How the Tri-Chlor Shortage is Forcing the Industry to Change with Harold Evans Orenda Technologies tri j technologies

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I asked Industry expert Harold Evans his thoughts on the Tri-Chlor shortage, and in his opinion, this can bring positive change to the industry. He believes the overreliance on Tri-Chlor was ultimately bad for the industry and he offers some ways to get through the current shortage.

Other Podcasts in this series:
Why the LSI is Key with Harold Evans of Orenda Technologies:
Salt Water Generators and Those White Flakes with Harold Evans of Orenda Technologies:

The Orenda Way with Harold Evans of Orenda Technologies:

About Orenda Technologies:
Harold Evans is the CEO of Orenda Technologies and has run a pool service company, “the Pool Surgeon” since 1983. For many years, Orenda was primarily a specialty chemical manufacturer, building a business on quality, professional-grade products, and reputation. We have since evolved into an education company. We have invested heavily in building the pool industry’s leading mobile app and dosing calculator, have a library of helpful videos, and a growing list of educational articles in our blog. In 2019 we released Orenda Academy, which is another free resource for anyone to learn more about pool management.

Here is more about Tri-Chlor tablets themselves:
Tri-Chlor or Trichloroisocyanuric Acid comes in three forms. The familiar 3” tablets that slowly dissolve in your pool, a very fine powder shock and a granular form. About 50% of the Tri-Chlor by weight is Conditioner (Cyanuric Acid). So, a 50 lbs. bucket of tablets is about 25 lbs. of Conditioner. If you overuse tablets your pool’s CYA level can go up rapidly. Trichlor tablets are usually 90% to 99% active chlorine. Tri-Chlor tablets have a very low pH of 2-3 so they will lower the pH in your pool. The tablets contain acid in the form of Cyanuric Acid so if one falls into the pool it is likely to stain the surface by burning it.

A very strong form of chlorine
Slow dissolving in tablet form so it releases chlorine all week long

Easy to use and affordable
Keeps a good residual chlorine level in your pool all week
Very long shelf life

Can stain the pool surface
Contains 50% CYA by weight
Be careful of toxic fumes

So what are some options with the shortage of tablets and the price increases in the current market? I think moving over to liquid chlorine would not be a bad idea. You may need to drain your pool partially to lower the CYA level down to make the liquid chlorine more effective but in the end switching to liquid chlorine or bleach would be your best alternative. It is readily available, highly effective and priced less than tablets at the moment.

About Liquid Chlorine:
Liquid Chlorine or Bleach is the tried and true standard chemical of choice for most pool service professionals. It is easy to use and relatively inexpensive and it has the least side effects of any of the chlorine you can choose from. It is usually sold in 12.5% active chlorine per gallon with Bleach coming in at about half that strength at 6.5%. It will raise the pH slightly, but it does not contain any Stabilizer or Conditioner making it ideal for all pool types. This means that when you add a gallon of liquid chlorine and your Conditioner level (CYA) is 50 ppm it will stay at 50 ppm even if you add 20 gallons of liquid chlorine.

Fastest acting of all chlorine types
Will not raise your CYA level
Safe for all pool types
Easy to use

Breaks down by the Sun’s UV Rays so your pool needs a CYA level of 30-50 ppm
Short shelf life so rotate stock or buy fresh chlorine when needed
The gallons can be heavy compared to a bag of shock
Is seen as weaker than shock based on the low percentage of chlorine but is stronger

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interstellar618 08/03/2022 - 5:55 Chiều

How is it that there is only plant that made tri-chlor in all of the US? That seems absurd. When is the plant going to produce and sell Tri-chlor again?

Terry Young 08/03/2022 - 5:55 Chiều

Lots of info from Harold. He knows his water chemistry. Met him a few times. One time at the IPSSA meeting, he talked to me in private, about his phosphorate remover. 3 of my pool stopped holding chlorine after using it. His first comment to me was where was a CYA I told him 90 and 100. He said all good then said must be something in the water, My answer three different water supply systems shook his head and said I don't know very curious. At that point I told him I could never use his phosphate remover again took 3 weeks to get those pools to hold chlorine but they were crystal clear and the one that good thing about it they were non-use pools just put your foot in that's it. Now it seems everybody's doing about face about 100 parts per minute CYA, And no more than 50 well like you I've been the business since 79 as I guess you know by that and never had any problems at 100 parts and 200,000 service stops and no I didn't run it at 7 parts per million usually 3 to 5 did great but instead of phosphate remover I used minerals and now if I was in the business 100% which I retired I would use boric acid never used it. You know us old schoolers. I am trying to get the facility where I work, no longer live in California to add it. It's like talking to a wall especially to the ones who have never treated a pool. Keep up the good work David and I always enjoy talking to Harold and listening to him.

Kevin Y. 08/03/2022 - 5:55 Chiều

I work for leslies, have to educate customers on CYA everyday. They correct it and their pools have never been better with weekly shocking.

Israel Ramirez 08/03/2022 - 5:55 Chiều

Reliable timer system and a chemical pump with container is all that is really needed. Might have to consider commercial grade to put together one.

sara w 08/03/2022 - 5:55 Chiều

Please help. I’m going to try using liquid chlorine. How do I know how much to put in? Just put in a gallon and test until chlorine is within range?

Kenneth Napier 08/03/2022 - 5:55 Chiều

As a service pro, you have to increase the value of your service that you provide to your customers. The moment you reduce value by asking the customer to do something for their pool, you have lowered your value to the customer. It is a convenience equation in reality. Consumers want to enjoy their pool and not have to think about adding chemicals and performing tests. Look, doing a good job on taking care the pools in your care will help you to increasing the value . Part of that is indeed the increasing of knowledge and understanding. There is a great opportunity to increase our customer base due to this Tri-Chlor shortage. It is the total understating of the pool chemistry which is an evolving science.

Darin Ferreira 08/03/2022 - 5:55 Chiều

Thanks for doing these podcasts, I really enjoy them, Im always up for learning. One thing I rarely ever hear talked about on the subject of algae is filtration time. I would say my biggest challenge with customers is getting them to leave the timer alone. When the weather warms up, the AC's get turned on, and the pool pump gets blamed for the high energy bills. So customers sneak out and either turn the systems off, or, adjust the timers to a fraction of the necessary time. I have found over the years that the pools that are allowed to run at LEAST 8 hrs per day are the easiest to maintain. Salt pools are 2nd easiest if the generators are still functional. The best way to control mustard algae, for me anyway, is to keep filters as clean as possible, always brush the south end of the pool, and run the filter as long as possible, and keep free chlorine level at least 3ppm, and PH a little on the low side like 7.0 just for the summer months. Just my two cents.

Matt 08/03/2022 - 5:55 Chiều

How much did orenda pay you?!?!

Paul Smethers 08/03/2022 - 5:55 Chiều

Every yin has a yang in the pool industry. The 320 Tri-Chlor dispenser jacks up CYA. Liquid dispensers suffer from pump corrosion and affect pH. At this point, I resigned to self-maintain my pool because the good service companies are over-priced and the others simply treat the pool as a chemical dump never testing the water. As for the reluctance in draining and refilling the pool, we are harped upon from early childhood about water conservation. Also, most people tend to not have a transfer pump or submersible handy to do the job.

Only Me 08/03/2022 - 5:55 Chiều

I have run my own pool Cleaning company for over 6 years, I now service 67 pools a week on my own and never rely on tabs and my pools stay balanced beautifully every week. Knowing how your pool runs and how to adjust chemicals is the answer for the chlorine shortage and saving $$$$ I have used PR10000 for the past 2 years, hands down the best phosphate killer on the market!

Da Elect 08/03/2022 - 5:55 Chiều

Salt cells bout to be big business

Garrett Cliser 08/03/2022 - 5:55 Chiều

Orenda phosphate remover and enzyme/chitosan clarifier are essential for the summer

It's COOLPAPAPUMP 08/03/2022 - 5:55 Chiều

This guest seems like a dick lol. This episode should have had a disclaimer, for professionals only! No diy’ers

Sylvain Viau 08/03/2022 - 5:55 Chiều

Liquid chlorine is 12% and every time you open the container you lose power and it raises the hell out of your ph and makes liner pool dries the liner I never touch that stuff and worked 32 years in Canada in the pool business good luck whit that liquid chlorine

ba8089 08/03/2022 - 5:55 Chiều

What is the new liquidator? I’ve seen info that it’s coming on the HASA website. Harold mentions it in this podcast but haven’t seen anything new out there in my search

Terry Meyers 08/03/2022 - 5:55 Chiều

Which type of bleach is best – Germicidal, concentrated, splashless, outdoor (these are all Clorox types). does it matter which one of these Clorox types that I use in my inground pool? What ingredient percentage am I looking for in a bleach to use in the pool?

T Real 08/03/2022 - 5:55 Chiều

So he saying use liquid chlorine but cost wouldn’t match correct

T Real 08/03/2022 - 5:55 Chiều

Oh ok liquid chlorine I got ya

T Real 08/03/2022 - 5:55 Chiều

So are we saying tablets that are just chlorine? Excuse my confusion


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