I use Bar Keepers friend on my kitchen sink and it works really well. Until I run water.

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I agree with divadeva. More lights. If you can add pot lights do it. If they're already there add task lighting and up the wattage on the bulbs on the pot lights (replace with LED and you can make them brighter because the wattage on LED is lower for brighter light). If you have all of that add decorative lighting. If ventilation is an issue find a way to move the air around or add air filtration. Maybe the HVAC is deficient. Maybe you can add a HEPA filter instead of the standard one that comes with the unit. Call an HVAC specialist to see if there is a way to boost air flow in the room.

hi I bought an 18"by 18" black granite readymade sink to be used in my kitchen as opposed to stainless steel sink . what and how do I house it on the granite cooking platform to ensure that the weight of the granite sink can be taken . what supports would a granite stone sink need ?