Brand Specific Forums > Hot Spring Spas
Freshwater Salt Cartridge Lifespan Experiences
jonat:
I received the following from my dealer today:
"Greetings from the Mainely Tubs Service Team,
We are reaching out to you today, not only as a valued customer but also as a salt system hot tub user.
We wish to update you with some very important changes to the salt system water care procedures. We have seen an increase in foaming and shortened life spans of customer ACE® cells and FreshWater® salt cartridges. Normal explanations and corrections have not been as effective as we would like to see, which prompted Mainely Tubs to do some research and testing. Our findings have revealed that the cause, in most cases, is related to high levels of phosphates in the water.
Phosphates are not harmful and are naturally occurring compounds in our lives that are found in our food, water, and bodies. They are introduced to our water with detergents, lotions, rain and snow runoff, dirt and soil, animal droppings, lawn and garden products, etc. We have discovered phosphates in both well and city water supplies.
Due to these findings, we are now recommending that our salt water customers test for phosphates.
If Mainely Tubs or you should discover a phosphate issue, there will be an added step to your water care treatment. It requires an additional test and if positive will require that you add the appropriate amount of Natural Chemistry® Phosfree® phosphate remover, which is a product that Mainely Tubs now stocks and sells, including the appropriate Natural Chemistry® Phosphate test strips. While this is an added step and expense, we feel strongly that once this becomes part of your normal tub maintenance, if needed, you will experience better water quality and a more enjoyable hot tub experience."
(The test strips and remover are cheaper on Amazon.)
Sammi:
--- Quote from: JohnMillard on February 23, 2022, 11:42:31 am ---Having same problem. Every ~ 45 days, like clockwork, the salt cartridge fails. The've been out five times and are trying one more thing tomorrow, but they say if that doesn't fix it then I'm relegated to replacing for the lifetime of the tub every 45 days and they will credit the short life of each cartridge. Not happy with this response after spending almost $20,000
--- End quote ---
Have they tested for phosphates? As previously noted my tub has worked great getting 4-6 months out of my sticks now (had the same issues as you the first 3 months). Stagnant water on first start up and high phosphates are the two culprits I've discovered. Phosphate remover is cheap, and really only needs to be used at initial fill.
jonat:
Just tested my new spa for phosphates - wow! a 1000 reading. PhosFree coming tomorrow.
LRing1961:
I have a 2019 Limelight Flash. I've had it two years and kept perfect records on each cartridge change. For me it's every 6 weeks. All have been grey button (i'm pretty sure - certainly all of the last batch were). I keep it at 7, per dealer recommendation. I tried it at 3 and 4 for a while, but we use it every day, 20-30 minutes per day, and it wasn't keeping up.
Is this normal? It feels like A LOT of cartridges, which are not cheap, by the way.
cranbiz:
--- Quote from: LRing1961 on May 05, 2022, 12:51:41 pm ---I have a 2019 Limelight Flash. I've had it two years and kept perfect records on each cartridge change. For me it's every 6 weeks. All have been grey button (i'm pretty sure - certainly all of the last batch were). I keep it at 7, per dealer recommendation. I tried it at 3 and 4 for a while, but we use it every day, 20-30 minutes per day, and it wasn't keeping up.
Is this normal? It feels like A LOT of cartridges, which are not cheap, by the way.
--- End quote ---
Are you testing for Phosphates? If not, start testing. The phosphate level should be 300ppm or less for optimum salt cartridge life.
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