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gday, i just started making a batch of Morgans Australian Draught but i can't find the yeast that came with it.

I have a packet of SafAle yeast and a packet of brigalows yeast that came with a there lager.

I expect to be able to keep this brew at about 25 degrees.

Which one should i use?

use the safale! its a much much better yeast than either the brigalow or the one which comes from the can which is a $2 cheapie anyway.

The Safale east will give you a more lager flavour if you cna keep the temp down to about 18, so maybe ty cooling the fermenter down a little. If not, sit back, relax and enjoy the fruity esters it will produce.

its currently at 36degree (just mixed in hot stuff with cold stuff, the temp will go down, but would safale survive if i put it in now?

Don't put the yeast in until you've got the temp down

Fermenting warm will produce a lot of esters & fusel alcohols, this results in the beer having a lot of strange fruity flavours & headache inducing by products. Get as cool as you can before pitching the yeast - max 21c, preferably 19c.

cheers Ross

Also for next time, it's easier to cool the pot you boiled the hot stuff in than it is to cool the fermenter once you've mixed it with all the cold water (because the temperature differential is higher).

Put the lid on (the steam will effectively sanitise the inside), then wrap with wet teatowels. I also use a fan. You'll need to replenish the water regularly. In half an hour to an hour you can have it down around 40-50 degrees, which would mean you're only raising the overall temp of your wort by a degree or three over the tap water temperature.

Or sit the fermenter in a tray of water so and wrap with a towel making sure the towel are sitting in the water. The towel will draw up the water keeping the it constantly wet and doing this you can keep the temp between 18-20 degC. Also means you dont need a fan.