Monochue advice

Can you bed mesh with mono, scratch coat it then top next day I’ve always done it wet on wet but was talking to some renderers today and they said you can scratch it and top next day , is this right.
 
Can you bed mesh with mono, scratch coat it then top next day I’ve always done it wet on wet but was talking to some renderers today and they said you can scratch it and top next day , is this right.
That would be two coating which is just wrong.
 
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