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Water Quality Issues
Water is cloudy

Possible Causes:
Cloudy water is a common complaint. The number one cause of cloudy water is
the spa user and what they bring into the spa. Spa users often bring
contaminants with them into the spa on their clothes and skin where it remains
afterwards. It can be prevented, however, by observing a few precautions.

Prevention and Treatment
Never wash the clothes that you wear into the spa in laundry detergent or fabric
softener. Laundry detergent and fabric softener stays in your clothes no matter
how well you rinse them. This causes cloudy and foamy water that is almost
impossible to clean up. The only thing you can do is wait for it to eventually filter
out. Adding Spa Brite in this case will only further delay the spas ability to
Never enter the spa with sunscreen or lotion on your skin. Oil is very difficult to
remove from the water and can cause a reaction with other chemicals that you
may add to your spa causing a cloudy water condition. It is best to rinse off prior
to entering the spa.

Use caution when adding any chemicals to correct a problem. Most cloudy water
problems are made worse by the spa owner adding chemical after chemical to
correct a cloudy water problem that normally would have cleared up with a little
Oxidizer Shock and filtration time.
Remember that swimming pool chemicals are completely different than spa
chemicals. Entering a spa with wet clothes from a swimming pool can cause a
possible chemical reaction to either the spa user and / or the spa water. Always
rinse thoroughly when transferring between a swimming pool and spa.
Filter problems
Inspect filter cartridge for tearing and cracking.
Microscopic particles too small to filter out.
Test and adjust all chemicals and add 2 oz. of Spa Bright and Clear to cause the
particles to combine together so they can be filtered out.
High TDS levels
High total alkalinity
High pH levels
High TDS levels
Test all chemical levels and make the appropriate adjustments.
Water is Oily

Possible Causes:
This is caused by body oil, perspiration, lotions and tanning oil accumulating in the spa. Enzyme Oil Gone is the
chemical that will help break-down excessive amounts of body and oils in the spa water.
1. Add ½ oz of Enzyme Oil Gone to a spa running on filter speed. Allow spa to filter until the spa water no
longer feels or looks oily. We recommend placing your spa in 24 Hour Filtration Mode) during this time.

2. You may find the need to add this product to your weekly chemical maintenance plan. If so, simply repeat
step once a week. (Weekly dosages do not generally require additional filtration time.)
Water is very foamy

Possible Causes:
Foamy water is the product of body oils reacting with the natural alkalinity of the water. High bather load and
prolonged bathing sessions can add to the magnitude of the problem.

Soft water actually increases the foaming problem and high pH increases the soap formation. Do not use soft
water in a spa.

Very hard water, on the other hand, can result in soap scum formation. Adding anti-foam will temporarily
eliminate the foam.

Good sanitation requires that all foam be eliminated from time to time. Adding an enzyme treatment periodically
can help digest the body oils and reduce the soap formation.

The presence of an ozonator can help destroy the body oils over a period of time and it turn can lessen the
foaming. It would be a very worthwhile addition, if you don’t have one.

Having burnt-out chemicals, bacteria, and other organic waste in a spa can cause water to have an odor. This
can be prevented by using one ounce of oxidizer shock per week.

Prevention and Treatment
Spa water will not clean or clear-up overnight. Cloudy water requires proper identification, the correct
treatment, and plenty of filtration.
1. Identify the water clarity issue first: is it soap, oil, bacterial, or chemical imbalance?
2. Select the proper treatment.
3. Clean the filter cartridge and increase the amount of filtration until the water clears-up.
4. Add 1 oz. of Oxidizer shock at a time, in 30 minute intervals, with the spa cover at least half off with all the jet
on high speed.
Water is harsh / caustic (causes skin reactions or rash)

Possible Causes
You are not using your Oxidizer Shock enough and/or your sanitizer level is too high. Because the spa and its
chemicals will strip some of your bodies oils away we recommend that you use moisturizer after spa use. If you
continue to experience skin irritation, please see your doctor.
It may be caused by improper pH or total alkalinity levels. Test all chemical levels and make the appropriate
If eye irritation is a problem, check for low sanitizer levels or excess ‘combined chlorine.’ Test all chemical levels
with an accurate test kit and make the appropriate adjustments. Shock the spa water
Spa shell has calcium build-up
This is caused by to high calcium level in the water. Hard water contains calcium, which is necessary to prevent
foamy water, but too much calcium may tend to build up on the shell.

Reduce the calcium level in the water to between 100 and 200 ppm. Use Stain and Scale Prevention.
Spa has debris on spa floor
The debris at the bottom of the spa are oxidized solids that were in the water and are now visible.
Simply vacuum them out as part of your weekly plan
Issues Covered in this Section:
Cloudy Water                                Calcium Build-Up
Oily Water                                      Floor Debris
Foamy Water                                 Algae Growth
Harsh Water                                  Alkalinity
Spa has algae growth
Algae growth may be the result of low sanitizer levels. Shock the spa’s water. Brush the spa walls. Run the filter
for a 24-hour period to increase distribution of sanitizer and add spa algaecide.
High pH and low alkalinity
Adjust alkalinity first, even if it continues to throw off the pH. Use pH / Alkalinity Up or pH / Alkalinity Down” to
adjust and stabilize the total alkalinity Level. This will make it easier to adjust the pH levels later and allow them
to remain stable longer
Information in this website is provided by Certified Spa
Technicians and is general information on the Repair and
Care of your Spa or Hot tub.

Spa Parts 123 is not responsible for information obtained
from this website.

If you have more specific needs we recommend you
contact a Certified Spa Technician

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