41.   I think the stain is from oil.

42.   If the Minwax stain is water-based, it might be due to that.

43.   I know it leaks because there are stains on the ceiling below.

44.   If there is no stain, you can use chemical paint remover to remove the varnish, but this is not necessary.

45.   If the cloth is not clean, there are rules about which stains are insignificant and which require another seven-day period of cleanliness to begin.

46.   If the old stain is less than five years old, wait another year or two for it to wear off and weather before trying the semitransparent stain.

47.   If the stain is damp, the absorption will be greater.

48.   If the stain is dry, there will be little absorption.

49.   If the stain is gone, refinish.

50.   If the stain is quite dark, apply a stain killer such as latex-based Kilz first.