How Soon Can You Swim After Plastering Pool


In this article, we will provide guidelines on when it is safe to swim after plastering a pool. Plastering a pool is an important process that helps maintain the integrity and appearance of the pool surface. It involves several steps, including surface preparation, application of plaster, and curing time. Allowing the plaster to cure properly before swimming is crucial for ensuring its durability and longevity.

Understanding the Plastering Process

Plastering a pool requires careful attention to detail in order to achieve a smooth and durable finish. The process starts with surface preparation, which involves cleaning the entire pool surface and repairing any cracks or damage. Once the surface is ready, the plaster material can be applied using specialized tools.

Different types of pool plaster are commonly used, each with their own curing characteristics. White plaster is one of the most popular choices due to its classic look and versatility. Colored plasters offer more design options but may have different curing times compared to white plasters. Some homeowners also opt for pebble finishes that add texture and visual interest to their pools.

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Curing time plays a crucial role in ensuring that the plaster fully sets and bonds with the underlying structure of the pool walls and floor. This period allows any moisture within the mixture to evaporate gradually while strengthening its overall composition.

Factors Affecting Curing Time

Several factors can affect how long it takes for your newly-plastered pool to cure completely:

Temperature and Weather Conditions

Temperature plays a significant role in determining how quickly or slowly your new plaster will cure. Generally speaking, warmer temperatures promote faster curing times while cooler temperatures slow down this process.

Extreme weather conditions such as high humidity or excessive heat can also impact curing time negatively by introducing excess moisture into or accelerating evaporation from your newly-plastered surfaces respectively.

Type of Plaster Used

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The type of plaster you choose for your swimming pools influences both aesthetic appeal as well as curing time. Different types of plaster have varying curing times, so it’s essential to check with the manufacturer or your pool contractor for specific recommendations.

Recommended Waiting Periods

To ensure that your newly-plastered pool is safe for swimming, it is crucial to follow recommended waiting periods after plastering:

Initial Filling and Curing Period

After the plaster has been applied, it is important to fill the entire pool with water before starting the curing process. This allows proper hydration of the plaster material and prevents cracks from forming.

A general guideline for initial curing period ranges between 7-10 days. During this time, you should avoid any activity in or around the pool that could disturb or damage the freshly-applied plaster.

Water Chemistry and Balance

Maintaining proper water chemistry during the curing process is vital for ensuring optimal conditions for your new plaster. It helps prevent issues such as discoloration, rough patches, or even premature deterioration.

Before allowing swimming in your newly-plastered pool, test and adjust water chemistry according to recommended guidelines provided by professionals or manufacturers. This typically involves testing pH levels (between 7.2-7.8) and total alkalinity levels.

Final Curing Period

After completing the initial cure period mentioned above; an extended final cure period ensures full strength development within all layers of fresh Pool Plaster Finish surface materials over a consistent temperature range without interruption.

For most pools following industry-standard practices: A minimum of 28 days (approximately four weeks) serves as a standard waiting period before you can safely swim again in your newly-plastered pool.

Signs of Properly Cured Plaster

Once your freshly-plastered pool has gone through its designated waiting periods mentioned earlier; several signs will indicate that it has cured properly:

Visual Cues

Properly cured plaster should have a smooth texture and uniform color across its entire surface area based on its specific color combination. Any signs of discoloration, rough patches, or unusual texture may indicate improper curing or other underlying issues that require further investigation.

Water Chemistry Testing

Testing the water chemistry regularly is crucial to ensure that it is within the recommended range for swimming. Proper water balance parameters help prevent issues such as scaling, staining, and algae growth.

Precautions and Maintenance

Taking proper precautions before swimming in your newly-plastered pool can help maintain its appearance and longevity:

Precautions Before Swimming

During the initial curing period mentioned earlier (7-10 days), it’s important to avoid jumping or diving into the pool as this could cause damage to the fresh plaster surface. Additionally, using a pool cover or limiting pool usage during this time helps minimize debris accumulation on the plaster.

Ongoing Maintenance

Proper maintenance is essential for preserving both your newly-plastered pool’s appearance and functionality over time. Regular cleaning and chemical balancing are necessary to keep your pool safe and enjoyable.

Tips for maintaining your freshly-plastered pool include regular brushing with non-abrasive tools, avoiding harsh cleaning agents that can damage the plaster surface, properly cleaning filters to maintain good water circulation, utilizing an automatic cleaner if applicable; as well as monitoring chemicals levels regularly.


Q: How long does it take for a freshly plastered pool to cure?

A: The initial curing period typically ranges between 7-10 days. Afterward, an additional final curing period of approximately 28 days is recommended before swimming in a newly-plastered pool.

Q: Can I swim in my new plastered pool right after filling it with water?

A: No – you should wait until after completing both initial filling/curing periods mentioned earlier (approximately 7-10 days) followed by a final extended curing period (approximately 28 days).

Q: What signs indicate that my freshly-plastered pools have cured properly?

A: Properly cured plaster should have a smooth texture and uniform color across its entire surface. Any signs of discoloration, rough patches, or unusual texture may indicate improper curing or other underlying issues.

Q: How often should I test the water chemistry in my newly-plastered pool?

A: It is recommended to test and adjust water chemistry regularly according to guidelines provided by professionals or manufacturers. This helps ensure optimal conditions for your new plaster and prevents issues such as scaling, staining, or algae growth.

Q: What precautions should I take before swimming in my freshly-plastered pool?

A: During the initial curing period (7-10 days), avoid jumping or diving into the pool as this could cause damage to the fresh plaster surface. Using a pool cover or limiting usage during this time also minimizes debris accumulation on the plaster.


In conclusion, allowing your newly-plastered pool sufficient time to cure properly is crucial for ensuring its durability and longevity. Following recommended waiting periods and maintenance guidelines will help you enjoy a safe and enjoyable swimming experience while preserving the appearance of your beautiful new pool.


  • Plaster dust: Fine particles of plaster that can be present in the pool water after the plastering process.
  • Chlorine: A chemical used to sanitize and disinfect pool water, killing bacteria and preventing algae growth.
  • Pool water: The water contained within a swimming pool.
  • Calcium: A mineral that can be found in pool water, often measured as calcium hardness levels. High levels of calcium can lead to scaling on pool surfaces.
  • Procedure: The step-by-step process or method followed for a particular task, such as swimming after plastering a pool.
  • Hoses: Flexible tubes used to transport water from one location to another, often used during the filling or draining of pools.
  • Colors: Different shades or hues that may be available for colored plaster finishes in pools.
  • Muriatic acid: A strong acid commonly used for adjusting pH levels and cleaning certain types of stains on pool surfaces.
  • Pool surfaces: The various materials (such as plaster, tile, or aggregate) that make up the walls and floor of a swimming pool.

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Mike Hunter

Mike is the owner of the local pool shop. He's been in the business for over 20 years and knows everything there is to know about pools. He's always happy to help his customers with whatever they need, whether it's advice on pool maintenance or choosing the right chemicals. He's also a bit of a pool expert, and is always happy to share his knowledge with anyone who's interested.

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