bathroom sink

Hey. I recently Changed my faucet everything seemed to go fine. During the drain installation i accidentally removed this plastic or silicone which i thought was maybe a gasket. That part is circled in red where there are still remnants left of what I pulled out. Do I need To do anything to that area now or just leave it?


secondly the drainer stopper from the new faucet is too big it seems as there is some standing water left. This is issue is caused Because the gasket is not level with the sink. I pushed down the stopper while i made the screws tight on the bottom and it still is not level. Would putting putty around the plate level things out so the water can drain?

Welcome to the forum!

Please take a long deep quiet breath, and state your issue again.

And please describe what you are trying to highlight in yellow.

..

EDIT

Sorry if I could not grasp your explanation.
My fault, not yours.

Others on here will be able to help you out, don’t let my grouchy pants discourage your quest.

I think you should try to putting putty around the plate level things out so the water can drain. Please go with that. https://www.callaghanpump.com/

I've found that some of the units that come with plastic drains don't really sit flush with the sink. If customer can't live with it I'll install a decent brass drain. I think it's just a design flaw.

If you used a rubber washer under the chrome flange, that has to be removed.
Only putty goes there.