Galaxy hop pale ale , trial 5. Brew day

 5/3

Grain Bill

400g 2-Row Brewer’s Malt 

72g. Munich Malt >> vienna malt used instead

36g Crystal 20L Malt

510g total

Grain to water =1: 3.33, ie 1.7L

0.4g gypsum

0.4g cacl2

10% Phosphoric acid:

In his book Modern Homebrew Recipes he says the 1/4 tsp of 10% phosphoric acid will bring 5 gallon RO water to 5.2-5.3 pH

1 tsp = 4.9ml

Convert 19L to 4L:

.25tsp / 19L*4L=.05tsp=,0.05*4.9ml=0.26ml

Or (0.05 ml/drop) 10 drops. ( is it 6 drops)?

During 66 deg c mashing, 60 min

Ph5.0+ to 5.4- , by litmus paper 

Mashing out ( halt enzyme) 75 deg c @15 min

Wort Boil for 60 min

Ph measure to be 6.4 ( Should it be 5.x?) my previous blog

Hop adding schedule:

1st  1.2g @ start boil

2.3g @40 min into boil

2.3g @50 min into boil. pH measured again. 6.4

4.6g @60 min ie end of boil

O.G. 1.060

1.065 by refractometer 

1.6L final volume 

Yeast: American ale 

fermoale AY4 YL692

1.9g used(20% extra)