11
Onzen Technical Guide
Steps to Establish Chemically Balanced Water With Onzen Continued
Step 4. Add Salt to Spa Water & Test TA / pH
(a) Slowly pour the dissolved salt from the pail into the spa water.
(b) Run pumps for 5 minutes to help mix salt blend through.
(c) Wait 1 hour.
(d) Then test and adjust Total Alkalinity level accordingly.
(e) Then test and adjust pH level accordingly.
Refer to steps 3 and 4 for correct TA/pH levels.
Step 5. Repeat Step 3 & 4
Repeat steps 5 and 6, ensuring all sub steps are carried out accordingly.
Step 6. Repeat Step 3 & 4
Repeat steps 5 and 6, ensuring all sub steps are carried out accordingly.
Step 7. Test Sodium Chloride Level
You will now need to test sodium chloride levels.
Refer ‘Using Sodium Chloride Test Strips’ for details.
If sodium chloride levels are low, dissolve 1/2 lb (225 Grams) of salt
(using cup provided) into hot water. Pour the dissolved salt into the
spa water. Test sodium chloride level.
Repeat until required sodium chloride level is reached:
Minimum
Maximum
1500 ppm
1800 ppm
Note: The Arctic Spas Onzen Salt Chart in this guide provides the
estimated impact of adding ½ lb (225 Grams) of salt to
your spa.
Note: For start up it is recommended to strive for the minimum
salt dosage. Once a Sodium Chloride reading has been taken
and the minimum salt dosage achieved, it can be increased
slightly to accommodate spa usage and bather load, if
increasing the Onzen run time does not adequately increase
the Chlorine Residual. Having the minimum amount of salt
concentration unless the Onzen system is unable to maintain
the proper Chlorine Residual, will reduce potential corrosion
and increase the life of the Onzen Output Electrode.
