888RP Senior Member Joined: 5 Mar 2013 Posts: 39 Location: Toronto Expertise: I like coffee
Espresso: Cuadra Grinder: Vario
Posted Tue Apr 23, 2013, 10:00am Subject: How to interpret Water hardness
So i live in Toronto, On and i found info on the level of water hardness in the area which i'll share below. I have read the insanely long water faq but i'm still not sure how to interpret the data below. I'm looking for answers to two questions -
Assuming i make 3-4 espressos a day, given the water hardness data below - how often should I descale my machine.
Should i be filtering the tap water in someway? my Cuadra has a water softener in the tank but should i be treating/filtering the water on top of this?
Data: What is Toronto's 'water hardness' and how does it affect me? Toronto's water hardness is usually between 106 to 127 parts per million (the average for 2009 was 120 milligram/litre or 8.4 grains/imperial gallon). Lake Ontario water is considered 'moderate' terms of water hardness. Source: http://www.toronto.ca/water/faq.htm
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