How To Change Filter In Drinkwell Platinum. If your pet still isn't interested in the fountain, make it more appealing with some flavoring. Align the filter housing with the bowl and press down to secure.
Moving water entices pets to drink more, keeping them happy, healthy and hydrated. To change the filter, unscrew the filter housing cap. Filters help extend the life of your fountain and pump and should be replaced every 2 to 4 weeks.