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JohnT

Admin Mod Squad TFP Expert Gold Supporter

Admin From SW Indiana

Joined: Apr 4, 2007

Last seen: Today at 9:59 AM

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- JohnT replied to the thread Pool Stain Help - Ascorbic vs Muratic? What am I looking at?.
  
  Welcome to TFP! Your pictures didn’t make it. Organic stains will be cleared by chlorine. Ascorbic acid is most beneficial in the case...
  
  Apr 21, 2025
- JohnT reacted to SJPoe's post in the thread Featured Best Places to Buy Liquid Chlorine - Reboot!! with Like.
  
  So I was looking through the B.P.t.B.L.C post the other day after someone had asked about a specific state, and I realized with 74 pages...
  
  Apr 21, 2025
- JohnT replied to the thread Help!.
  
  So I see that Chuck had a good test kit. A TF Pro, which should be great for getting the info you need.
  
  Apr 17, 2025
- JohnT replied to the thread Help!.
  
  Yes, you can measure the salt. I found Chuck’s account, so I’m reading through some of his info to learn about your pool and equipment...
  
  Apr 17, 2025
- JohnT replied to the thread Help!.
  
  Welcome to TFP, Ronda. Very sorry for your loss. Free chlorine is the important one. You can add bleach or liquid chlorine to jump...
  
  Apr 17, 2025
- JohnT replied to the thread Water After Overwintering: Reuse or Refill the Pool?.
  
  The best thing to do is to follow the SLAM Process using liquid chlorine as the sanitizer. Once you complete that, then you can add...
  
  Apr 16, 2025
- JohnT replied to the thread Water After Overwintering: Reuse or Refill the Pool?.
  
  Welcome to TFP! There is rarely a need to replace water in a pool unless there are significant chemical or contaminant issues. Not...
  
  Apr 15, 2025
- JohnT replied to the thread Secondary systems for health concerns....
  
  Welcome to TFP! While we aren’t qualified to determine whether there is a cancer risk in any scenario, there are some things we do...
  
  Apr 8, 2025
- JohnT replied to the thread Calcium deposits all over pool.
  
  Welcome to TFP! How are you getting your test results? A pH of 9.0 is physically nearly impossible in water, and not measurable by any...
  
  Apr 6, 2025
- JohnT replied to the thread Pebble Tec - Salt Water Pool - Stains, Discoloration, Algae - Support/Help Needed.
  
  Welcome to TFP! First guess would be iron staining. High chlorine levels can oxidize iron in the water and result in it depositing on...
  
  Mar 29, 2025
- JohnT replied to the thread Taking care of our own pool now - do we need a partial drain?.
  
  Welcome to TFP!
  
  Mar 17, 2025
- JohnT replied to the thread Stain or Algea? How to Treat?.
  
  Welcome to TFP! I think I’m seeing a brown color to the staining which might mean iron. You might want to check out this thread...
  
  Mar 2, 2025
- JohnT replied to the thread Difficulty measuring pH.
  
  That comparator doesn’t seem right to me. @Sarah and Nate
  
  Mar 1, 2025
- JohnT replied to the thread Help getting black spots out of pool - tried everything.
  
  Welcome to TFP! Are you sure that isn’t gunite showing through worn out plaster?
  
  Feb 1, 2025
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