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Beginning in 2004, a series of plaster research studies were released by the National Plasterers Council (NPC), which they instigated and financially supported, and which were undertaken by the California Polytechnic State University in San Louis…Continue
Posted by Kim Skinner on December 6, 2017 at 10:18am
It appears that the pool industry’s long-time recommended parameters for chlorine and pH levels will be changing in the near future.
The current range of 1 to 4 ppm for chlorine will likely be raised when pool water contains cyanuric acid…Continue
The research and consulting group onBalance has decided to conduct new plaster research studies to generate additional evidence regarding the cause of unsightly plaster discolorations and defects. The plaster issues of concern are gray mottling…Continue
Posted by Kim Skinner on March 23, 2017 at 3:29pm
After a few months of beating my head against the wall, I could not stand it anymore. So I wrote a letter to anyone that would listen. Not many did, but a big thanks to Service Industry News. Maybe we can get some answers, maybe…Continue
For at least 40 years, many pool service companies have been successfully maintaining their residential pools on a once-a-week visitation basis. Empirical evidence has shown that pool water can be kept safe and properly sanitized without harmful…Continue
It is amazing how incorrect information gets started, and gains traction despite being wrong, and not based on science. For example, contrary to some pool literature and manuals, it has been shown that a pH of 8.0 to 8.4 is workable, and…Continue
Posted by Kim Skinner on September 13, 2016 at 3:33pm
Experienced service techs know that the pH in many of their pools generally rises above 7.8 within four to seven days following chemical treatments. It is a chemistry reality that when water contains 80 ppm to 120 ppm of carbonate alkalinity,…Continue
My product has never had a call back. We don't have the calcium nodules and we don't have the streaking in the plaster; We have done 2 pools with color plaster and the color is still in the plaster and this was done in 2010. We have pools that…Continue
Posted by CURTIS ROBINSON on July 28, 2016 at 1:19pm