Need a simpler SSSCAT refill routine? This 2026 guide compares the easier compatible-can alternative vs the original DIY refill hack, with tradeoffs and who each method fits best.
Learn the real DIY SSSCAT refill hack we used, with original photos, step-by-step instructions, risks, and when this free refill method is worth the effort.
Replacement filters for your cat water fountain usually cost between $13 to $25 for a pack of 8. The manufacturers suggest that you replace the filters every 1 to 2 weeks. That comes out to $84 - $162 each year! I'm going to show you how to replace your cat's water fountain filter for free (almost)!