I have been SLAMming my pool for a week. Sunday night I tested my chlorine at night and then the next morning and I didn't lose any chlorine over night! Yahoo....I am done! Or so I thought. I did the OCLT test one more time last night make sure things were good and this morning I tested and found that I lost 3 ppm of chlorine. How could I pass the test one night and not the next? Should I continue to SLAM my pool? Thanks!