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Originally Posted by mjuelfs  What is a grid system? |
It's a tray with a rubber mat that is a grid on top, and you put newspapers on the bottom. I find it a lot easier and cheaper to maintain for an indoor dog. Harley still goes outside when we walk, but he knows where his potty is.
In the US, UGODog and WizDog are two such products, personally I wouldn't pay that much for it, I made mine from scratch, out of a shoe tray and rubber mats, you can buy the grid mats at hardware stores. I keep promising to post pictures of Harley's I'll get a picture up as soon as possible.