Sustain® 3-Part System Usage Calculator

1. To estimate how much of each chemical you will need, you must first determine the volume of your pool using the form below. Simply locate the shape of your pool and enter its measurements in the highlighted area.

Rectangular pools

Rectangular Pools:

Length x Width x Average Depth x 7.5 = Total Gallons

ft.
ft.
ft.
 
Round pools

Round Pools:

Length x Width x Average Depth x 5.9 = Total Gallons

ft.
ft.
ft.
 
Oval pools

Oval Pools:

Length x Width x Average Depth x 6.7 = Total Gallons

ft.
ft.
ft.
 

2. The second step is to enter the number of weeks you will be running your pool in the box below to determine the estimated amount of each Sustain System Product your pool requires for one season.

 
 

3. Estimated Seasonal Requirements

Sustain Summer Shield Chlorine Extender Sustain 3” Chlorinating Tablets Sustain 3/4” Shield Energizing Tablets
   

After determining your pool's product requirements, check the Sustain product labels for the proper application of Sustain Summer Shield Chlorine Extender and Sustain Tablets. If you need additional information ask your Authorized Sustain System Dealer.

The results shown above are based upon Axiall Water Treatment Product’s best estimate for usage of these products. Your consumption of chemicals may vary, increasing or decreasing based upon a number of environmental factors such as rain, temperature, and wind-swept debris like leaves, fertilizers, etc. Regular heavy bather loads can also affect consumption.