Episodes
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[00:00] - Intro
[01:01] - How acid lowers pH
[03:14] - Hypochlorite chlorines
[04:20] - How hypochlorites are made
[06:20] - Chlorines leave behind muriatic acid in water
[07:28] - Excess hydroxides
[09:50] - What can be done to limit the alkalinity rise?
[12:01] - Closing
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-
[00:00] - Intro
[01:27] - David's background
[05:38] - Better Understanding CO2
[10:12] - Runaway TA on CO2 Pools
[15:25] - Why CO2 tanks freeze
[19:11] - Total Dissolved Solids (TDS)
[27:17] - What was the TDS limit pre-2005?
[28:28] - Mutual friends with Richard Falk
[32:01] - Closing
Buy David's book on CO2 for pH management in pools: https://davidwatsonpoolconsulting.com/
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-
Missing episodes?
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[00:00] - Intro
[00:51] - Researching alkalinity since 2016
[05:27] - CYA contributes to TA, so does acid reduce CYA?
[07:09] - Acid vs. Bicarbonate Reaction
[09:08] - Sodium and Chlorides are Spectator ions
[12:10] - Does acid burn through Cyanurate Alkalinity too?
[15:04] - What about chlorinated isocyanurates?
[17:20] - Closing
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-
[00:00] - Intro
[00:38] - Bill's background
[07:27] - Expanding education and manufacturing capabilities
[14:44] - Clearance for fiberglass pool installation
[17:28] - How to become a fiberglass pool installer
[24:03] - Researching fiberglass "chalking"
[31:36] - Selflessness
[34:09] - Chalking looks like calcium silicate bound to to gelcoat polymers
[37:40] - The LSI, and chelating calcium
[40:04] - Gelcoat molecular structure
[46:15] - Thursday Pools' chemistry recommendations
[52:49] - One chemistry strategy that gets everyone's needs met
[57:00] - UV systems impact fiberglass chalking?!
[1:01:39] - Closing
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-
[00:00] - Intro
[01:44] - Wójtowicz Update to the LSI Formula
[04:21] - Dr. Langelier's Original Index Formula
[05:56] - What water wants vs. What air wants
[08:18] - Closing
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-
[00:00] - Intro
[02:38] - S2211 - Unit A, part 2
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-
[00:00] - Intro
[01:00] - What is natural stone?
[02:42] - Calcite is a dense form of calcium carbonate
[06:24] - Aggressive water seeks calcium, even in natural stone
[08:04] - Other natural stones that contain calcium
[11:22] - Closing
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-
[00:00] - Intro
[01:50] - Matt Mueller's Background
[08:49] - Issues that Led to Reverse Osmosis
[11:03] - Draining and Refilling Depends on Tap Water Chemistry
[12:33] - The RO Process
[17:17] - The RO Experience, from a Customer's Perspective
[21:34] - Is Dilution the Solution to Pollution?
[23:14] - Density Stratification
[29:36] - How Low Should You Go?
[34:32] - What is Osmosis?
[36:09] - Is it Drinking Water Safe?
[37:27] - Flow Rates
[39:00] - How Much Does RO Filtration Cost?
[41:19] - Biofouling
[46:06] - What Can Be Removed from Water?
[47:10] - Closing
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-
You asked, so we answered.
Thanks to feedback from students, instructors and sponsors like you, we are pleased to announce a new advanced construction course, addressing an underserved segment of the swimming pool industry.
Construction 4633:
Advanced Inflatable Watershape Installation Workshop (8)This eight (8) hour course packs in two days worth of information into one action-packed workshop. You will learn the five fundamental steps to selecting and installing an inflatable watershape.
Learn how to select the right inflatable watershape for your clients to harmonize with the aesthetic of their home's architectural style and their landscape design. Apply our core design principles to WOW your clients and make their dream become reality.
What you will learn
Installation techniques and best practices
Leak prevention and repair (besides duct tape) Ongoing maintenance, including: Avoiding swimming with sharp objects Maximum chemical levels to avoid a lawsuit Crafting a limited lifetime warranty that absolves you of any and all responsibility for literally anything that can go wrong Tips and techniques for effective photography of the completed project to add to your portfolioCost: $8,000
...or just 8 easy payments of $1000, if you want to be like that. And oh yeah...
Happy April Fools Day.
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-
[00:00] - Intro
[01:10] - Degrees of Chlorine Exposure
[03:51] - Our Bodies Produce Chlorine
[08:16] - Drinking Water is Chlorinated
[10:27] - Combined Chlorine and other Disinfection Byproducts (DBPs)
[16:07] - Prolonged Exposure to Chloramines and Bacteria
[23:28] - Is Swimmer's Ear an RWI?
[27:03] - Disinfection Contact Times (CT) and Cleaning Agents
[28:13] - Organic and Inorganic Chloramines
[30:09] - Chemistry by Committee
[39:43] - Our Industry Lacks Academic Research
[42:20] - CMAHC
[44:21] - Back to Bather Comfort and Irritation
[47:55] - Signs of Trouble
[50:00] - Closing
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-
[00:00] - Intro
[01:12] - Keegan's Background
[03:45] - Using Engineering to Simplify Pool Care Advice
[05:43] - The Reality of Algaecides
[07:07] - Access to Information has Increased
[08:55] - Personalized Calculations for YOUR Pool
[10:56] - Common Homeowner Questions
[12:31] - Take the Quiz, Order your Kit, and Customize it as Needed
[14:22] - PersonalizedPool.com, and the My Pool Plan app
[21:43] - This is innovative and the first of its kind
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-
[00:00] - Intro
[00:55] - I remember when AI came out
[03:03] - An uncertain future
[04:23] - AI recognizes AI
[06:24] - Truth and reality are blurred now
[07:26] - The Trades are the future
[09:07] - Humanity must prevail
[10:46] - Mass disruption
[12:05] - Automation is already here
[14:27] - Closing
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-
00:00] - Intro
[00:36] - Adjusted Alkalinity on a Pool Store Printout
[01:34] - Adjusted Alkalinity = Carbonate Alkalinity
[03:10] - Cyanurate and Borate also contribute to Total Alkalinity
[04:42] - Increasing CYA increases TA. About 1/3 of CYA is Cyanurate Alkalinity
[06:14] - Is Adjusted Alkalinity the "Real" Alkalinity?
[07:37] - One Breath Summary
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-
00:00] - Intro
[02:20] - Davis Tarwater's background
[08:24] - Water quality challenges
[18:20] - Swimmer irritation
[24:31] - Embrace the pH rise and plan for it
[26:56] - Closing
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-
[00:00] - Intro
[01:43] - New Baby and 2026 Goals
[05:44] - Service 2211 has been recorded, and will soon be online
[07:48] - 2026: A Building Year for Watershape U
[09:01] - Watershape U = Education + Reinforcement and Networking
[12:10] - The new WU Service Track
[13:33] - Upcoming WU Classes at Shows
[20:20] - Closing
[21:27] - Service 2211: Essential Water Chemistry - Unit A, Part 1
[24:49] - Learning Outcomes and Introduction
[27:13] - A.1 Hydrolysis, Saturation and Solubility
[31:51] - A.2 Water Chemistry Ranges
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-
[00:00] - Intro
[00:33] - Pool industry lifers
[07:25] - How pools are winterized in the Northeast
[11:51] - How cold is too cold to plaster?
[16:50] - Calcium chloride in the plaster mix
[22:06] - Freeze damage protection
[27:40] - Dilution's impact on the LSI during the winter
[33:51] - Testing fill water, and smart winterizing
[36:10] - Company culture of learning
[45:21] - Scale vs. calcium crystals
[52:50] - Accountability
[1:00:40] - Water and air physics
[1:10:38] - Closing
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-
[00:00] - Preface - Education Vacation Recap
[03:10] - Actual Introduction
[09:13] - New WU Class - C3291: Reinforced PVC Membrane Workshop
[14:35] - PVC membranes in cold climates
[16:33] - Installation and costs
[30:46] - Closing
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-
[00:00] - Intro
[01:12] - Introducing Rocco Russo
[06:15] - AI Displacement vs. Tribal Knowledge
[08:49] - 2025 Trainer of the Year
[20:50] - What to expect from S1311: Essential Pool Equipment - The Core Four
[33:44] - Closing
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-
[00:00] - Introducing Jimmy Reed
[07:58] - Weeks of precise prep work before tile goes in
[12:12] - The challenge is the point.
[13:46] - The Art and Science of Tile Work
[15:23] - C2611: Essential Tile Workshop
[18:58] - Closing
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