As the owner of a newly plastered pool, you may have some questions about the care required to properly maintain the new surface. The following suggestions and pointers will help inform you about special areas of concern. Please remember that these are "generic" tips for specific instructions. It is always best to consult your builder, plasterer or service professional.
Filling Your Pool
The hose is placed at the bottom of the pool with a clean soft cloth wrapped around the end to diffuse the water entering the pool. The water must be left running until the pool is full and the water level is halfway up the skimmer opening. If more than once house is used, additional hoses should be placed on the deck and weighted down so that the water will project into the deep end of the pool. Additional hoses should only be turned on once the pool contains 3 to 4 feet of water, with the volume adjusted so that the water does not contact plaster, only the center of the water in the deep end of the pool. Be careful that the water is not introduced in a manner that can damage plaster. Do not use the fill line to fill the pool. Do not fill the pool using a softened water.
The Start-Up Of New Plaster
There are several approaches to initial start-up. The main objectives are to balance pH, total alkalinity and hardness levels, and to remove the plaster scale (dust) created by fresh plaster and water. Questions regarding Start-Up should be directed to the builder, plasterer, or service technician. The Start-Up procedure plays a critical role in the cosmetic appearance of the plaster surface in the years to come. Consult your builder, plasterer or service company regarding special brushing needs during the first month of new plaster.
Basic Tools Needed To Maintain The Pool
A basic set or equipment for the pool owner includes an extendable pole, nylon brush, skimmer net, vacuum hose, brush-style vacuum head, and a 4-way test it. A roller-vacuum head may be used after the first month.
Tips To Help you Through The Seasons
Your Pool care will change depending upon the season of the year. You will find that during the summer season, your chemical usage will increase due to evaporation, greater sunlight, increase in water temperature and pool usage. During periods of high winds, your plaster may need to be brushed more frequently to prevent dirt from adhearing to the surface. In the rainy season, you may need to lower the water in your pool to maintain the proper level (halfway up the skimmer opening). Do not allow pool to overflow.
Care Of The Plaster Surface
The surface of your pool is constantly changing, 24 hours a day, 7 days a week. Many factors contribute to these changes, including the water hardness, heat, evaporation, treatment, maintenance, usage, and the composition and curing characteristics of the plaster itself. In time, the cosmetic appearance of the plaster will gradually change as a result of these naturally occurring factors. There are some procedures that can be helpful in minimizing these effects. Please consider the following section on preventative maintenance for better plaster care.
The brushing of your pool is an important plaster maintenance procedure. Brushing will help keep the surface smooth and free of debris, as well as help prevent metals and minerals from adhering to the surface. Whether you have a pool service of an automatic pool cleaning device, the owner should be sure to thoroughly bush the pool at least every other week.
The pool owner should test the pool water for pH, alkalinity and disinfectant levels before adding chemicals. At least twice per year have your pool water tested for calcium hardness, total hardness, and dissolved solids. In areas of high water hardness, evaporation, high usage, or other unique chemical factors, it would be advisable to perform these more frequently,even monthly. Consult your builder, plasterer or service professional regarding specific recommended testing frequency for your local area. If possible, have copper and iron level checked as well.
The regular use of preventive type chemicals can greatly reduce the staining effects of the dissolved minerals in your pool water. Follow manufacturer's directions or refer to your pool professional for proper dosages for your pool.
Proper filtration is important to the upkeep of your plaster and your pool. Your pool should be filtered daily to insure the removal of dirt and debris as well as to provide adequate circulation. Never allow dirt and debris to remain undisturbed for long periods of time as this will promote discoloration or staining.
NOTE: It would be helpful to mark down your filter's clean operating pressure so that you can easily determine when cleaning is necessary. Generally speaking, the filter will require back washing or cleaning when the pressure is 5-12 pounds over the initial clean starting pressure. This will vary from filter to filter, depending on the type and model. Check the manufacturer's recommendation for your specific brand and model of filter.
Water Chemistry And Your Plaster
Water normally contains many dissolved minerals and metals. When water evaporates, only distilled (pure) water is lost, and all the dissolved minerals and metals are left behind. The eventual buildup of this material in your pool water adds to the water hardness. Calcium is one of the key elements found in both your pool water and plaster. If exists in equilibrium: if the water is too high in calcium, it can precipitate onto surfaces as "scale". If the water does not contain enough calcium, it can actually draw it out (etch) from the plaster itself. In essence, a certain amount of calcium is necessary in pool water-too much or too little will likely cause problems. Imbalances in pH and alkalinity can also play a role in these problems. Be extremely careful when adding chemicals to your pool as some chemicals can blech or burn the finish if allowed to settle on the surface. Scaling or corrosive conditions can be reduced by monitoring and maintaining proper chemical balance.
Regular Pool Treatment
When you sanitize your pool, you are primarily treating the organic (living) materials in the water, and adjusting the pH and alkalinity to compensate for changes the sanitizing agent may have had upon them. Water used to fill your pool can also affect pool water balance, and may require treatment. Regular pool treatment does not reduce the amount of dissolved minerals and other elements in the water. If your pool water test high in dissolved minerals or calcium hardness, you should consider using stain preventative chemicals. In time you may need to drain and refill your pool when the level of dissolved minerals and hardness becomes excessive.
Local Water Conditions
Local water conditions will play an important role in your pool and plaster chemistry, as they differ greatly from area to area and even from day to day. You may want to consider having the water analyzed from the tap you used to fill your pool in order to check its chemical makeup.
Alkalinity is an often neglected aspect of pool care. Proper control of your water alkalinity is essential to stabilize your pH. This will insure that effectiveness of your sanitizer and that your pool water does not go through drastic pH changes. Contact your builder, plasterer or service professional for suggested levels based on the sanitizer and local water conditions.
Note: Colored Plaster Pool naturally occurring mottling is more evident in colored plaster pools. Since the scale that forms on plaster is white, colored pools may require different care than white plaster pools. Strategies to deal with colored plaster can include chelation, sequestering or calcium reduction. Please consult your builder, plasterer or service professional for more information.
In choosing a professional pool maintenance company for regular service, be sure the service professional is properly trained and licensed as required. A qualified pool service company will make all the difference when it comes to helping you care for your investment, but remember, even the best pool service cannot be at the pool side all the time. You should brush your pool regularly, and you may need to occasionally skim debris or add chemicals. Contact your service professional if you have any questions about your pool's addition maintenance needs.
Contact your builder, plasterer, or service professional immediately if you encounter any problems with your pool plaster or water chemistry.
This information brochure has been produced as a cooperative effort by the National Plasterers Council, The National Association of Gas Chlorinators, The Swimming Pool Trades and Contractor Association and The Independent Pool & Spa Service Association. For additional copies, contact the National Plasterers Council at 30575 Trabuco Canyon Drive Suite 104, Trabuco Canyon, CA 92678
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