Yes, you can use tap water in a dog water fountain, but it's advisable to use filtered or purified water if possible to reduce mineral deposits and impurities. If you're using tap water, ensure the fountain has a reliable filter to keep the water clean and safe for your dog. Regular cleaning is also essential to prevent build-up from minerals or bacteria.

Yes. Most pet water fountains are easy to assemble and designed to be user-friendly. The process usually involves a few simple steps and can be done in minutes. 

Here's a basic outline of what to expect:

• Put filter cotton into the filter box
• Assemble the pump
• Fill the tank with water
• Put on the cover drinking tray and insert the faucet

Most pet water fountains come with an instruction manual that includes a step-by-step guide. Following this ensures that all parts are properly installed and the fountain functions correctly.

Yes, a pet drinking fountain needs a filter.

 Filters help remove impurities, hair, food particles, and other debris from the water, keeping it clean and safe for your pet. Many filters also have activated charcoal to help reduce odor and improve the taste of the water, which can encourage your pet to drink more. 

It is recommended to purchase the set containing a filter. About four filters need to be replaced in a month. Be sure to regularly check and replace the filter as the manufacturer recommends.

Yes, many cat water fountains are designed to accommodate both cats and dogs. Choose a cat water fountain for your pet's size and breed. Larger dogs may require a pet drinking fountain with a higher water capacity.

Most cat water fountains need to plug into power the pump that circulates the water. Some cat water fountain models are USB-powered, while others use traditional outlets. Check the pet drinking fountain details for power requirements before purchasing.