Why is my chlorine drop test so inconsistent when my chlorine levels are super high (42.5)? I test and get 1.5; knowing this can not be correct I test again and the water sample will actually trun dark pink and I get 31. Is there a problem with the test kit or is the problem that my cholorine so high? I am super cholorinating to get rid of algae introduced my frogs jumping into the pool. Any help would be appreciated.