How to resurface an acrylic bathroom counter top?

All those kits work for awhile, but your concerns are valid. They will peel once scratched. Cultured marble only had a 5 year life warranty. The paint will buy you time to save up for replacement.

https://www.hometalk.com/search/posts?filter=paint%20bathroom%20sink

I have had experience with the applied coatings. Don't waste your time and money, they scratch and peel, and in a short time will look far less attractive than the shell sinks do!

Consider saving up to get new countertops that match your taste.

it can be done but you will need to remove the faucet and drain hardware plus properly prepare the surface for adhesion. Go to StoneCoatCountertops.com for some excellent tutorials. I don’t represent them in any way but I have epoxied lots of countertops with terrific results using their methods. Easiest for someone new to using epoxy is to prepare the surface, prime with a high grab primer, and paint with whatever you decide is the base color you want. For a speckled stone look you can use the speckled stone look spray paint. Or sponge paint to look like granite. If you want a marble look, paint the base color with white and while it is still wet incorporate some mottled gray into it here and there— or do the same thing with black/gray or gray/black or gray/white. After that base coat is dry: However you choose to do the marble look, use a contrasting spray that creates random veining. It comes in white or black and when you spray it comes out like silly string and sticks to the surface. One brand is Montana Effect Marble Spray, another is by Krylon called Marbleizing spray I think. Cool stuff. Practice on a piece of scrap before applying to your surface. After marbleizing, thoroughly mask everything off, and add clear two part epoxy to seal your new surface. There’s an infinite number of color combinations to arrive at your finished product using epoxy, but you should be aware that because epoxy will flow thickly downhill, it is very difficult to achieve a look on the flat surfaces that you can replicate on the vertical ones simply by tinting the epoxy unless your idea is to tint the epoxy the same color as your paint or embrace that difference by tinting the epoxy a contrast color to the base paint. That is why I recommend that someone new to using epoxy—especially since your project is rather challenging due to the sink being incorporated into the countertop—achieve their design by prepainting then just clear coat in epoxy. Watch the videos at StoneCoat. If you choose to Use epoxy, shop around. Be prepared for drastic price differences that coincide with workability times and uv resistance. Some epoxies are cheaper but set up so quickly you may not get uniform results. All Epoxy will yellow somewhat over time—some more than others. Darker colors will not really change much but lighter colors may be more affected so if you decide to go with a white type color, consider using an art coat type epoxy. It’s more expensive but artists use it because they don’t want colors to be impacted by yellowing. I love my epoxy surfaces. They are impervious to water, look fantastic, and if coated with a satin finish poly coating such as Modern Masters Aliphatic polycarbonate clear coat, will be harder, more scratch, heat and uv resistant while hiding water spots and fingerprints. It also will hide some surface imperfections in your epoxy. My epoxy surfaces are like functioning works of art. People are blown away by them and every time I look at them I feel a sense of pride in the result. If you try it I’d love to hear about your experience and results! Good luck.

I found my new countertop and (separately) beautiful vessel sink for a total of $40.00 on craigslist.

This is just a thought -- I've not done it. My vinyl kitchen floor had lost its sheen and I was facing an expensive replacement. I searched Lowe's and they have a product : Zep High Traffic Floor Polish $25.00, 2 gallon. I put it on my vinyl kitchen floor about 2 years ago and its still shiny after many washings. I also applied it to the tile floors in bath and entry. As I say its just a thought, but I hope helpful.

Correction: oops! that's $25.00 for 1 (one) gallon.

For those of you who have tried treatments such as a epoxy or paint, I have a question for you. I have a similar sink and would like to change the look of it without replacing it. It's a double vanity of the same material. I'm wondering if you could recommend doing the horizontal and back splash surfaces, but tape off the sink area so that I don't have to deal with the unevenness of the curved surface during application, as well as wear and tear due to daily use in the bowl itself.

Just a thought: would the garage floor coating work?

I used a good primer, rustolium stone paint, and followed up with 3-4 coats of polyurethane. It’s holding up beautifully and it only cost me some paint....and lots of patience lol

I have the same shell sinks but double vanity, thinking about going with epoxy, my research shows this to be the most effective and long term - not peeling etc,