Rule Your Pool

Soda Ash vs. Sodium Bicarbonate for Raising Alkalinity

[00:00] - Intro [02:20] - Soda ash vs. Sodium bicarbonate [04:51] - Alkalinity article by Kim Skinner (onBalance) [07:51] - Orenda Chemiculator® accuracy [10:26] - Cl

White Water Mold and Disappearing CYA (w/ John Davidson)

[00:00] - Intro [01:59] - The Montana Pool Season [04:39] - What White Water Mold Looks Like [06:02] - Breaking down CYA [10:12] - How to Prevent White Water Mold [1

I've joined Pool Brain. Here's Why.

[00:00] - Intro [01:03] - Self Awareness [05:46] - Why I chose to join Pool Brain [08:47] - Addressing our industry's turnover problem [14:19] - Motivation when chang

Understanding Parasites (w/ Roy Vore, Ph.D.)

[00:00] - Intro [01:15] - What are parasites? [07:04] - How to kill parasites, and debunking myths [11:24] - The 2026 Cyclospora outbreak [22:06] - Comparing food-bor

Why Alkalinity Rises in Pools using CO2 for pH Management

[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 w

Pool Chemistry Down Under (w/ David Watson)

[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 Diss

Acid Burning Through Alkalinity...and CYA?

[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]

Fiberglass Pool Chemistry (w/ Bill Khamis)

[00:00] - Intro [00:38] - Bill's background [07:27] - Expanding education and manufacturing capabilities [14:44] - Clearance for fiberglass pool installation [17:28]

Is the LSI actually an "Index"?

[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] -

Service 2211: Essential Water Chemistry is now available on Watershape.org

[00:00] - Intro [02:38] - S2211 - Unit A, part 2 ______________________________ Connect with us! Game Changing Pool Business Software: Pool Brain® Realize your f

Water Chemistry vs. Natural Stone

[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

Reverse Osmosis (RO) Filtration (w/ Matt Mueller)

[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 [12:3

186. NEW COURSE! C4633: Advanced Inflatable Watershape Installation Workshop

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, addressi

Allergic to Chlorine? A Microbiology Lesson (w/ Roy Vore, Ph.D.)

[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 o

AI: My Unsolicited Opinions

[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] -

Understanding Adjusted Alkalinity

00:00] - Intro [00:36] - Adjusted Alkalinity on a Pool Store Printout [01:34] - Adjusted Alkalinity = Carbonate Alkalinity [03:10] - Cyanurate and Borate also contribu

Swim School Chemistry (w/ Olympian Davis Tarwater)

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 [2

Dad Mode: Unlocked

[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 [

Winterizing Pools Against Crystals (w/ Rob Romano and Bill Drakeley)

[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 chlori

Protecting Pool Plaster (w/ Jeff Smith)

______________________________ Connect with us! Game Changing Pool Business Software: Pool Brain® Realize your full potential. Watershape University® Water chemis