Introduction to the LSI | Rule Your Pool (Episode 4)

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  • เผยแพร่เมื่อ 4 ธ.ค. 2024
  • If you divide up pool chemistry, there's really two subcategories of it. There is sanitization (which is water, clarity, cleanliness, and safety) and there is balance. Is your pool scaling, etching, filled with calcium dust or crystals? All of those problems are LSI violations. They can be completely prevented simply by balancing the LSI and keeping it balanced. Following the conventional wisdom of range chemistry doesn't guarantee that you will have balanced water. But following the Langelier Saturation Index does.
    In the first three episodes, Eric and Jarred covered Total Alkalinity and pH. Those are two of the six factors of the Langelier Saturation Index (LSI). In Episode four, they cover the rest of the LSI and what you need to know about it. The LSI is the objective measure of water balance. Eric and Jarred will talk about what that means. There are six factors, and they will tell you what you need to know about all of them.
    _____________________________________________________
    @00:11 Episode Takeaways
    @01:51 Water Balance vs Sanitization
    @05:38 What is the LSI
    @09:58 The six factors of the LSI
    @11:56 Water temperature: the most ignored factor?
    @15:17 Total Dissolved Solids (TDS)
    @18:20 A (Very) Brief History of the LSI
    _____________________________________________________
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ความคิดเห็น • 15

  • @petersalls4083
    @petersalls4083 2 ปีที่แล้ว +1

    I am so glad I found Orenda! You're really helping me understand all about pool water. I've been using the app for the last 2 months since I decided to stop my pool service and it's never looked better. It's amazing how much of a difference I get between my readings and what the pool place gets. I like to go there to see what they're getting. I was using them as a baseline, now I'm just going by what the app says to add to the water and like I said it's never been better. A few weeks ago they told me to add a gallon of muratic acid and I'm thinking that seems like way too much. The app said 17 ounces...I added 17 ounces. I'm sure that was a wise decision. Anyway, thanks for all your great knowledge, it's appreciated.

    • @OrendaTechnologies
      @OrendaTechnologies  2 ปีที่แล้ว

      We are so pleased that it’s working and our work is valuable to you and your pool. Thanks for listening!

  • @SuperNovadose
    @SuperNovadose ปีที่แล้ว +1

    I noticed on the calculator that the lowest temperature only goes to 32
    Will there be a update for lower water temperature (new England area) only asking want to treat water for lower Temps for closing season

  • @erikfridman9958
    @erikfridman9958 3 ปีที่แล้ว

    Hi Guys, So I have an question about TDS and how it relates to LSI. So let's say I have a SWG and during the summer my pool is 82 degrees and TDS including salt is around 3500. I get my water balanced and it's a thing of beauty. Being in the North East, I can try to forecast for future temp drop from 80s to 30s. Obviously drop in water temp decreases LSI. So during winterization I can increase PH, Alkalinity or Calcium to anticipate for that drop in water temp and compensate accordingly using the Orenda app. However, as the temp drops the salt will be much less dissolved thus bringing down TDS as well. And i have no idea what TDS will be at 40 degrees. Should I even be concerned about it or just plug in TDS as it is currently is and just adjust PH, Alkalinity or Calcium higher? Do you recommend one over others to be adjusted higher for that anticipated temp drop. Thank you.

    • @OrendaTechnologies
      @OrendaTechnologies  3 ปีที่แล้ว

      Very well thought-out question Erik! But actually your salinity should not decrease at lower temperatures at any noticeable level (if at all). This is often misunderstood because TESTING for TDS tends to be skewed when the water sample is cold.
      So use the current TDS throughout the winter, load up on calcium hardness to prepare for rain/snow dilution and cold water, and keep doing what you’re doing. If you have more questions, email eric@orendatech.com. Cheers

  • @toddphelan1495
    @toddphelan1495 4 ปีที่แล้ว

    Excellent episode. I disagree with water line/spillway scale being totally driven by LSI. I agree with those people that feel it's mostly based on evaporation/wicking. Aqua magazine currently has an article on this subject.
    Keep up the good work 👍
    aquamagazine.com/pools/scale-does-tile-an-injustice.html?eid=354660084&bid=2672919

    • @OrendaTechnologies
      @OrendaTechnologies  4 ปีที่แล้ว

      Yes the tile line does have a lot to do with evaporation, but if you think about it, that’s still an LSI issue. So you’re not wrong, it’s not totally LSI. BUT evaporation reduces water, which increases the concentrations of calcium and alkalinity, therefore precipitating calcium carbonate easier. Another issue is scum lines from organics, which float to the top of the water and get stuck on the tile. The organics make it more difficult to remove the scale line.

  • @alexgunawan98
    @alexgunawan98 3 ปีที่แล้ว +1

    I prefer you guys using cartoon to explain it. like MIT is doing with D.O and Temp. Sorry, i am more visual than listener.

    • @OrendaTechnologies
      @OrendaTechnologies  3 ปีที่แล้ว

      We prefer cartoons too. Do you know any illustrators?