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Coastal Pools


Frequently Asked Questions

1. What is an appropriate pH level?

An appropriate pH level is between 7.2 and 7.6

2. What is an appropriate chlorine level?

An appropriate chlorine level is between 1.0 and 3.0 ppm.

3. What is the recommended range for total alkalinity?

100 to 150 ppm is recommended when using a stabilized chlorine. Using an unstabilized chlorine the range is 80 to 120 ppm.

4. How do I obtain a good water sample?

From the deep end of the pool, reach down to elbow depth (18") and collect 8 oz of water in a clean plastic container.

5. Why is stabilizer important?

The sun's rays can destroy the chlorine in your pool. Stabilizer acts as a shield to extend the longevity of the chlorine.

6. What other tests can a dealer perform on the water sample?

We can also test your water for: iron, copper, total dissolved solids, saturation index and calcium hardness.


We have created a couple of PDF documents regarding caring for your pool. You may view them online and/or print them out for your convenience.

  • Pool Care Instructions

  • Pool Care Maintenance and Chemical Information Guide


    Water testing
  •  Coastal Pools, Inc.  186 Mattakeesett St., Pembroke, MA 02359   781-294-1532

    Copyright © 2004 Coastal Pools, Inc.  All Rights Reserved.