Alk 3.25 aim - reading 1.67add 165.5 ml or 33 ml over 5 days -dosed 4th time
Measured alk today and it was 2.62. on BRS calculator need to ad 77 ml....so on track. Ph probe has not been calibrated in months and is 2 years old so I am assuming it is off.

2016-04-24T18:02Z[GMT]