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| Location | Observer's Name | Today's Date | Day of the week | Time | Big pool pH | Big pool Temperature | Big pool Chlorine | Big pool Alkalinity | Big pool Cyanuric Acid | Big pool Calcium hardness | Big pool Attendance | | Big Pool: What was done to solve chemical issues? | Little pool pH | Little pool Temperature | Little pool Chlorine | Little pool Alkalinity | Little pool Cyanuric Acid | Little pool Attendance | | Little Pool: What was done to solve chemical issues? |
| Aurora YMCA | Addie Roush | 06/26/2021 | Saturday | 02:00 PM | 7.4 | 82 | 3 | | | | 0 | | | 7.4 | | 3 | | | | | |
| Aurora YMCA | Arhana Baijal | 08/12/2021 | Thursday | 12:00 PM | 7.4 | | 2 | | | | | | | 7.4 | | 2 | | | | | |
| Reunion | Anneliese Overstreet | 08/14/2021 | Saturday | 12:00 PM | 7.4 | | 0 | | | | | | Shocked pool
| 0 | | 0 | | | | | |
| Crystal Valley | Jacob Reed | 06/29/2021 | Tuesday | 08:00 PM | 7.4 | | 5 | 140 | 35 | 160 | | | | 7.4 | | 5 | 140 | 35 | | | |
| Aurora YMCA | Christian Gadiano | 08/17/2021 | Tuesday | 08:00 AM | 7.2 | | 2 | | | | | | | 7.2 | | 2 | | | | | |
| Reunion | Chloe Taylor | 07/01/2021 | Thursday | 11:30 AM | 7.0 | | 7.5 | 200 | | 350 | | | | 7.0 | | 7.5 | 200 | | | | |
| Aurora YMCA | Arhana Baijal | 08/16/2021 | Monday | 06:00 PM | 7.4 | | 3 | | | | | | | 7.4 | | 3 | | | | | |
| Reunion | Chloe Taylor | 07/03/2021 | Friday | 05:30 PM | 7.4 | | 3 | 70 | | | | | | 7.4 | | 3 | 70 | | | | |
| Crystal Valley | Sadie Smith | 07/04/2021 | Sunday | 05:05 PM | 7.4 | | 7.5 | | | | | | | 7.4 | | 7.5 | | | | | |
| The Cove | Brody Foote | 08/28/2021 | Saturday | 12:05 AM | 7.2 | 86 | 5 | 80 | 30 | 200 | 18 | | | 0 | 0 | 0 | | | | | |
| Aurora YMCA | Taylor Lee | 05/05/2021 | Wednesday | 02:00 PM | 7.4 | 7.4 | 2 | 130 | 30 | 260 | 0 | | | | | | | | | | |
| Crystal Valley | Macrae Brown | 08/31/2021 | Tuesday | 04:00 PM | 7.4 | | 3 | | | | | | | 7.4 | | 3 | | | | | |
| Crystal Valley | Thomas Neal | 07/09/2021 | Friday | 06:00 PM | 7.6 | 85 | 7 | | | | | | | 7.6 | 85 | 7 | | | | | |
| Aurora YMCA | Sophia Prince | 05/22/2021 | Saturday | 10:00 AM | 7.4 | 83 | 3 | 70 | 30 | 330 | 0 | | No
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| Aurora YMCA | Christian Gadiano | 09/03/2021 | Friday | 10:00 AM | 7.4 | | 2 | | | | | | | 7.4 | | 2 | | | | | |
| Crystal Valley | Thomas Neal | 07/11/2021 | Sunday | 02:05 PM | 7.4 | 84 | 6 | | | | | | | 7.4 | 84 | 6 | | | | | |
| Aurora YMCA | Tucker Meeks | 05/27/2021 | Thursday | 02:41 AM | 7.4 | 83 | 3 | | | | | | | | | | | | | | |
| Aurora YMCA | Shaina Chan | 09/04/2021 | Saturday | 04:00 PM | 7.4 | | 2 | | | | | | | 7.4 | | 2 | | | | | |
| Aurora YMCA | Shaina Chan | 07/12/2021 | Monday | 06:00 PM | 7.4 | 82 | 3 | | | | | | | 7.4 | | 3 | | | | | |
| Aurora YMCA | Christopher Gallegos | 09/17/2021 | Friday | 12:00 PM | 7.4 | 79 | 2 | | | | | | | 7.4 | 79 | 2 | | | | | |
| Reunion | David Lee | 07/14/2021 | Wednesday | 11:30 AM | 7.3 | 83 | 7 | 150 | | | | | Added acid and calhypo.
| 0 | | 0 | | | | | |
| Aurora YMCA | Murphy Close | 11/17/2021 | Wednesday | 12:00 PM | 7.4 | | 3 | | | | | | | 0 | | 0 | | | | | |
| Crystal Valley | Michael Lee | 06/02/2021 | Sunday | 01:55 AM | 7.4 | | 2 | | | | | | | 7.4 | | 2 | | | | | |
| Aurora YMCA | Murphy Close | 12/02/2021 | Thursday | 12:00 PM | 7.4 | 84 | 3 | | | | | | | 0 | | 0 | | | | | |
| Aurora YMCA | Shaina Chan | 06/03/2021 | Thursday | 02:00 PM | 7.4 | | 2 | | | | | | | | | | | | | | |
| Location | Observer's Name | Today's Date | Day of the week | Time | Big pool pH | Big pool Temperature | Big pool Chlorine | Big pool Alkalinity | Big pool Cyanuric Acid | Big pool Calcium hardness | Big pool Attendance | | Big Pool: What was done to solve chemical issues? | Little pool pH | Little pool Temperature | Little pool Chlorine | Little pool Alkalinity | Little pool Cyanuric Acid | Little pool Attendance | | Little Pool: What was done to solve chemical issues? |