Option Explicit
Sub del0()
Dim lr As Long
lr = Range("A" & Rows.Count).End(xlUp).Row
Dim col As String
col = InputBox("Which column do you wish to review?")
Dim i As Long
For i = 1 To lr
If Cells(i, col) = 0 Then Cells(i, col).ClearContents
Next i
End Sub