In the Pool School - Test Kits Compared section of this website, it says that the Taylor K2006C has enough reagent for 8 CYA tests. However, the test kit comes with three 2-oz bottles of the CYA reagent. Since each test requires 7ml of solution, the Taylor K2006C allows for 25 tests.
Pool School - Test Kits Compared
Pool School - Test Kits Compared