Brewing a hoppy lager at home

Lager clarity with ale-level aroma

Hoppy lagers sit between a German pilsner and a pale ale. Brewers sometimes call them India pale lagers. Typical numbers are original gravity 1.048 to 1.058, about 5 to 6% ABV and 35 to 55 IBU. Colour stays pale gold. The base is crisp and dry, with no fruity esters. The hops provide all the fruit and flowers.

Because lager yeast is so clean, every hop flaw shows. Grassy, vegetal or oxidised hop character has nowhere to hide. If you have not yet made a standard lager at home, brew one first to learn the cold schedule.

A 20 litre recipe

For 20 litres at about 1.052:

• 4.2 kg pilsner malt (88%)
• 0.35 kg Vienna malt (7%)
• 0.25 kg light crystal or carapils type malt (5%)
• Mash at 65 °C for 60 minutes
• Boil 75 minutes for DMS control

For about 40 IBU, add roughly 20 g of a 12% alpha hop at 60 minutes. Then add 40 g at whirlpool, steeping at around 80 °C for 20 minutes. Finish with a dry hop of 60 to 80 g, which is 3 to 4 g per litre. Choose either new world hops for tropical and citrus notes or modern German varieties for a cleaner, floral profile. Two varieties are plenty.

Soft water and low sulphate

Pilsner malt and heavy hopping both get harsh with hard water. Use RO or soft water, then add about 2 g of gypsum and 2 g of calcium chloride to the 20 litres. More sulphate than that can make the bitterness scratchy in a lager. Aim for mash pH around 5.2 to 5.3. Our guide to rice lager covers the same water discipline for a lighter beer.

Cold fermentation first

Pitch two sachets of a clean dry lager yeast for 20 litres at 10 to 12 °C. Hold that temperature for the first five to seven days, until gravity is about two thirds of the way down. Then let it rise to 16 to 18 °C for a diacetyl rest of two to three days.

The cold phase needs a fridge or freezer with a temperature controller in most of India. Room temperature lager fermentations produce sulphur, esters and diacetyl, which defeat the purpose.

Dry hop during the diacetyl rest

Dry hopping a lager is all about timing. Hops contain enzymes that break down unfermentable sugars into fermentable ones, a process brewers call hop creep. That restarts fermentation, raises the final alcohol slightly and often brings back diacetyl. Dry hopping during the warm diacetyl rest deals with all three at once. The yeast is still active and warm enough to ferment the new sugar and clean up the diacetyl.

Add the dry hops when you raise the temperature. Leave them for three to four days, then check that gravity is stable and that a warmed sample smells clean, with no butter.

Lager it, but not for too long

Once the beer is stable and clean, chill it to 0 to 2 °C. A classic pilsner might lager for six weeks. A hoppy lager loses hop aroma the longer it sits, so two to three weeks is a better target. Fining with gelatin speeds up clearing if you want it bright.

Oxygen pickup is the bigger threat. Dry hopping often introduces air. Hop aroma oxidises quickly into a dull, papery note. Purge any vessel you transfer into with CO2, keep transfers closed where possible and package as soon as the beer is clear. Carbonate to about 2.6 volumes.

Store cold, drink fresh

Hop aroma fades fast, faster still in heat. Keep finished beer cold and try to drink it within six to eight weeks. A hoppy lager stored at 30 °C will taste flat within weeks. It is a style where packaging and storage are part of the recipe. Learning to recognise early oxidation before the beer is obviously stale is a sensory skill worth training.

Test the fridge through every step

Before you brew, check that your fridge can move from 10 °C to 17 °C and back down to 1 °C on command. Run the controller through that sequence with a bucket of water over a week. If it holds each step, you have what this beer needs.

Common questions

When should I dry hop a lager?

During the diacetyl rest, when the beer is warm and the yeast is still active. That handles hop creep and any diacetyl it brings back.

How long should a hoppy lager be lagered?

About two to three weeks near 0 to 2 °C. Longer lagering fades hop aroma.

Can I brew a hoppy lager with ale yeast?

You can brew a similar beer, but it becomes a pale ale. The clean lager base is what defines the style.