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Orenda's 100th Blog

Our 100th blog article marks an achievement that we owe to you, our readers, with sincere gratitude. We want to use this article to discuss our company and mission and ask for your continued feedback in 2021.

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How to install a feed pump on a swimming pool

Automating chemical feeds in swimming pools is almost always a good idea. Orenda products are no different. This is a step-by-step guide with a video to walk you through how to install a feed pump on a swimming pool.

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LSI First. Range Chemistry Second.

What if range chemistry is the wrong thing to focus on when managing water? What if the ranges do not always apply, like in the winter? Theoretically, the textbook ranges for chemistry are ideal. But in reality, that's not always the case. In this article we will explain why we prioritize the Langelier Saturation Index (LSI) first, and range chemistry after that.

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Honesty in Water Chemistry Testing

 
 

If you're not testing, you're just guessing

Water testing is too often rushed and overlooked in our industry. A few months ago, I had the opportunity to take the startup certification course for the National Plasterer's Council, hosted by Bel-Aqua. As an employee of Orenda, I work with service techs and plaster companies every week. This course was a wonderful opportunity to soak up information like a sponge, and learn more about the business. Granted, I was not actually supposed to take the course (Orenda was a sponsor of the event, and I am not a service tech), but I was invited to participate.

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Pool Chemistry During the Winter

This article aims to shed light on what really goes in a pool that is winterized. When the temperature drops, chemistry changes. Pools must be treated differently in the winter than they are in the summer, You can read our primary article about Proactive Pool Winterization here.

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What is Alkalinity?

Alkalinity is one of the primary things measured in water chemistry. But what is it? Total Alkalinity (TA) often gets confused with pH and words like alkali, alkaline, etc. I think this topic is one of the least understood in pool management. Many pool service pros know how to test for TA, but may not even know what it actually is, what it does, and why it's important.

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How to add calcium chloride to a swimming pool

How should we add calcium chloride to a swimming pool? How can we make sure we're handling it safely, and properly, to avoid unintended consequences? Adding calcium is not as simple as it sounds...you don't just throw it in the pool. Calcium chloride doesn't dissolve the same way as dry acid, sodium bicarb or a non-chlorine shock; calcium chloride gives off a lot of heat. Like any other dry chemical, however, calcium chloride should be pre-dissolved in a bucket prior to adding to the pool. Let's explain.

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ORP and LSI: The Future of Water Chemistry

Way back in 1984 I founded my service and repair company, The Pool Surgeon. I had no idea what ORP and LSI abbreviations meant, let alone their definitions. To be completely honest with you, I am not certain I was any better informed in the first 25 years of my pool career. As ashamed as I am to admit it, I'm admitting it because it's the truth.

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Calcium: The Most Misunderstood Chemistry in the Pool Business

Calcium hardness has a bad reputation, and that reputation is undeserved. When people see calcium scale or plaster problems that are white in color, they immediately assume it's calcium's fault. In reality, calcium is actually your best friend for water balance, as it is remarkably stable, and able to help you keep your pool in LSI balance year-round.

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