AquaChek Select Connect 7-Way Pool and Spa Test Strips Complete Kit - Pool Test Strips for pH, Total Chlorine, Free Chlorine, Bromine, Alkalinity, Total Hardness, and Cyanuric Acid - (50 Strips)

I like strips for their ease of use, and I really like these because they measure CYA/Conditioner. I have been impressed with the accuracy, though they are not as on-point as liquid reagents. In general, though, they are "close enough," and they certainly are fast. I have used the app only a couple times. It works remarkably well, though it takes a while sometimes to get a good photo of the strip and I really haven't yet figured out why it sometimes works and sometimes does not. When. it does work, it's kind of cool. I'll be trying to perfect the technique. I've seen comparisons with much more expensive kits, and while the other kits are more accurate as far as knowing the exact level of various thing measured, these proved to be consistent and as accurate as the range can be. In my use they are very consistent and the items that duplicate my other test kit (total chlorine, free chlorine, PH, etc.) are almost spot on -- again within the relatively wide range each color splotch represents -- with that kit. The chart is easy to read.

Doesn’t run down so you can read like the cheaper ones I purchased from Amazon. Works great. Recommend and easy to read. Good value

these work pretty well. you have to realize all of these test strips are not 100%. CYA color does not match so not sure why. Can not find the App on the iPhone store so I would check for it's availability before purchase if you want to use that.

Great. Consistent results. Easy to use.

I bought these after seeing them recommended online. They work well and are easy to read. When I ran out, I picked up a different brand of test strips from my local pool supply. They didn't work nearly as well as the AquaChek strips, and in fact they were misreading the chlorine levels (verified by taking water sample to pool supply store). I switched back to AquaChek and will only be using them for quick tests.

For the past 4-5 years I have been using the "older" version of the AquaChek pool test strips in my pool. I took a chance and bought these newer AquaChek Connect strips and downloaded the app to use them. I found three things that make me sorry I ordered these "new" strips. 1) The "Photo Capture" readings feature of the app are wildly inaccurate. They don't even come close to matching the "Manual Entry" reading provided with the strips. 2) These new strips are also inaccurate when compared to the readings displayed on the "old" strips. My Taylor K-1006 chemical comparison testing of these "new" strips prove that they do not display the correct chemistry either manually or with the photo capture. 3) The new Connect app does not include prompts on how to correct a chemical imbalance: for instance with the "older" app if your Ph, for example was a 8.4 (which is high), the app would describe how much acid (generic dry acid or muriatic acid) should be added to the pool correct the imbalance. The new app just tells you to correct the alkalinity to bring the Ph back into spec. In short, don't waste your money or risk your pool chemistry on these "new" AquaChek Connect products. Buy and use the older strips or find another brand. This is very disappointing.

These work just as well as the pricier ones and are super easy to use. With consistent use, they helped me keep my pool water sparkling and clear all summer!

The strips themselves work and you can see the chemical composition of your pool by putting the strip against the chart, but this is supposed to be able to be used with an app. When you try to download the app, it is non existent. So, I could've just bought regular test strips...