Brand Specific Forums > Hot Spring Spas
Why is there no chlorine reading in my salt tub?
Hottubguy:
What level do you have salt system set at? And are you using a freshwater mineral stick with it?
Hottubguy:
One other thing to add Sammi, when your dealer tested water did he test for phosphates
Sammi:
I don't think they tested for phosphates but in fairness our tap water has won awards for being one of the best in the nation. My local brewry brews with straight tap water because it so good and is one of the top micro-brews in the country. My dealer is very familiar with my tap water and also used a water softner when filling my spa. Though after 6 cups of salt my salt system reading is still boderline yellow/red on the light side (around 7:00 o'clock) but salt system says OK.
We've used the spa heavily in the past week. It's new and we love it. I added a 1/4 cup of chlorine granuales today and by tonight the water cleared up for the most part. I also cleaned the main filter which was very yellow on the bottom half.
I have the salt water system and ozone system but no mineral stick. Its been a week since we installed the spa and the salt walter system has been set at 10 since day 1. I've been testing the water multiple times a day ans last night after use there was zero residual chlorine which worried me - but i was hoping the system would handle it. Obviously I was wrong. We do rinse in a high pressure shower before each use and have used the same rinsed suits since day 1.
My feeling is due to heavy use we need to supplement with a half to full tablespoon of chlorine granuled every two days to allow the system to keep up. I have no idea how much a non-salt tub would need.....
castletonia:
The salt system isn't going to work as effectively as it could if the salt is low. Maybe your dealer has a master plan that works for them but I was told by Hot Spring tech support that the system produces chlorine most effectively when the salt system is in the upper end of the green.
Ozone oxidizes chlorine so you likely will never have much of a chlorine reading when using ozone + salt. Get your water tested for phosphates. You can't see or taste phosphates. Municipalities will actually add phosphates to tap water to prevent corrosion so if you live in a city will older underground pipes, I would be surprised if you didn't have any. High phosphates can deplete chlorine.
I would have a talk with your dealer also about switching to liquid chlorine if you need to add chlorine with any regularity.
Flyonthewall:
them telling you to keep the salt low directly contradicts the freshwater salt owners manual. download one from the hot spring website if you don't have a hard copy. under the no chlorine reading section of troubleshooting it says "keep the salt level near the high end of the ok range (2,000) to ensure maximum chlorine generation". the same section talks about cyanuric acid lock (cya). other things like ph balance, and filter cleanliness can have an effect. it could also be simply the 1st time fill up blues. apparently test water stagnating in the pipes is an industry wide issue. another major manufacturer's owners manual says to fill the new spa, shock it with an incredible amount of chlorine, then drain it right away. who wants to do that. the gist of the story is people report the water being much easier to maintain after their 1st drain and refill. as far as the after soak chlorine consider mixing in some non chlorine shock instead. it will help oxidize bather waste without raising cya. then your salt chlorine can build up that reserve.
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