3. Position
the grindstones over the board, making sure their holes match
up with the hole in the board and with the pump. Fill the liner with water.
4. Plug it
in. Connect the pump to an electrical source, adjusting the water
flow as desired. Use a flow restricter if needed. Conceal the ends of
the board with mulch, rock, or spreading plants, making sure soil doesn't
get inside the liner and muddy the water.
5. Care.
Add water to the liner as needed. The pump will recirculate the water,
but if water evaporates or runs off, it can burn out the pump. Remove
the pump before the first freeze in the fall, then set it back in place
each spring.
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