Blanco 511-607 Diamond 1-3/4 Bowl Kitchen Sink (Anthracite Finish)

I got this sink in black anthracite. When it came out of the box, and especially after installing it, it was discolored from grout and other stuff. I was worried sick that it wouldn't look nice, especially when soap and water failed to make it a nice black again. But after checking a small test area, I rubbed a little WD-40 onto it with a paper towel, and voila, it looked like new and has stayed looking new for weeks. I've hardly ever had to clean this sink, unlike the old porcelain sink it replaced, which had to be cleaned almost daily with Bon Ami. It is beautiful looking and requires very little care. What more can you ask for?

We purchased the black sink two years ago to go with our new granite counters. It looks very nice but it does need a little upkeep, long term, the color will look a little washed out and discolored with constant use, but with a good scrubing and some polish you can bring it back to its just new look. I got a product at a local hardware store called Marble and Granite Magic, and after a good scrubbing I apply the spray and the sink is back to new looking. I do this periodically and I can still get it to look new. I have also tried furniture polish or even vegetable oil, it is usually enough to give it back its original sheen.

We bought a Silgranite black sink after admiring it at Home Depot several years ago. We thought surely the products to maintain it would be easily available but found differently. Most sellers of Blancoclean were commercial tile places and many did not sell to the public. Since the first week we installed the sink it did not retain its beautiful black luster. We fortunately bought several bottles of Blancoclean when we purchased our sink because it has not been readily available, even on the internet, until recently. There was also a Blanco Silgranit luster type polish in the Home Depot literature, which we have never found, and no longer see on the internet. We do regularly use Blancoclean and keep the sink wiped and free of debris but the shine is gone. Maybe a lighter color sink would not look so dried out and tired.

Be careful using products with petroleum distillates such as WD-40 since they could damage the sink and void your warranty. Read the warranty, ours said using any products other than Blanco would void the warranty. I suggest wood oil or beeswax since they are essentially food products and do not void your warranty. The catch is they do not last. I do not recommend buying a Blanco composite sink if you want a nice shiny area that sparkles with your nice granite counter tops. Our old stainless sink polished up very nicely since we did take good care of it and I wish I had it back. Without a lot of maintenance and oiling on the Silgranite you end up with a rather dull featureless black blob on the counter. I am really surprised not to see more negative reviews on the black sinks after this experience. Blanco's customer representatives would do nothing more than send us an email with a list of local retailers. From that list most no longer sold Blancoclean, did not sell to the public, or never carried the product. All this pain when Softscrub on a stainless sink looks so good is just ridiculous. Blancodiamond 511-612 Silgranit Sink (Color: Anthracite)Kitchen Sink Under Mount by Blanco - 511-707 in AnthraciteBlanco BLANCOCLEAN Composite Cleaner 15 oz - 406-200/406-200