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swimming pool question


chrisandnick

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I have heard that the water is changed, but I'm not for sure. I have only sailed to warm climates, so none of the ships I've been on have had heated pools...there are hot tubs though. Also, the pools are usually filtered saltwater, though I didn't even notice that until after several days on my first cruise!

 

What ship are you going on?

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If you have a ship with salt-water pools, they do change out the water every day or so. They are "solar" heated---by the sun!

On ships with chlorinated water, the water is NOT changed--it's treated. Most ships rely on the sun to heat the shallow pools.

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I'd swim in a ship's pool whether salt or freshwater (filtered or treated) any day...think about the oceans...all the crap that gets dropped or pumped into them everyday...never hear many people complaining about whether that water is filtered or treated or not when they are splashing about at the beach....

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Every ship I have been on drained the pools in the evening.....actually a little earlier than I would prefer. I always enjoy a late night dip after dinner in the peace and quiet and would rather stay away during the days when it is packed.

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I found the following on the internet. It may be of interest to some.

 

 

 

CDC Safety Regulations for

Cruise Ship Swimming Pools and Spas

At Sea

Flow-through seawater supply systems for swimming pools shall be used only while the

vessel is under way and at sea beyond 20 kilometers (12 miles) from nearest land.

In Port

The pool shall be drained before the vessel reaches port, and it shall remain empty while

in port.

If the pool is not drained before arriving in port, the pool’s seawater filling system shall

be shut off 20 kilometers (12 miles) before reaching land, and a recirculation system shall

be used with appropriate filtering and halogenation.

No bathers shall be allowed to use the pool before a free residual halogen of 1.0 mg/L

(ppm) is achieved.

Recirculating Swimming Pools

Filters

Recirculated swimming pool water shall be filtered.

Filter pressure differential shall be monitored, and the filter shall be backwashed as

recommended by the manufacturer.

Filter media shall be examined and changed as recommended by the manufacturer.

Swimming pool filter pressure gauges and valves shall be replaced when they are

defective.

The operating manuals for all recirculating swimming pool components such as filters,

pumps, and halogenation shall be maintained aboard the vessel in a location that is

known by and is accessible to crew members who are responsible for the pool’s

operations and maintenance.

Water Quality

The recirculated swimming pool’s water flow rates, pH, alkalinity, and clarity shall be

monitored and adjusted as recommended by the manufacturer and to maintain optimum

public health protection.

A fecal accident response procedure shall be documented and available for review during

inspections.

Halogenation

A free residual halogen of $1.0 and #3.0 mg/L (ppm) shall be maintained in recirculated

swimming pools.

Halogenation systems shall be operated and maintained in good repair in accordance with

the manufacturer’s recommendations.

Residual Halogen Monitoring

A halogen test kit shall be provided and used.

Residual halogen logs shall be maintained with residuals measured and recorded every 4

hours during operation.

Halogen analyzer-chart recorders used in lieu of manual tests, and logs shall be calibrated

daily, and the calibration shall be recorded on the chart or in a log book.

Electronic data loggers with certified data security features may be used in lieu of chart

recorders.

Halogen analyzer-chart recorder charts shall be initialed, dated, and changed daily.

Logs and charts shall contain notations of any unusual water events with the swimming

pool operation and corrective actions taken.

Logs and charts shall be retained for at least 12 months and shall be available to the VSP

for review during inspections.

Whirlpool Spas; Public Operations

Filters

Whirlpool spa water shall be filtered.

At least one replacement cartridge or canister-type filter shall be available at all times for

whirlpool spa filtration systems that use this type of filter.

Cartridge or canister-type filters shall be inspected at least weekly for cracks, breaks,

damaged components, and excessive organic material accumulation.

Granular filters shall be backwashed at least daily until the sight glass indicates a clean

flow. The uniformity of the backwash action shall be observed, where possible.

Other types of filter media shall be backwashed or cleaned at the frequency specified by

the manufacturer.

The granular filters shall be opened at least monthly and examined for cracks, mounds, or

holes in the filter media.

A core sample of the filter media shall be inspected for excessive organic material

accumulation using a recommended sedimentation method.

The granular filter media shall be replaced at least every 6 months. The filter housing

shall be cleaned and sanitized before the new filter media is placed in it.

Whirlpool spa filter pressure gauges and valves shall be replaced when they are defective.

The operating manuals for all whirlpool spa components shall be maintained aboard the

vessel.

Water Quality

The whirlpool spa water shall be changed daily.

The whirlpool spa water shall be maintained with a pH between 7.2 and 7.8.

A fecal accident response procedure shall be documented and available to the VSP for

review during inspections.

Halogenation

Whirlpool spas shall maintain a free residual chlorine of $3.0 mg/L (ppm) and #10 mg/L

(ppm), or a free residual bromine of $4.0 mg/L (ppm) and #10 mg/L (ppm).

The free residual halogen shall be increased to at least 10.0 mg/L (ppm) in whirlpool spas

and circulated for at least 1 hour at the end of each day.

Halogenation systems shall be operated and maintained in good repair in accordance with

the manufacturer’s recommendations.

Residual Halogen Monitoring

A halogen test kit shall be provided and used.

Residual halogen logs shall be maintained with residuals measured and recorded hourly

during operation.

Halogen analyzer-chart recorders used in lieu of manual tests and logs shall be calibrated

daily, and the calibration shall be recorded on the chart or in a log book.

Electronic data loggers with certified data security features may be used in lieu of chart

recorders.

Halogen analyzer-chart recorder charts shall be initialed, dated and changed daily.

Logs and charts shall contain notations of any unusual water events with the whirlpool

spas and corrective actions taken.

Logs and charts shall be retained for at least 12 months.

Whirlpool Spas; Private Cabin Operations

Maintenance

Private whirlpool spas located in individual passenger cabins shall be cleaned and

disinfected, including associated recirculation systems, between occupancies or weekly,

whichever is more frequent.

Manufacturer’s operation and maintenance instructions shall be available to personnel

that service the units.

Individual Hydrotherapy Pools

Maintenance

Individual hydrotherapy pools shall be cleaned and disinfected, including associated

recirculation systems, between occupancies.

Manufacturer’s operation and maintenance instructions shall be available to personnel

that service the units.

Safety; Public Swimming Pools and Whirlpool Spas

Signs and Markings

Safety signs shall be provided for public swimming pools and whirlpool spas.

Depth markers shall be installed for every 1 m (3 feet) in change of depth and shall be

displayed prominently so they can be seen from the deck and from in the pool.

A sign shall be installed near the whirlpool spas that lists standard safety precautions and

risks, warning against use by particularly susceptible people, such as those who are

immunocompromised.

Equipment

Easy access shepherd’s hook and approved floatation device shall be provided at a

prominent location near each public swimming pool.

Anti-vortex drain covers shall be provided on swimming pools and whirlpool spas.

A temperature control mechanism to prevent the temperature from exceeding 40°C

(104°F) shall be provided on whirlpool spas.

Restrictions

Children in diapers or who are not toilet trained are not permitted in the public swimming

pools and whirlpool spas.

 

Pearl

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On Princess, the pools are not emptied at night. They are chlorinated fresh water pools, and I have observed that the pool attendants test the water every day (in both pools and the spas). Sometimes the pools/spas are closed for several hours if it is necessary to add chemicals to the water, just as people with backyard pools have to do from time to time.

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