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Top 5 List of Strange Things that Affect Your Pool Water

By Glen Bains

If you’re having water trouble and can’t figure it out, here are a few extraordinary things you might check: 

  1. Don’t assume tap water is good water for a pool. The typical hardness in tap water is as high as 1000 ppm — 700 ppm above the high end of the maximum concentration. 
  2. The circulation time required to keep a pool clean and clear is normally 10 hours a day. This varies due to bather load, water temperature, wind, rain, sunlight and pool chemistry itself. 
  3. Some pool chemicals actually contain minerals that can add to a calcium problem. 
  4. There’s been plenty of talk and about removing phosphates from pool water. In truth, phosphates do not consume chlorine and do not combine with chlorine. Rather, Phosphates promote the growth of algae (the green, slippery stuff in a pool) which then consumes all the chlorine as the chlorine tries to destroy the algae. The net result is that you can be left with less than the desirable amount of chlorine in your pool. 
  5. In a salt chlorinated pool, UV light will speed up the conversion of chlorine back to salt. A chlorine stabilizer (sort of like sun block) will dramatically slow down this conversion keeping more chlorine available for a longer time. Without this proper protection, the life span of the chlorine is greatly reduced. 

Remember: Clear water doesn’t mean good water, but good water will be clear. 

If you need help with your pool please contact Costa Rica Pools at 506-2777-1700 or 506-2643-3227 , or by email at costaricapools@hotmail.com or  www.costaricaswimmingpools.com

Costa Rica Pools & Construction


What Causes the Different Colored Stains in My Pool?

 By Glen Bains 

Minerals and other substances find their way into every pool. Iron, calcium and copper exist naturally in source water, and can be prevalent in well water. While other materials can stain plaster and vinyl just as easily – sources include organic matter such as leaves, and excessive oxidizer – dissolved minerals remain one of the most common staining culprits. In an ideal world, pools would never suffer from stains because their perfect water balance would hold metals in solution all the time. In reality, though, pH and alkalinity can drift and calcium levels can climb, leading minerals to fall out of solution, or precipitate, and stain. The key is maintaining a good chemical balance to avoid the ups and downs, but sometimes change is impossible to avoid. To combat this problem, try to keep your chemicals balanced at all times but in between our service calls, change can occur. 

The following is a list of minerals and the color of their stain:

  • Calcium – usually white crystals adhering to the pool plaster.
  • Cobalt – fiberglass shells – red, blue, gray and black.
  • Copper – Blue, green, black, teal and dark red.
  • Iron – Dark red, brown, black, gray and green.
  • Manganese – Pink, red and black.

Many of these stains can be removed with acid washing the pool plaster or stained area. Success really depends on how deep the stain goes, as acid washing removes a small amount of plaster, grout or cement. 

If you need help with your pool please contact Costa Rica Pools at 506-2777-1700 or 506-2643-3227 , or by email at costaricapools@hotmail.com or  www.costaricaswimmingpools.com

Costa Rica Pools & Construction


Pool Filters 101

 By Glen Bains

 Think of the pool filter as your liver….it filters all the bad elements out. When you don’t have the correct size (undersized) or choose the wrong type you will always have issues keeping your pool clean. Sand filters are good and are by far the most commonly used type of filter here in Costa Rica but there are better filters available here in Costa Rica. There are three types of pool filters, sand, cartridge and D.E. (which stands for Diatomaceous Earth).

Costa Rica Pools & Construction

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Chlorine in your Swimming Pool

By Glen Bain- Costa Rica Pools

I have been asked by several people over the years….What is the best way to put chlorine into my pool? Well if you have ever wondered what the best ways are to add chlorine to your pool here are a few tips….

  1. Pool Filter should run at least 8 to 10 hours per day ideally you want all the pool water to run through the filter at least one time per day. Set your pool timer or remember to run the pool manually if you don’t have a timer. It is best to run the system during the daylight hours (instead of night) but always run it when people are using the pool. 

    Costa Rica Pools & Construction

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