1 Gallon Yum, 5 gallons... not so Yum

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user 1684

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Hi guys (long time reader here, thought I'd finally say hello!)

I've done a few 1 gallon AG brews now, and have moved up to 5 gallons. Trouble is, my delicious hoppy IPA doesn't scale up very well - it just comes out bland, and loses all the wonderful hoppiness. This happens with lots of different recipes that I try - they taste awesome from a 1 gallon mini batch, then a bit bland in the 5 gallon batch.

For example, here's my IPA attempt.

1 Gallon recipe:

1kg Pale malt
30g Challenger hops.

Mash @ 65degC for 1 hour, batch sparge at 72.
Boil 1 hr - half hops in at start, other half with 15 mins remaining.
1 tsp irish moss @ 15 mins to go.

Chill to 20 by putting the pot in a sink of cold water. Pitch 1 sachet Safale S-04
SG 1.050, FG 1.010. Bottled, tastes bloody lovely after a month - really light and hoppy, tastes as good as beer from the pub.

5 Gallon:

5kg Pale malt
150g Challenger Hops

Mash @65 for 1 hour, batch sparge at 72
Boil for 1 hr, 100g challenger in at the start, 50g in 15 mins from the end along with a tsp of irish moss.

Force chilled down to 20 using an immersion chiller. Pitch 1 sachet Safale S-04.
SG 1.045, FG 1.010
Tastes OK - but very little in the way of hoppiness. Doesn't taste of much to be honest.

My mash tuns are the same construction - cool box with a copper manifold in the bottom with slots hacksawed in, only one is much bigger than the other.

For the small batches, I boil in a big pot on the stove. For the large batches, I use a 6 gallon plastic bucket with 2 Tesco value kettle elements whacked in. I only use 1 to maintain the boil, as it's too violent with both on.

Now, 150g of Challenger hops should rip my face off, shouldn't it?

Anyone have any ideas? (and sorry about the massive wall'o'text!). All I can think is that my kettle elements are destroying the hop flavour/aroma - is this even feasible?

(I've tried 90 minute mashes, 90 minute boils, different yeasts. All the same result).
 
Have you run your recipes through the forum recipe calculator to see if your amount of IBU`s remains the same - doesn`t really add up? Your 5gallon should be the same really, you are chilling down quickly and following your same procedure for each brewlength, I`d find it unlikely that your kettle elements have anything to do with it. What other yeasts have you tried? I`d reccomend us-05 for this style or wlp001 or wlp051 are reccomended by many (I haven`t tried them personaly but have ordered both strains for future brews) Are you using hops from a fresh packet stored correctly for your small brew then older hops for the larger brew or anything like that, aroma can be lost quickly whilst the bittering acids remain intact. You could try some later hopping, last five or one min or steeping hops at under 80degrees c after the boil, or making and adding a hop tea/infusion. Dry hopping is a great way of adding aroma as well - after the intial fermentation syphon into a clean FV and add say 20grams of your hop choice and leave up to a week before bottling, I find dry hopping a great way of finishing a brew.

Hope you have success :thumb:
 
Hi Rick, thanks for the reply.

I'm using fresh vacuum packed hops from the same supplier for the small and large brews, and they're opened fresh each time, so I don't think that's the problem. I've used Munton's Gold yeast, Safale S04, and one of those smack-packs (Wyeast irish ale I think).

However! I've just cracked my latest 5-gallon attempt tonight, and it's not too bad. It's definitely bitter, but doesn't have the hoppy aftertaste. I'll give the dry hopping a go next brew as you suggest.

I think I'm too impatient with the larger batches, and need to wait for them to clear a bit before bottling.

I've not had a look at the calculator yet, I'll do that when I've not just sampled a few bottles :)
 
Good luck with it, I normally leave a brew for at least ten days in the FV - gives time for the yeast to have a little tidy up, if i dry hop it`ll go into a clean FV with the hops, I recentley did an IPA with 50grams of liberty hops as the dry hop and the aroma was amazing, strongly reccomend the us-05 or whitelabs californian strains - makes a huge difference, to quote aleman - brewers make wort and yeast makes beer :cool:

all the best
 
Cool, thanks!

I'll give that yeast a try, and I'll try dry hopping the next batch as well.

So: 2 weeks in the FV (can only brew on weekends)

Transfer to clean FV with 50g of hops.

Leave for a week.

Bottle.

That sound right?
 
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