Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to build a dry well [title] Dig a 12-inch (30. 5 cm) deep trench from the area of standing water to the location of the dry well holding tank. [step] The trench should begin at ground level and gradually angle down to a 10 percent grade at the holding tank. [title] Enlarge the soil drainage test pit to fit the holding container.

Ending1: [step] Drill a 1.5 pound (47.6 ml) hole around the perimeter of the proposed trench. [title] Add coarse sand to the area to use as a well. Ending2: [step] The lip of the container should be 8 inches (20. 3 cm) below the surface after 2 inches (5 cm) of gravel is added to the bottom of the pit. Ending3: [step] Dig in the pit, and pack it tightly around the water area, making sure not to cover the trench. If possible dig at a non-slip ground base, often referred to as a compost pile. Ending4: [step] The plumbing tools needed can cost between $215 and $40, but are foolproof and reliable for keeping the water up and running consistently. [title] Excavate the soggy areas to a clay base in a well well ready for dry conditions.

Answer format: ending1/ending2/ending3/ending4