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Common Problems & Solutions for a BaquaSpa Spa


Soft Soak or BaquaSpa Sanitizer®s are a chlorine-free polymeric sanitizer’s that are effective against a wide variety of microorganisms. Because it forms insoluble complexes with spa and contaminants, Soft Soak or BaquaSpa Sanitizer® works in conjunction with the filter to physically remove impurities from the water as it sanitizes.

Because of it’s complex chemical structure, Soft soak or BaquaSpa® is extremely stable. Unlike the efficacy of halogen sanitizers (chlorine, bromine), the efficacy of Soft Soak or BaquaSpa® is not affected by sunlight, temperature, or pH fluctuations.

The stability allows a spa to be properly maintained for longer periods before additional Soft Soak or BaquaSpa Sanitizer® is required, which provides better, more consistent bacteria control and greater ease of operation.

Clear sparkling water does not take nearly as much work with Soft Soak or BaquaSpa Sanitizer® as it does with chlorine or bromine. This is because the active ingredient in Soft Soak or BaquaSpa Sanitizer® is much more stable than chlorine or bromine, so its effectiveness lasts longer.
You also won’t have the bleaching of hair, fabrics, or vinyl liners usually associated with other sanitizers, and you’re less likely to encounter skin or eye irritation.

Factors that affect the quality of spa water are pH, total alkalinity, calcium hardness, and total dissolved solids. The relationship between these factors is called “water balance.” When these factors are properly adjusted, it is unlikely the water will deposit scale or corrode exposed equipment. Well-balanced water also provides maximum comfort.

The source of the water (such as treated municipal water, ground water, or well water) will impact many of these factors in different ways. Knowing the water’s source will help you know what steps to take to balance the spa and keep it balanced.

Corrosion can result in pitting, etching, stripping of metals, and eye & skin irritations. Some symptoms of scaling are cloudy water, short filter runs, staining, and eye and skin irritation.


Haze is insoluble particles suspended in the spa water. The more particles, the hazier the water. The smaller the particles, the more difficult it is to filter them out. If particles are too small, they may not be filterable. The haze may or may not be biological in origin. Generally, the causes of haze is one or more of the following:
– Chemical water balance – incompatible chemicals have been added.
– Mechanical – faulty or inadequate filtration.
– Biological – water mold or algae.

To treat haze due to filtration, circulation or biological problems, use Soft Soak or Baqua Clean® filter aid or one of the following:
– Broadcast floc (it’s not that hard)
– Filter Aid (repeated applications will be necessary)
– Use a service D.E. filter (48-72 hrs)

Watermold is a type of biofilm. A biofilm is a colony of microorganisms that secretes an extracellular mass which protects it from biocides; and in some cases, causes the colony to adhere to a solid surface.

Signs of water mold are clear, white, gray or pink slimy deposits on the side of the spa. Growth may not be readily visible. A rapid depletion of the oxidizer is the best indicator when normal sanitizer levels are maintained.

Common causes of watermold in a spa include one or more of the following: improper housekeeping, poor circulation, dirty filter, contaminated equipment and the environment. Solutions include: evaluation of the pool’s mechanical system and housekeeping routine – adjusting if necessary, cleaning the filter with Soft Soak cleaner or Baqua Clean®. Because of the complexity in resolving water mold, you may need to bring in a water sample and perform a full decontamination following BioGuard or Baqua Treatment Guidelines which can be obtained at Ultra Modern Pool and Patio.


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