I have 3 cats and the joy of not having to "scoop" is indescribable! The only problem is they scatter it all around the house and it doesn't last much more than 2 months for my 3 cats. But I wouldn't trade my "Genie" for anything! definitely worth every penny!
Hi, a box of Washable Granules should last 4-6 months for 1-2 cats. So, in your 3 cat household it should last between 2-3 months. Remember, it will stick to waste and even if we could capture all of the scatter with 3 cats feces (depending on consistency) you will lose a significant amount of granules each day even though we shake off the GenieHand to try and keep as many as possible in the bowl. That is why we created the 3-Pack-or family size order. Save money on each box and even more on shipping.