The Acid Column Myth

– The following article is from Kim Skinner — part of the research team of onBalance.  I received this via email from Kim a few days ago.  Enjoy. __________________________________________________________________________ By Kim Skinner. Although onBalance debunked the Acid Column Myth in the Journal of the Swimming Pool and Spa Industry many years ago, we still regularly get asked in our trade show chemistry classes about its […]

The Acid Column Myth

Manually Adding Chemicals to the Pool

  Chapter 9 of our Pool & Spa Operator™Handbook is all about adding chemicals to the swimming pool; using automated controllers/feeders or adding them manually. Before you even approach a pool with chemicals, you need to know what each and every one  is going to do to the pool water balance.  And you need to know the potential hazards and what to do when an accident occurs; the […]

Manually Adding Chemicals to the Pool

Pool Water Balance

What is balanced pool water? Balanced water is when calcium carbonate does not precipitate out of the water and stick to the plaster, plumbing, heater and everything else in its path; which is called, “scaling.”  And at the same time, balanced pool water does not corrode and dissolve the plaster, mortar, or metal with which it comes in contact – this is called, “corrosive.”  Balanced pool […]

Pool Water Balance

Available Chlorine Content

On page 50 of our Pool & Spa Operator Handbook in chapter 5, there is an excellent chart that lists all the chlorine compounds and their respective characteristics/properties.  One of the properties listed is “Available Chlorine Content.”  You should remember that all chlorine compounds — namely, liquid chlorine, Trichor, Dichlor and such — are NOT created equal! The term “Available Chlorine Content” (ACC) was established to compare the potential […]

Available Chlorine Content

Salt Water Chlorine Generators

We need chlorine in our swimming pools to disinfect the water and to oxidize the contaminants.  Various chlorine compounds are available to the Pool Operator/Owner: liquid chlorine, quick dissolve granular (Dichlor),  slow dissolving tablets (Trichlor),  just to name a few.  We can also generate the chlorine by installing a Salt Water Chlorine Generator (SWG) system. For these to work, salt (NaCl) must be added to the […]

Salt Water Chlorine Generators

Flow Rate and Water Velocity

  We finished out the year of 2011 at PoolCorp’s Superior Pool Products building in Anaheim this past Thursday and Friday (December 8-9).  The CPO students were energetic and ready to learn about swimming  pool operation, and did quite well on the exam.  Thanks again, to PoolCorp and to the staff in Anaheim for all your hospitality and support throughout the year.  And a BIG “thanks” goes […]

Flow Rate and Water Velocity