Product review (5 stars): but I used this all season long using the recommended amount and when I disassembled my humidifier it was ...
I have seen a few folks complain about the dosing not being as strong as it used to be, but I used this all season long using the recommended amount and when I disassembled my humidifier it was perfectly clean, no residue or discoloration on the wick whichtells me this is doing its job.