00:00 - Introduction

03:16 - pH buffering

04:43 - Bicarbonate, cyanurate and borate

06:41 - pH is based on H2O and hydrolysis

09:56 - Carbonate alkalinity means dissolved CO2 determines pH

11:51 - Bicarbonate converts into carbonate at 8.3 pH

13:22 - High TA, more buffering capacity, more acid demand

15:19 - Acids and conjugate bases

18:16 - pKa values and buffering strength

20:52 - What does pKa stand for?

23:05 - Closing

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00:00 - Introduction

02:25 - Cicada broods every 13 or 17 years

05:44 - What do cicadas do?

07:03 - Cicadas and swimming pools

08:56 - What do cicadas introduce into swimming pool water?

10:44 - How to get cicadas out of the pool

11:29 - Other small dead animals in pools

13:02 - Closing

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00:00 - Introduction

01:06 - How did Niki and Jack get involved in Skimmer?

06:08 - What's new with Skimmer?

09:56 - State of Pool Service Report

12:38 - Skimmer's Orenda Calculator integration

18:03 - The modern pool pro

20:06 - How does Skimmer want their customers to use this?

22:22 - The LSI quantifies water balance

25:42 - Tracking, Trending, and Forecasting

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00:00 - Introduction

02:06 - What is PoolBrain?

04:40 - The pains of running a large pool service business

06:48 - A lack of data

09:42 - The power of standardization and checklists

14:43 - Growing vs. Scaling

21:58 - PoolBrain + Orenda Calculator™ integration

25:55 - Closing

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00:00 - Introduction

03:25 - Column-pouring video in Eric's Pool

06:51 - Explanation

08:26 - Wrap up

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00:00 - Introduction

03:13 - Myth 1: ANSI-11 Standards NEVER allow water chemistry outside the ranges

05:12 - Myth 2: It's important to give water what it wants to "make water happy"

10:01 - Myth 3: The pH is constantly increasing outside of the acceptable range stated in Standard 11, and there are no options

14:40 - Myth 4: Water balance indexes indicate whether water is scaling or corrosive to surfaces and metals

20:12 - Myth 5: In a pool using chlorine and cyanuric acid, keeping the pH in the acceptable range is not important. Chlorine is controlled by the CYA.

29:03 - Myth 6: To control algae, it is important to maintain a certain ratio of CYA to free chlorine

33:54 - Myth 7: Chlorine lock

36:15 - Myth 8: Chlorine demand is caused by high phosphates and nitrates

37:45 - Myth 9: Using bleach in a pool does not raise pH

48:00 - Wrap up

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00:00 - Introduction

01:00 - ORP is a water quality subject

02:39 - Chlorine oxidizes by stealing electrons

04:25 - Why is ORP used in swimming pools?

06:26 - Is ORP measured as conductivity?

07:21 - Factors that affect ORP - pH, CYA, water temperature

08:23 - pH and ORP

11:19 - ORP accuracy is based on fixed pH and chlorine levels

13:22 - Cyanuric acid and ORP

14:24 - Water temperature and ORP

16:20 - Ways to increase ORP

19:23 - Wrap up

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00:00 - Introduction

01:12 - Old habits and beliefs about chlorine and acid

07:04 - Liquid chlorine (sodium hypochlorite)

11:07 - Our bodies produce HOCl too

12:13 - HOCl will become HCl (aka muriatic acid)

16:00 - Cal hypo (calcium hypochlorite)

21:30 - Sodium Dichlor (dichloro-s-triazinetrione)

21:46 - Trichlor (tricoloro-s-triazinetrione)

26:36 - Saltwater chlorine generators (SWG)

30:43 - Chlorine gas (Cl2)

33:16 - Closing

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00:00 - Introduction

01:35 - We have learned from past mistakes

04:40 - The history of the Orenda Calculator™ formula

05:51 - Dr. Langelier's original formula = pH - pHs

10:47 - Revisions to the LSI in 1942, 1964, 1965 and beyond

12:32 - Technology is not limited by reference charts

14:29 - The LSI charts today are based on the updates by John Wojtowicz

17:22 - Wojtowicz wrote about the pH Ceiling concept

19:19 - The most precise LSI calculator in the world

22:55 - Wrap up 

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00:00 - Introduction

00:16 - Christian Shirilla, River Pools

08:13 - Jarred's amnesia

08:44 - Terry Arko, HASA

14:42 - Jonathan Heller, MikvahTech

24:19 - Kevin Cooley, Goudy Pools

32:36 - Miguel Chavez, Orenda

38:27 - Closing

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