2017 - 10:01 AM
If you're doing 2 batch sparges you should asses your technique and gear for improvements.
most of the time I actually do single sparge, but on a bigger beer, I get stingier.
Posted 12 March 2017 - 11:39 AM
most of the time I actually do single sparge, but on a bigger beer, I get stingier.
And on a bigger beer, there is less chance of the gravity getting too low
Posted 12 March 2017 - 11:39 AM
most of the time I actually do single sparge, but on a bigger beer, I get stingier.
I do a tiny sparge (~2 gal for a 10 gal recipe) and I still regularly get around 80% into the fermentor. I can't imagine going much higher efficiency wise. I tell you this as a fellow cheap bastard.
Posted 15 March 2017 - 07:06 AM
Posted 15 March 2017 - 10:07 AM
Would you say that this applies to fly and batch sparging or just fly?My understanding is that the final runnings gravity is linked to pH. Reason being that malt is a great buffer, but as more and more of the sugar is rinsed away, the buffering capability of the mash gets weaker and weaker which causes pH to drift up. Which is why it's a good idea to treat your sparge water to 5.8 or so. You could probably go even lower than that.
Posted 15 March 2017 - 10:46 AM
Would you say that this applies to fly and batch sparging or just fly?
Definitely fly. Batch depends on your water. If it's very alkaline, you need probably need to treat batch sparge water. If it's like mine, you don't need to treat it. Couple other things...I to have always thought that gravity was an indicator of pH, but Martin has said (I think) that's not the case. Also, I don't think it's the sugars that keep the pH down.
Posted 15 March 2017 - 03:52 PM
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