I have a hard time distinguishing colors when using a test kit. Last year was my first year of having a pool; I had a cheap test kit and used the strips that came with the build, but really didn't have a good grasp on what was correct after doing the testing. I mainly relied on the SWG readings and had zero issues. I'm the only one to do the testing, so asking someone else isn't really an option. Is it worth it to put more money into a more expensive test kit? Another issue I had was where do you do the readings...if they are done poolside the colors look differently b/c of full sunlight, vs. doing the test in the shade or in the house.
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