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October 2014 Blog Posts (1)

IT IS TIME TO SEPARATE PLASTER FACT FROM FICTION, AND REALITY FROM THEORY Part 1

FACT and REALITY

Longstanding cement and concrete science has established that calcium chloride-in acceptable quantities-is a primary cause of discoloration in cementitious surfaces, particularly when steel troweled. Further, the Portland Cement Association research performed in 1966 described that when the ratio of cement alkalis to chlorides was low, a light spotting discoloration on a darker background resulted. The white cement used in swimming pool surfaces is a…

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Added by Douglas Latta on October 9, 2014 at 9:51am — No Comments

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John replied to HAROLDO J LEVEL,'s discussion Do you think Automatic pool Skimmers solve a valuable problem?
"The skimmer cleans the surface in 15 mins, if you stop it more dirt arrives so in order for it to…"
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HAROLDO J LEVEL, replied to HAROLDO J LEVEL,'s discussion Do you think Automatic pool Skimmers solve a valuable problem?
"Using Automatic Pool Skimmers that moves with the bottom cleaner reduce the amount of time pool…"
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John replied to HAROLDO J LEVEL,'s discussion Do you think Automatic pool Skimmers solve a valuable problem?
"The biggest problem is that people switch off their filtration systems, some only run for 4-6 hours…"
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Thomas Jarvis commented on Kim Skinner's blog post Total Dissolved Solids (TDS) Chemistry
"RIchard  thank you so much for you invaluable input! I will look into the calcium chloride to…"
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Richard A. Falk commented on Kim Skinner's blog post Total Dissolved Solids (TDS) Chemistry
"You can increase your Calcium Hardness (CH) by adding calcium chloride to help balancer the…"
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Thomas Jarvis commented on Kim Skinner's blog post Total Dissolved Solids (TDS) Chemistry
"Richard - Thank you so much for the concise reply!  I work at a facility that has 6 pools…"
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Richard A. Falk commented on Kim Skinner's blog post Total Dissolved Solids (TDS) Chemistry
"Thomas, You are facing the acid/bicarb cycle that is well-known.  Basically, you have carbon…"
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Thomas Jarvis commented on Kim Skinner's blog post Total Dissolved Solids (TDS) Chemistry
"Hello! I am a relatively new CPO charged with two of the older tile pools at the Holland Aquatic…"
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