Quote Originally Posted by newbiepool View Post
Would you recommend the OTO kit with drops over the test strips?
Absolutely. "Guess strips", as we call them, can often tell you if there IS or IS not a level of something in the pool, but will not reliably tell you "how much". Drop-based testing is always more reliable, even if the tests the kit will run are limited. The 6-way hth would be even better....