Total Dynamic Head and the Pump Curve

It’s already July, 2011 — and this year is more than half over.  Time is just FLYING by as we have fun teaching CPO classes! Last Monday was July 4, and we celebrated our country’s Independence Day with family and friends with picnics and fireworks.  As a nation, we have declared ourselves to be independent and sovereign now for 235 years…..but that freedom has not [...]

Total Dynamic Head and the Pump Curve

Incompatible Pool Chemicals

We had a full house in our CPO Certification class at SCP/PoolCorp in Riverside this past Thursday and Friday, June 23-24.  We purchased more tables to accommodate everyone and are now better prepared to include more students at this location.  We appreciate SCP allowing us to store the tables there between classes, too. When we talk about pool water problems in our classes, the topic [...]

Incompatible Pool Chemicals

VGB Pool & Spa Safety Act

The new NSPF Pool & Spa Operator Handbook - 2011 Edition – from the National Swimming Pool Foundation has been updated to include a GREAT overview of the Virginia Graeme Baker Pool and Spa Safety Act (aka “P&SS Act”).  This law was signed by President Bush on December 19, 2007 and compliance was mandatory for all public pools after December 19, 2008. The overview in the [...]

VGB Pool & Spa Safety Act

Legionnaires’ Disease at the Playboy Mansion

Let’s discuss the “infamous” Chapter Four of the Pool & Spa Operator Handbook by the National Swimming Pool Foundation. When we study this chapter in our CPO class, we go over all the known pathogens found in swimming pools and their associated illnesses and diseases.  We categorize these pathogens as “enteric” (intestinal) or “nonenteric,” and we discuss how humans contract them.   One of the nonenteric diseases found [...]

Legionnaires' Disease at the Playboy Mansion

How much Pressure is at the Bottom of the Pool?

Part of the CPO class curriculum is Chapter 3 of the CPO Handbook, entitled “Essential Calculations.”  On page 25 of Chapter 3, is a chart of “Useful Conversions and Constants” (right). We go over each and every item in the chart and really drill down on some items in particular, such as BTU, PPM, PSI, as well as “Water Column” (the item circled). Did you ever wonder just [...]

How much Pressure is at the Bottom of the Pool?

General Chemical Dosage Formulas

As we were going through the chemical dosage exercises in our CPO class this past Thursday and Friday at Superior Pool Products in Anaheim, the question was asked, “Is there a general formula that we can use to add chemicals to the pool?”   In class we use a worksheet (developed by the Foundation) that simplifies the elementary algebra — and reduces it to simple [...]

General Chemical Dosage Formulas