How to get water stains off wood<br>Put mineral oil on a soft rag and rub it into the stain. Let it sit overnight and repeat if the stain seems to have diminished. Rub the stain with mineral spirits on a soft cloth if the mineral oil doesn't work.
Let the oil set for days before deciding if you should repeat
The agent clearly stated to let the oil sit overnight then decide if you should repeat. 
( z1 let :mxde imperative :ARG0 ( z2 you ) :ARG1 ( z3 set :ARG1 ( z4 oil ) :duration ( z5 multiple :op ( z6 temporal-quantity :quant 1 :unit ( z7 day ) ) ) ) :time ( z8 before :op ( z9 decide :ARG0 z2 :ARG1 ( z10 truth-value :polarity-of ( z11 recommend :ARG1 ( z12 repeat :ARG0 z2 ) ) ) ) ) )