My big cloner has 35 holes, but I usually only run it in the spring when I’m gearing up for outdoor. I needed something smaller for “everyday” use.
This is the “Kitty Litter Cloner”
They work real well, and they’re very inexpensive to build.
I bought a 550 GPH pump from Amazon for $20.
When I went to find that link I saw they have a 2-pack for $30. I’m getting a couple more. 
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