Technical data

23
Onzen Technical Guide
Onzen Questions Continued
Question 8: What should I do if the spa is not going to be in use or when I go on vacation?
(please see FAQ #3)
Question 11 Should I use Best Defence or another scale remover?
It is recommended that calcium be removed from the water in advance rather than adding a scale remover aer the fact.
Question 9: What is the impact of phosphates on the Onzen system?
High levels of phosphates (above 250 ppb) may reduce the eectiveness of sanitizer output.
Question 13 What happens if my water becomes cloudy?
1. Test the water for chlorine content. If the level is low add Boost.
2. Check your lters as they may require replacement.
3. Check you pH level you may need to adjust you pH down.
Question 10 : Can I use soened water with my Onzen system?
Yes.
You probably have a water soener because your water is quite hard. Your water-soener
removes calcium from your water and helps you achieve water with calcium content near the
target range, between 50 - 150 ppm.
Question 11: Prior to draining spa water for rell purposes should any form of system ush be carried out?
Yes you can, Arctic Pure ‘Fresh Start. Use in accordance with the instructions on the container. Flushing the system
components and hoses is helpful when you get biolm and calcium build-up.
It is good practice to do this at least once a year.