TF100 Test Kit

Yes, that's correct. The main difference is that they are packaged in different sizes based on the tests that many pool owners perform most often. The other notable feature of the TF100 is that it includes the FAS/DPD chlorine test which uses a liquid reagent and a powder. It measures chlorine very precisely up to 50ppm+. It is not stocked by most pool stores. This test is particularly indispensable to a pool owner, especially when correcting pool water problems.
 
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