Frequently Asked Questions

Have questions? Find the answers you need right here!

My total alkalinity is too high, how can I bring it down without dumping acid in the pool?

  • With chemical automation, this is fairly easy, but it may take 1-2 weeks depending on how much you need to lower it.

    Change your pH set point in the controller to 7.2-7.3. Since alkalinity and pH affect each other, keeping your pH low causes your total alkalinity to slowly come down as well. Check every 2-3 days until the desired alkalinity is reached. If you still have problems with your alkalinity creeping up, try using 7.4 as your pH set point.

My total alkalinity is too low—how can I increase it and keep it from dropping?

Change your pH set point in the controller to 7.7 to 7.8, and keep it there for 1-2 weeks. If you have difficulty keeping your alkalinity from dropping, make sure the pH doesn't fluctuate.

The controller is not responsive/The display is not showing values.

The TrueDPD PPM is not reading correctly and/or it shows 9.8 or 9.9.

Still have questions?

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