What was the nature of the problems you are referencing with your chameleons? How exactly did you determine that the Exo Terra CF bulb was the cause of your chameleon's symptoms? What tests were done on the bulb to determine it was responsible? What tests were preformed by a qualified reptile vet to determine that the ailments were the result of a light source? Please outline your husbandry completely so we can verify that there are no other potential sources of concern. When you make statements like this about a product, you need to be very certain that you aren't making false accusations. Please clarify your statement.