How Hard or Soft is Your Source Water ...
Remember that the source water for filling your pool can have certain properties that can cause chemical changes as you top off your pool; especially calcium hardness & metals & minerals.
1 gpg = 17 ppm
Dark Green - Extremely Hard, over 14 gpg
Orange - Very Hard, 10 to 14 gpg
Blue - Hard, 7 to 10 gpg
Red - Moderately Hard, 3 to 7 gpg
Yellow - Slightly Hard (Soft), 1 to 3 gpg
If your tap water is "soft" or "hard", those chemical make ups, make a difference. The use of water softeners makes a difference. PLEASE tell us this information when you contact us so that we can better help you.
- For more information on the workings of your pool, click on the 5 Keys to Pool Care
All information contained in this article is courtesy of the BioGuard H2Know 2015-2016 Reference Guide.
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Telephone (during store hours): Shelton, CT 203-377-0100
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