AquaChek 551236 7-Way 100 Count Pool Water Test Strips
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|Item Weight||0.1 Ounces|
|Item Dimensions LxWxH||1 x 1 x 1 inches|
About this item
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- 7-Way Strips Measure:Free Chlorine, Total Chlorine, Bromine, Total Hardness, Total Alkalinity, pH and Cyanuric Acid
- Just dip and wait 15 seconds
- Includes a reusable color chart comparator( The reusable color chart comparator is the color chart on the side of the bottle)
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7-Way Strips Measure: Free Chlorine, Total Chlorine, Bromine, Total Hardness, Total Alkalinity, pH and Cyanuric Acid.
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I tested multiple times on the same day. For AquaChek I got the exact same results each test. I compared to results attained by professional tester (Leslie's Pool) from one of the samples. Alkalinity was reading 0 on all the AquaChek test. The professional test showed 80 ppm. SureTrack test showed about 80 ppm as well. I was expecting the AquaChek to be brown (0 indicator) or atleast light green (40 ppm) but it was just mostly white with a little tint of brown. I've tested maybe 12 strips now. All AquaChek CYA reading the same color. Perhaps for my bottle the test material is bad for detecting Alkalinity.
The AquaChek was pretty spot on for the other test. I will say for SureTrack and AquaChek the tints are fairly close on PH. At least the SureTrack had a 7.2 , 7.5 and 7.8 reading. The Aquacheck had indicators for 7.2 to 7.8 only. So there is a little more guessing on PH with AquaChek. Since 7.8 is generally the high limit, this should be okay to test for predicting maintenance. Though my goals are to keep PH at 7.2-7.4 for pool comfort. So the SureTrack helps better with this one.
Prior visits to Leslie's Pool, they recommended to use a bottle to get test from arm length below pool line. CYA tends to float on top. Your best accuracy supposedly comes from sample an arm length below pool line. I had money to burn so I compared multiple test of samples taken from bottle at arm length below water line and dipping test strips arm length below water line. No difference on AquaChek test. All strips from hand or bottle sample read same for CYA. The indicators were at 0 and 30-60. The color was between those two indicators so I'd guess 15 ppm. The Leslie's professional test was 50 ppm. The SureTrack CYA has indicators for CYA are at 0, 40, 70 and 100 ppm. I'd guess 40 ppm for all of them. Maybe the bottle test samples were a slight shade darker than hand test samples. I only mention this last paragraph in case there were any questions to the sample methods on CYA.
For me, both test systems were great. And I will use on a weekly basis or every few days to verify chlorine and PH for sanitary and comfort.. Also to verify hardness which is important on warranty for plaster/aggregate. If you get indication you are consistently outside the ideal ranges, I would definitely recommend getting a professional test to verify problem and professional test again after any treatment. I was told to use the strips probably more often like every day or two for a week after treatment to keep a close eye on treatment long-term effectiveness. I have to do professional test every month for warranty purposes. I'll benchmark accuracy with each professional test so I will have more data in the future. I'll update this post for anything else I find.
are the only ones I feel give me a true reading - especially on the pH and Alkalinity levels. I no longer maintain pools professionally, but continue to use these strips for help maintain my own pool.