Pet remedy is amazing, I have 2 old cats who used to get on beautifully but now they’re old and mardy with each other. They were having the mother of all fights on a regular basis. I use the diffuser and have one upstairs and one down. It’s amazing, they no longer fight and I can tell when the diffuser is low because they start again. By far the best purchase I’ve made as we can all live in harmony. It will continue to remain in my home for years to come. Thank you