Salt Water F.A.Q.

Below is a collection of frequently asked questions about the ACE Salt Water System. If those listed below don’t answer your specific question, please call our Service Center at 503-533-5603 and we’ll be happy to help.

1. How long have chlorine-based salt water systems been used in the pool & spa market?
2. How long has the ACE salt water sanitizing system been in testing?
3. How is the ACE salt water sanitizing system different from a traditional chlorine generating system?
4. How does the ACE salt water sanitizing system use diamond technology to generate chlorine?
5. Is the ACE salt water sanitizing system backwards compatible?
6. What is the difference between bottled chlorine and chlorine generated by the ACE system?
7.Will my hot tub water have a strong chlorine smell?
8. What is the Vanishing Act calcium remover and why should I use it?
9. I have been told that my water has high hardness and that an anti-scalant or scale control product is needed. What should I add?
10. If the ACE system is maintaining my spa water for me – what am I required to do?
11. What does cleaning the diamond electrode cell entail?
12. The chlorine level is below 3 ppm, can I still use the spa?
13. Can I use table salt in place of Spa Salt in the spa?
14. Will my spa water taste salty?
15. How much salt does the ACE salt water sanitizing system use, and will it cause corrosion?
16. Will salt collect behind the pillows and on the fittings above the water?
17. Will the salt water harm decks or plants?

1. How long have chlorine-based salt water systems been used in the pool & spa market?

Salt water systems have been in use for over 30 years, but this is the first diamond technology salt water sanitizer.

2. How long has the ACE salt water sanitizing system been in testing?

Hot Spring Spas tested the diamond technology for over 3 years before rolling it to the public.

3. How is the ACE salt water sanitizing system different from a traditional chlorine generating system?

Traditional chlorine generating systems use titanium electrodes capable of producing only chlorine. The ACE system uses a unique solid diamond electrode along with two titanium electrodes. The patented diamond electrode increases the sanitizing power in the water while using less salt.

4. How does the ACE salt water sanitizing system use diamond technology to generate chlorine?

Titanium electrodes convert chloride or bromide salt directly into chlorine or bromine. The diamond electrode in the ACE system generates high energy Active Oxygen from water. The Active Oxygen can then clean the water without creating chlorinated or brominated byproducts.

Once the water is clean, the Active Oxygen produces the chlorine residual as well as ozone, hydrogen peroxide, and MPS. (Note that MPS generation is dependent on having pH down present in the water.)

5. Is the ACE salt water sanitizing system backwards compatible?

No. The ACE system is an option for Hot Spring spas built on or after August 5, 2009 and Limelight Spas built in Phase II 2010.

6. What is the difference between bottled chlorine and chlorine generated by the ACE system?

Both bottled chlorine and the chlorine generated by the ACE system is sodium hypochlorite.
Bottled chlorine contains stabilizers like cyanuric acid. When bottled chlorine is repeatedly added to hot tub water, the cyanuric acid can accumulate over time and causes the irritation to the skin and eyes typically associated with traditional chlorine water care.

There are no stabilizing acids added to the water with the ACE system. This keeps the water gentler and it’s more enjoyable.

7. Will my hot tub water have a strong chlorine smell?

The ACE system cleans the water with Active Oxygen first, without creating chlorinated or brominated byproducts. It is these byproducts that ultimately lead to the strong chlorine or bromine smell often associated with traditional spa water care. It is less likely you will experience any strong chlorine odor when using the ACE salt water sanitizing system.

8. What is the Vanishing Act calcium remover and why should I use it?

Vanishing Act calcium remover is a patent-pending product that removes calcium from the water.
This reduces the hardness making spa water softer and more enjoyable for soaking.

This is the best option to achieve the desired hardness level of 50ppm for proper ACE system operation and to minimize the need for cell cleaning.

9. I have been told that my water has high hardness and that an anti-scalant or scale control product is needed. What should I add?

The use of an anti-scalant or scale control product, such as FreshWater? Stain and Scale Defense, is not recommended with the ACE system. Instead use the Clean Screen pre-filter and the Vanishing Act calcium remover to remove contaminants, metals, minerals, and hardness from the water before you start the system, so you begin with the purest spa water possible.

10. If the ACE system is maintaining my spa water for me – what am I required to do?

The ACE system automatically generates powerful cleaners and the required sanitizer/chlorine needed to keep spa water clean and safe. In doing so it eliminates much of the daily or weekly water care requirements of traditional systems.

As the spa owner you still are ultimately responsible for the safety of your water and must be sure to do all of the following:

  • Balance spa water at start-up and keep the hardness level near the target of 50 ppm.
  • Ensure the chlorine level is in the EPA recommended range of 3-5 ppm.
  • Test and rebalance spa water, and confirm use level, every 30 days.
  • Clean the diamond electrode cell every three months.

 

11. What does cleaning the diamond electrode cell entail?

The cell can be cleaned repeatedly with a mild acid solution (we recommend using pH down mixed with spa water).

  • Soak the cell in the cleaning solution for 10 minutes at a time.
  • If bubbles continue to come off the cell, change the solution and repeat.
  • Do not leave the cell in solution for longer than 30 minutes at a time.

We recommend cleaning the cell every 3 months.

 

12. The chlorine level is below 3 ppm, can I still use the spa?

The ACE system cleans your spa with a variety of oxidizers in addition to chlorine, but the EPA recommends that the chlorine level remain between 3-5 ppm for spa use.

The ACE system features a Boost function, which increases the chlorine level by generating chlorine for 24 hours from time of activation. You can also add bottled chlorine manually to the spa water to supplement the ACE system.

13. Can I use table salt in place of Spa Salt in the spa?

Table salt is not recommended for use with the ACE system because it contains iodine and anti-caking agents that will interfere with the ACE system operation and may cause staining of the spa shell.

14. Will my spa water taste salty?

NO. On average, the salt level of tap water is around 500 ppm.
The target salt level for spa water when using the ACE salt water sanitizing system is 1,000 ppm. This is virtually undetectable by taste or smell.

For comparison, the salt level of sea water is approximately 35,000 ppm.

15. How much salt does the ACE salt water sanitizing system use, and will it cause corrosion?

Pools systems use up to 5,000 ppm of salt. High salt levels, like those used in a pool, combined with unstable water in a spa, can corrode equipment over time. The unique diamond technology used by the ACE system allows salt levels to be at a minimal 1,000 – 1,500 ppm which helps prevent corrosion.

16. Will salt collect behind the pillows and on the fittings above the water?

The salt level is slightly more than tap water. When using the Vanishing Act calcium remover you should see reduced water lines and salt/scale formation.

17. Will the salt water harm decks or plants?

NO. The salt level of water when using the ACE system is not high enough to cause damage. It is still recommended to regularly hose down decks and nearby plants since salt can accumulate to higher levels that can damage and discolor decking as well as kill plants.

When draining the spa, follow all local codes and guidelines.