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14Apr

Pool Water Enzymes vs Spa Water Enzymes – Are They Interchangeable?

“Can pool chemicals be used for hot tubs and vice versa? Afterall, it’s all just water right?”

 

Think about this scenario, you’ve just run out of your Waters Choice Spa water treatment. However, you DO have a bottle of Pool Enzyme treatment. 

 

Can you use the pool treatment enzymes for your hot tub or SWIM spa? ABSOLUTELY NOT. Nope. Not at ALL. 

 

The same can be said of about any treatment you’d use for your water care.  Even if the ingredients seem to be exactly the same.

 

It’s safe to say that this mistake may save you some money in the short term, but it can cost you much more in the long run. The difference lies in the difference between pools, hot tubs and SWIM spas. Read on.

 

Pool Versus Spa

 

There are many contrasts between swimming pools and spas or hot tubs.  The major ones include:

 

  • Size – Pools are obviously larger than hot tubs.  Swimming pools need larger amounts of more concentrated chemicals to effectively clean and treat the water which has more volume and covers a larger area than that of a spa.

 

  • Water Temperature – Pools have a water temperature of typically 80 degrees Fahrenheit.  Spas typically have a temperature between 95-104 degrees.  The hotter temperature affects the reaction of the chemicals.

 

  • Jets vs No Jets – Water circulation helps disperse chemicals so less is needed.  Pools with more stagnant water require more chemicals that are higher concentrated.

 

  • Person Capacity – The average hot tub water bather capacity is around three.  A backyard pool can accommodate up to 300 bathers.  With hot tubs, there are less bathers and they do not rotate in and out as frequently.

 

  • Water Evaporation – Water in a hot tub evaporates quicker than water in a swimming pool. When more water is being evaporated the less chemicals are needed to do the job.

What Happens if Pool Chemicals Are Used in the Hot Tub?

 

Against all that would seem to make sense, you shouldn’t use pool chemicals in your hot tub.  Pool chemicals are more concentrated than those made for hot tubs, even though they can be the same material.  Here are some reasons to avoid putting pool chemicals in your hot tub.

 

Waters Choice Pure Enzymes have been formulated specifically as a pool treatment and a spa treatment because of the differences stated above.  Using one for the other WILL create water care problems.

 

Pool Tri-Chlor tablets are very acidic.  While it doesn’t negatively affect pool water, it’s acidity rapidly destroys the hot tub water’s total alkalinity’s buffering capacity resulting in a severe drop in pH.

 

In the same fashion, soda ash can also disrupt the alkalinity of hot tub water which can lead to a great spike in pH. The pH can potentially reach as high as 13, making it hazardous to soak in. It can be hard to restore perfect pH balance afterward even after adding acid to lower the pH.
 

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Equally important, liquid Chlorine contains a lot of salt. In fact, there is one pound of salt per one gallon of chlorine.  This high amount of salt added to such a small volume of water will increase the water’s alkalinity, pH, and water hardness.  These will also cause the level of dissolved solids in the water to also increase.  The abundant dissolved solids mean more frequent draining and changing of the water, increased scale and possible filter and equipment failure.

 

Of course, you may be tempted to substitute pool chemicals for hot tub water care because you believe it will be less expensive.  

 

Take our advice, don’t do it! Doing so could ultimately be much more expensive and will only leave you very frustrated.

 

Additional Questions?

 

If you have additional questions never hesitate to give us a call at Waters Choice.  We have a great customer service department! 

 

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