Yes, all natural stone is porous and will require a specialised stone sealer to combat against staining. MJG Stone can organise this through a trusted sealing company offering a 10year limited warranty. The cost of sealing is minimal. In the past customers have been turned off using a Natural stone for their benchtops due to fear of staining. This is not the case anymore with the range of new age sealers available to the market customers can rest assured of a easily cleanable and useable benchtop.