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Pool Water Chemistry and Sanitizers (74)

Discussions Replies Latest Activity

New CPO needs advice on why I need to add so much bicarb to maintain alkalinity

Hello! I am a relatively new CPO charged with two of the older tile pools at the Holland Aquatic Center in Holland Michigan. I need some he…

Started by Thomas Jarvis

1 Feb 14
Reply by Kevin Misley

Performing a controlled pool water drain

We are considering a controlled pool drain on a couple of older pools that we believe the pool surface will not be able to make it through…

Started by Jody Perez

0 Sep 25, 2017

Average Residential vs Commercial Pool Chemical Usage

Hello everyone! This is my first forum post here on PGN. Any feedback your have would be greatly appreciated :) Based on your experience, w…

Started by Kimberly Vines

4 Sep 28, 2016
Reply by Will Lombart

75,000 gal Commercial Pool Start up

Greetings Pool Geniuses! My company recently remodeled a 75,000 commercial pool that has had very poor maintenance for years.  We specifica…

Started by Chris Papes

5 Apr 11, 2016
Reply by Chris Papes

Coagulants and flocculants are now considered biocides in Europe

The Danish authorities have now started preventing the use of coagulants and flocculants that can remove phosphate, algae or bacteria from…

Started by Howard Dryden

3 Mar 19, 2016
Reply by John

HCF Observations at the Convent of the Sacred Heart School

I wanted to chime on and offer some observations on the progress of a case study I am working on in NYC. The Facility has a 144,000 gallon…

Started by Clemente Rivera

0 Mar 19, 2016

Salt water discharge and the environment(what damage)

Does anyone have any info or research on what salt water discharge(as in backwashing) does to the environment. I know chlorine is bad enoug…

Started by Lee Davis

1 Jan 8, 2016
Reply by Richard A. Falk

Borate Effect on SI Calculation

Hi Everyone,I am new to the forums as a poster but have been carousing them here, at TFP, and at TPF for many years. I work for one of the…

Started by Todd Johnston

4 May 7, 2015
Reply by Todd Johnston

PH bounce and alkalinity

PH bounce, what exactly does this mean?  Should I expect to see some kind of rebound or is this another pool phrase. I am talking specifica…

Started by John

2 Apr 23, 2015
Reply by John

Alkalinity

Ok so from reading on PGN I understand the reasons behind the high alkalinity start ups but what then?  Once the pool has stabilised what d…

Started by John

19 Dec 1, 2014
Reply by Richard A. Falk

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