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The answer above, is what many people believe. Unfortunately, the vocabulary in English is not clear or consistent.

In water treatment (including Swimming Pools), alkalinity refers to how resistant to pH change water is. It gets confusing, because most chemicals used to increase alkalinity are "alkaline" or high in pH, and increase the pH, along with the alkalinity.

But, many acids, such as cyanuric acid or boric acid will increase the alkalinity of many bodies of water.

pH is simply a measure how acid or basic (or alkaline) a solution is. Lemon juice, vinegar and battery acid are all acidic. Baking soda, soda ash, and lime are all basic or alkaline.

There are more technical answers (like, pH is the negated value of the hydrogen ion concentration of a solution), but if you NEED that answer, you probably already know it!

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Q: What is the difference between alkalinity and pH?
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Difference between acidity and alkalinity in fisheries management?

An alkaline solution has the pH over 7. An acidic solution has the pH under 7.


How does one figure out how to get the alkalinity level I know it is supposed to be between 80 and 120 but how do I figure that out?

What are your readings? What is the pH? alkalinity? Ken


What is the pH scale actually representing?

pH is a measure of acidity/alkalinity of a solution.The classic pH scale is between 0 and 14.


What is the pH indicator scale?

it indicate the acid and base of the scale


Why would you use alkalinity increaser?

Alkalinity should be maintained between 80-120 ppm to act as a buffer for pH. Without the buffer effect your pH would have more frequent and wider changes.


How do you raise the pH level in the pool?

there are two primary chemicals on the merket used to do this. 1.) soda ash usually packaged under the name pH rise or pH increaser. 2.)sodium bicarbonate usually packaged under the name alkalinity rise or alkalinity increaser. both of the above chemicals will increase both the pH and Alkalinity of the swimming pool water. always make sure your alkalinity is balanced before making any pH adjustment. it is also important to understand pH and alkalinity always move together and in the same direction. so a pH adjustment will cause a change in your alkalinity level the same way a alkalinity adjustment will cause a change in your pH. when you increase pH, alkalinity will also increase when you decrease pH, alkalinity will also decrease when you raise alkalinity, pH will also rise. always dose chemicals according to the directions on the chemical container and the volume of water you are treating.


How do you find alkalinity in water?

pH paper or a pH probe


What is a true pH?

pH is a measure of acidity or alkalinity of a solution.


What is the pH of maximam alkalinity?

14


What is the pH of maximum alkalinity?

14


What is PH up?

High alkalinity


What will reduce strong alkalinity without drastically increasing PH in pools?

pH and Alkalinity/Acidity are functions of each other. pH's above 7.0 are considered alkaline and pH's below 7.0 are considered acidic. So reducing the alkalinity will by it's very nature reduce the pH of the pool.