If you never want your fountain to start to look old and worn out, then you should use Fountain AcScents fizz Tabs. Each tab helps keep water clean and clear of hard water deposits, white scale and foam. Water stays fresher, longer, with a gentle scent that makes your fountain more enjoyable. Available in four great scents or unscented.

• 8 tablets in each pack.
• Not for Use in Water Features with Plants, Fish or Other Aquatic Life Forms.
• Great for tabletop and wall fountains

louwana parrent -
I loved the fountain, took care of the hard water and foam as soon as i droped it in the fountain. It worked much better than the no more foam for getting rid of the foam in my fountain