Pool Ionizer Pros and Cons

As with everything in life, there are pros and cons for pool ionizers

This article discusses pool ionizer pros and cons.

Everyone wants fewer chemicals in their pool. Several products, including pool ionizers, help you achieve that. This article looks at the pros and cons of pool ionizers to help you decide if they are right for you.

Pro: Ionizers are Effective at Algae Control

With a backyard swimming pool, algae is your worst enemy. Algae comes in many forms; the hotter it gets, the more it grows.

Pool ionizers are extremely effective at controlling algae. The ClearBlue Ionizer, in particular, uses a combination of silver, copper, and zinc, all of which are known to battle different types of algae.

If you have an ionized pool, you don’t need algaecide and less chlorine to keep the water clear. Plus, ionizers use natural minerals with no additives, so they are a clean and healthy way to control algae.

Con: Ionizers do not Oxidize Organic Material

One of the primary functions of a pool sanitizer is to oxidize organic matter. Copper and silver-copper ionizers assist in controlling bacteria and algae in pools and spas by augmenting the bactericidal and algicidal activity of primary disinfectants. But they do not break down sweat, lotions, makeup, etc. So, all pool ionizers need some form of oxidizer for a complete system. The most common one is chlorine at a reduced level.

Pro: Ionizers Allow Chlorine Reduction

Most pool ionizers recommend maintaining a residual of 0.5 – 0.6ppm of chlorine, vs. 1-3ppm with chlorine alone. This is a 40% – 80% reduction of chlorine and is the same amount permitted in drinking water. With this reduction, there is no chlorine smell, and the water does not dry skin or fade bathing suits. If the chlorine level is safe enough for drinking water, you can be sure it’s safe to swim in.

Con: Ionizers Have a Replaceable Cell

Ionizers use a mineral cell to build up minerals in the water. These cells have a lifespan of 3 months to 3 years, and when they run out, the ionizer stops working.

Replacement cells range from $70 to $200+, so you need to account for this when budgeting your pool maintenance. However, since the chlorine, algaecide, and pH-balancing chemicals are reduced, you should recover most or all of this additional cost.

Pro: Ionizers Offer Great Value

Several products help reduce the chlorine requirement in swimming pools. The most common ones are ionizers, UV, and ozone. According to NSF, EPA, and other governing bodies, each solution allows you to reduce the chlorine requirement to 0.5 ppm. While they all take a different approach, the net reduction is the same, and no combination of systems will allow you to safely reduce chlorine lower than this.

The cost of ionizers is less than that of UV and ozone systems, both in terms of up-front cost and long-term cost. So, you spend less money to achieve the same result.

Con: Ionizers Have the Potential to Stain

When minerals are added to pool or hot tub waters, there is always the risk that they will come undissolved and collect on surfaces. Collected minerals will eventually stain if they are not cleaned off. This can be an issue when water parameters are improperly maintained and the copper level is not tested regularly.

Early ionizers developed a bad reputation for this, and many pool professionals will tell you to stay away because of these bad apples. However, not all systems are created equally. The ClearBlue Ionizer, for example, is precisely controlled to keep the minerals at a consistent level that is too low for them to collect.

As insurance against staining, you can use a chelating product like The Ionizer Stuff or Orenda SC-1000. These products dissolve the minerals so they are in the water and kill microorganisms—not collecting on the surfaces. If you have a concrete pool, white fiberglass, or other light-colored pool surface, using this product at least twice a year is a good idea. If you close your pool for the winter, the best times to use it are when you open and close it.

So, there are the pros and cons of pool ionizers. Hopefully, this will help you decide which alternative sanitizer is best for you!

Check out the Mineral Lion Pool Ionizer on Amazon