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ATF Lawnmower Lager

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The ATF Lawnmower Lager is a great easy drinking beer. It is soft on the palate with a dry refreshing finish, a gentle bitterness and very mild floral spicy hop flavour and aroma.

Yeast is not included in the kit. We recommend using packets of Fermentis Saflager S-189 if fermenting cold.

If you are unable to perform a cold fermentation you can ferment warm (20℃) using Mangrove Jack's California Lager yeast or Fermentis SafLager W-34/70.

Note on Fermentation Temperature

Mangrove Jack's California Lager Yeast

Mangrove Jack's California Lager yeast is a unique lager strain that has the ability to ferment at ale temperatures and still provide a typical lager flavour profile. 

Fermentis SafLager W-34/70

Sensory testing performed by Fermentis on W-34/70 shows that it is a very robust yeast capable of providing a clean neutral flavour profile across a wide range of fermentation temperatures (12 - 20).  Click here to download the Fermentis iPhone app for more information.

Note on Water Profile

The recommended water profile for this beer is very soft with no more than 7ppm of any mineral. The following water sources have slightly higher concentrations of some minerals than the recommended water profile, however they are still sufficiently soft to produce a soft delicate beer such as the ATF Lawnmower Lager:

  • Paraparaumu/Raumati/Waikanae/Peka Peka
  • Te Horo
  • Wellington

The beer may be brewed using other water sources, but may not have the same soft delicate mouthfeel and bitterness. Rainwater, reverse osmosis water, or bottled spring water is ideal.

The Details

24 L Batch 48 L Batch
Pre-boil Volume @ 100℃ 30.25 L 56 L
Assumed Boil off rate per hour 3.5 L 4 L
Post Boil Kettle Volume @ 20℃
24 L
48 L
Post Boil Efficiency
Target Original Gravity
1.045 1.045
Target Final Gravity
1.009 1.009
4.7% 4.7%
Colour (SRM)
IBU Calculated 20
Packets of recommended yeast (cold fermentation- SafLager S-189 2-3 4-7
Packets of recommended yeast (warm fermentation- SafLager W-34/70
1 2
Packets of recommended yeast (warm fermentation) - MJ Californian Lager
1 2


This kit contains:

Detailed recipe and instructions.

Grain (milled or unmilled)

  • Lager Light
  • Sour Grapes


  • Warrior
  • Hallertau Mittelfruh

Brewing salts (if required)

Please select the source water you will be using to receive the correct salts. The target water profile is provided for brewers using another source water so that the correct mineral/acid additions can be calculated to achieve the target water profile and mash pH. Brewing salts and lactic acid can be purchased here.

Kettle Finings

  • Protafloc

Yeast Nutrient

  • Yeast Vit


    This kit is only put together when ordered. All hops are kept vacuumed sealed and refrigerated. Yeast is also kept refrigerated.