Australian pale malt trial 3, brew day

 26 Dec, 2024

Mash water @ ph 5.4
3.6L
Use  2.5L, remaining for evap fill up or sparge

Grain 500g

Grain to water ratio 1:4

3560 g ph5.3 strike prepared

Take 2000ml 

Boil to 75 c

Drop malt 

66 c after drop

After 10 min pH 6.3
Use 6% Phosphoric acid to adjust.

Add 3 drop ph 6.1

after 18 drops still 6.13. stop adjusting 

After 60 min
Refractometer reading:
13.2, brix 1.05

Iodine test brown. Very nice.

Boil @ 75 c for 10min

Hydrometer reading 1050 to 1055 when (50-60c)

Use 2.7g galaxy hop( should be 4.9g), ie add 0.1g ( should  be 2.3g) at 30 min and 2.6g at 50 min

After 50 min rolling boil,  pH 6.34

SG 1.052 refractometer 

Wort volume 2L

23：15 in carboy fermentor

Yeast starter refractometer 1.020