When someone is talking about acidity in coffee, they are referring to the range of flavors the coffee offers and not pH levels. Acidity consist of citric, malic or tartaric acids the bean expresses when you brew it.  The quality of acidity shows up in the flavors you taste.  Lighter or Single-origin roasts are more likely to express smoother flavors while darker roasts are stronger and often mentioned as brighter. 

How coffee is roasted can change the perception of that bean’s acidity.  Darker roasts can show caramelized sugars as lighter roasts show more fruity or juicy flavors. 

If you want to really see the difference in acidity (pH wise) then try putting a cup of soda, orange juice, wine and water next to each other.  This will make it easy to tell how coffee’s pH level of acid is lower than most beverages you consume on a daily basis.  

 Your beloved coffee wants to taste its best.  Open the bag and smell the aroma of coffee is like no other, yet your coffee has an enemy.  This enemy takes the freshness out of your delightful treat and the flavors start tasting flat and unrecognizable.  So lets talk about the 5 different things that reduce the freshness of your coffee: Air, moisture, heat, light and grinding (yes grinding.  Give us some latitude here and hear us out).

To preserve the flavor of your freshly roasted beans store them in an air tight, opaque container at room temperature. Be careful and avoid your beans being close to appliances that may heat up your beans or storage containers that that allow a lot of light.  Like wine, coffee likes a cool place where the temperature is consistent and not humid.  Avoid clear canisters that make your coffee look great and will compromise the flavor and make sure the canister is air tight.  Grind when you plan on using the beans and grind only what you plan on using.  As soon as the beans are ground, they start loosing their flavor immediately and you will taste the difference within hours if not sooner.

Who would have thought that instant coffee would rise faster than Tesla stock and be more popular than espresso?  No one.  Welcome Dalgona coffee.  What is it? Named after a South Korean actor, is instant coffee with sugar and water, whipped until it creates a fluffy frothy delight.  What is happening, well when you place these three ingredients together, and whip them up (I highly recommend using a mixer to do this faster, it aerates the mixture into the fluffy delight that is taking over social media.    Add it to the top of a glass of milk and you are all set.  

If you haven't tried it you should.  its very good, especially with iced milk and complements perfectly with the weather warming up in the next few weeks.  Think early afternoons.  
There are many versions of this such as replacing or adding matcha, or adding chocolate to the mix.  Either way its hard not to enjoy it.  Here is a simple recipe below that you can try.  

Recipe | Combine in a bowl
3 Tablespoons of instant coffee
3 Tablespoons of sugar
2.5 to 3 Tablespoons of water
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Put it all in a bowl and start mixing
* Note we HIGHLY recommend using a mixer. 
Once fluffy, pour your A2 Milk in a glass and with ice
then scoop your fluffy delight on top and enjoy!