You'll need to be 45+ to know what CSEs were but, in short, if you weren't fit to take an O-level (GCSE) you took a CSE. With only achieving a grade 2, it's fair to say Chemistry wasn't my strong suit. Now that's said, I've been looking at my water and am getting flashbacks to Mr Egan's Chemistry class.
I have a Salifert Kit and have tested my water's alkalinity (or hardness?), 165mg/L as CaCO3. I've also got the following from my water report;
Ca 59
Mg 9.6
Na 31
SO4 57
Cl 28
I have treated my water in the past using Jim's Liquor Treatment Calculator by GW to establish I needed c.30ml of CRS, c.8g of gypsum and a dash of calcium chloride in 35L of liquor for a bitter. I've been going through it again and have realised I'm way out of my depth. I had a look at Bru'n Water which is even more in depth and BeerSmith2 which seems a bit too simplistic.
I'm happy to give Murphy's water testing service a go (if it's any good and they're still doing it) or can someone give us a few pointers based on my water profile above? My default brew is a malty English bitter, fairly low on bitterness and not too hoppy.
Thanks.