Cyanuric Acid level

[CMG707]

Hi all,
Some background - within the last month or two, I decided the pool service monthly was too expensive and I'd take it on myself. I thought winter would be a good time to learn this process. So, for the last couple of months, I've really been monitoring the pool's chemistry with bi-monthly readings from Leslie's. The two readings that have been high are Calcium Hardness and Cyanuric Acid. We've had some rainstorms hit in the last month and I thought by leaving the cover off, it would help bring both down. Not the case. So, to the point of my post - what is the best way to bring these two readings down? Leslie's is suggesting I drain the pool a couple of inches and fill it back up. Thoughts?

 

[TinFoilHat]

First of all, do not trust the water tests at Leslies. They are there to sell you stuff and so you are better off doing your own testing to ensure it's done in your best interest. If you truly have high CYA, which is usually from puck usage or high CH which is usually from your water source, then draining is how to drop those levels. First you need to start with a good test kit, links below. And then start using liquid chlorine so that you aren't adding things to the pool that shouldn't be added.

Test Kits Compared
Pool Care Basics
FC/CYA Levels

 

[PoolStored]

Welcome to TFP!!!

One of the foundations of TFP is self testing. Pool store testing is notoriously wrong. As TinFoil indicated, get a proper kit. Link-->Test Kits Compared

Rain has very little impact on chemistry, unless you get significant water.

Get a kit and post results from your testing and we'll get you set up. FC, CC, pH, TA, CH, CYA.