Water Chemistry

 Lunar Lagoon offers free water testing and guidance to help you maintain a chemically balanced and clear pool. 

Total Chlorine

The sum of both free and combined chlorine in your pool.

Total Alkalinity

Alkalinity substances help to buffer drastic changes in your pool's pH. Alkalinity and pH are a “balancing act.” Typically, when your alkalinity is high, your pH is high and when your alkalinity is low, your pH is low.

Calcium Hardness

Calcium hardness is the measure of how hard or soft your water is. Meaning that it is measuring the amount of dissolved calcium and magnesium. Too much or too little calcium hardness can cause scaling or corrosion. 


*only tested for salt water pools*

The salt level of your pool allows for us to know how much chlorine your salt cell is able produce. 

Free Chlorine

The amount of chlorine that is available to sanitize your pool.


The pH of your pool is the measurement of how acidic your water is.  pH that is in range will help to increase chlorine disinfection/sanitation.


Stabilizer is the "sunscreen" to your pool. When the UV ray index and temperature increases by 10 degrees you lose 50% of the chlorine in your pool. Stabilizer is used to help keep chlorine in your pool during extremely hot weather.


Phosphates are lotions, hair products, dirt, waste, leaves, rain water, etc. Results of high phosphates can lead to cloudiness and loss of chlorine.