Cleveland Area Hot Tub News & Spa Owner Tips

Proper Chemical Ranges for Your Hot Tub

on . Posted in Hot Tub News & Blog

These are the guidelines from the National Swimming Pool Foundation.  When testing your Cleveland area hot tub, used these.  If you have a question, contact Northcoast Spa and Hot Tub.

Parameter

Min.

Ideal

Max.

Free Chlorine, ppm

2.0

3.0-5.0

10.0

Combined Chlorine, ppm

0

0

0.5

Total Bromine, ppm

2.0

4.0-6.0

10.0

pH

7.2

7.4-7.6

7.8

Total Alkalinity, ppm

60

80-100* 100-120**

180

Total Dissolved Solids, ppm

NA

NA

1,500 over start-up

Calcium Hardness, ppm as CaCO3

100

150-250

800

Heavy Metals

None

None

None

Visible Algae

None

None

None

Bacteria

None

None

Local code

Cyanuric Acid, ppm (if used)

0

30-50

***

Temperature, °F



Personal preference

104°F

Ozone, ppm





0.1 over 8-hr.
time wtd. avg.



* For spas sanitized with calcium hypochlorite, lithium hypochlorite, or sodium hypochlorite
** For spas sanitized with sodium dichlor, trichlor, BCDMH, or chlorine gas
*** Dictated by state or local codes. Typically 100 ppm. (Some codes higher, others lower.)

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Location

Northcoast Spa Hot Tub Store
9040 Osborne Drive
Mentor, Ohio 44060
[Map]


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Contact

1-888-SPA-CARE (1-888-772-2273)
440-255-6620
General & Sales Contact
Support Contact


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Monday - Friday 10am - 5pm
Sat 10am-1pm
Sun closed

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