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All Blog Posts (632)

The LSI is Reliable

Using the Langelier Saturation Index as a guide for maintaining proper pool water balance and to protect pool plaster has become a mainstay in our industry, and we believe, for good reason.

We at onBalance have conducted several LSI experiments and have determined that maintaining a balanced LSI (-0.3 to +0.5) helps prevents scaling and prevent the etching of plaster finishes.

However, one plaster industry leader suggests that even when pool water is LSI balanced, if the…

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Added by Kim Skinner on October 12, 2018 at 3:36pm — No Comments

How Long Do Pool Filter Cartridges Last? A Complete Guide

Is it Time to Clean or Replace your Pool Filter Cartridges? Find out now.

Nothing brings joy to pool owners’ as much as crystal clear waters on a hot summer day. Yes, pool owners are obsessed with the clarity and purity of the water in their pools (and they very well should be).…

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Added by Poo Filters on September 28, 2018 at 3:14am — No Comments

Aqua Genie

I have a real old Aqua Genie skimmer with a control valve.

My issue is there is no plumbing schematics detailing how to connect the feed inside the skimmer through the control assembly and into the bottom of the hopper.  If anyone knows where I can fins a schematic I woulod appreciate it.  I've called everyone online and checked out most pool and aqua genie web sites...…

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Added by David Robbins on August 18, 2018 at 7:33am — No Comments

Pool Start-up Alternative for Plaster Pools

Orenda Technologies has recently unveiled a new start-up program that prevents the formation of plaster dust by adding calcium (calcium chloride) to low calcium tap water while filling brand-new plaster pools. We have received communications asking us if this calcium program is compatible with, or a viable alternative to the Bicarbonate Start-up Method that also prevents plaster dust.

The Orenda start-up program can, in certain situations, be an effective alternative to the Bicarb…

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Added by Kim Skinner on July 5, 2018 at 11:15am — 1 Comment

How to Obtain a Quality Pool Plaster Finish

For pool builders, remodeling companies, and pool plasterers that want the best chance to obtain a quality and discoloration-free pool plaster finish (including white, color, and quartz aggregate pools), the link below is to an article in WaterShapes (a pool industry publication) that explains the preparations, workmanship, and practices to follow. 

Consider performing personal supervision on the entire process to ensure good results.…

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Added by Kim Skinner on April 14, 2018 at 9:05am — 1 Comment

low temp gunite curing

At what temp is wet down of curing gunite not neccessary?

Added by David Jamieson on April 13, 2018 at 3:55am — No Comments

How the Pool Stores compete with the Online World

During my visits to the Pool Stores, talking to Pool Store Owners & Store Managers, it is easy to perceive their concern around Online Sites competition. In a social media world and with the accelerated growth of e-Business, it is a valid concern, but instead let’s focus on understanding how the pool…

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Added by HAROLDO J LEVEL, on February 5, 2018 at 10:21am — No Comments

Cloudy Pool Water

To have crystal clear water is the ultimate desire of any swimming pool owner.

When your pool water becomes cloudy, not only does it looks less inviting but you could run the risk of exposing you and your family to an unwanted health hazard.

There are several causes for cloudy pool water. 

Let’s talk about your pool's exposure to the environment and how it can be cleaned continuously…

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Added by HAROLDO J LEVEL, on February 5, 2018 at 10:00am — 1 Comment

Cal Poly Plaster Study Conclusions Shown to be Incorrect

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 Obispo. In these studies, the researchers concluded that aggressive water conditions were the cause of “spot etching” and other plaster surface defects. The conclusions, and the quality of the research, have long been contested within the industry,…

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Added by Kim Skinner on December 6, 2017 at 10:18am — 1 Comment

The Future for pH and Chlorine Standards

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 (CYA), and the pH range will be broadened beyond the current limited range of 7.2 to 7.8. The reason for this change is due to a new understanding of the science of stabilized pool water.

Some years ago, Richard Falk (known as Chemgeek on pool…

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Added by Kim Skinner on December 4, 2017 at 12:28pm — 7 Comments

Announcement of Pool Plaster Study

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 discoloration of white plaster, white spotting of both colored and white plaster, calcium nodules, spalling, flaking, and craze-cracking.

One aspect of the study will be to construct two demonstration pools, each with sections of various…

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Added by Kim Skinner on March 23, 2017 at 3:29pm — No Comments

Residential Water Quality Standard

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 not.

I want to understand why the APSP, an association that is supposed to be “dedicated to the growth and development of its members businesses,” would propose a residential pool water chemistry standard.

There are so many reasons that this is…

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Added by Ken Scott on November 30, 2016 at 6:10pm — 2 Comments

The Reality of Pool Chemical Treatment

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 bacteria and algae developing with weekly treatment programs.

Also, pool service companies provide a great service by keeping hazardous chemicals out of the hands of pool owners and their children.

One reason that pools can be kept…

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Added by Kim Skinner on November 29, 2016 at 1:34pm — 4 Comments

Register To Exhibit Today - Pool Spa Patio Expo



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Added by PGN Admin on September 15, 2016 at 9:40am — No Comments

What Alkalinity is Best for Pools?

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 sometimes is best for some pools.

Another misconception regarding pool water maintenance involves the recommended “Ideal” alkalinity range of 80 to 120 ppm. While that may be a good range for some pool situations, it is not necessarily the best when…

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Added by Kim Skinner on September 13, 2016 at 3:33pm — No Comments

Just starting out-any advice would be great

My husband and I are in our infancy of getting a pool cleaning business up and running. We live in Central Florida where I'd say 85-90 percent of the pools are screen enclosed. What is a decent mid range pool vacuum for us to use? We don't want to spend a ton of money til we see how we do. Also any advice or suggestions are welcomed. Thank you!

Added by Tamara Tamblyn on August 27, 2016 at 1:55pm — 2 Comments

What pH is Best for Pools?

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, and is left alone and untreated by additional chemicals, the pH will rise to 8.0, and sometimes as high as 8.4 and stay there until chemically treated again. 

What does this mean?  It means that thousands upon thousands of residential pools are…

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Added by Kim Skinner on August 3, 2016 at 9:42am — 3 Comments

Curtis Seal Super Bond

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 are 10 years (meaning the surface) and they have no stains. 

We don't always have to take the old plaster off, if it is in good shape we  can go right over the old plaster.  If it is peeling and blistering we can sand blast it or chip.I don't…

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Added by CURTIS ROBINSON on July 28, 2016 at 1:19pm — No Comments

14 Easy To Avoid Mistakes for Your Website SEO

Dear Pool Genius Network Member,

Join us for a powerful business building webinar!

14 Easy To Avoid Critical Mistakes for Your Website SEO 

Wednesday -  Jul 13, 2016 9:00 AM PDT - 12:00 Noon Eastern…



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Added by PGN Admin on July 12, 2016 at 9:31pm — No Comments

A Solid Requirement

Just got my latest SIN and was really surprised by the satement that APSP made about the latest ANSI Standard they are working on.

Why would they worry about a solid requirement for water quality when the one that they got approved for plastering was FAR from "solid"!

Whats the deal?

Added by Ken Scott on July 5, 2016 at 6:30pm — 1 Comment

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The LSI is Reliable

Using the Langelier Saturation Index as a guide for maintaining proper pool water balance and to…See More
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