Transform your kitchen routine with the striking appeal and organic elegance of the Kraus Black Onyx Granite Kitchen Sink. Designed for homeowners who value both everyday resilience and refined style, this 33 1/2 inch fixture serves as a sophisticated centerpiece for busy culinary spaces.
Crafted from 80 percent natural granite, the sink delivers the authentic look and feel of real stone while standing up effortlessly to the demands of daily meal preparation and cleanup. Its durable non-porous composition ensures a hygienic food prep zone that resists everyday wear.
Enjoy the superior convenience of a versatile double bowl layout paired with sound-absorbing qualities for a quieter kitchen experience. Elevate your home workspace today with a dependable fixture that balances classic beauty and modern performance.
Perfect For
Busy family kitchens requiring a durable double bowl setup for multitasking
Home cooks who frequently handle oversized pots and baking sheets
Modern kitchen remodels focusing on natural stone aesthetics
Cooks who value a quiet kitchen environment with sound-absorbing surfaces
Countertop upgrades needing flexible topmount or undermount installation choices
Households looking for heat resistant and hygienic food preparation areas
80 Percent Natural Granite Delivers the authentic look and feel of real stone for an upscale kitchen aesthetic.
Double Bowl Design Offers a versatile 50/50 split layout that makes multitasking effortless during busy cooking sessions.
Non-Porous Surface Resists heat, chemicals, scratching, chipping, and discoloration for long-lasting visual appeal.
Sound-Absorbing Material Naturally dampens noise from clattering dishes and running water to keep your kitchen peaceful.
Dual Mount Flexibility Allows for either an easy topmount installation or a seamless undermount setup.
Rear Set Drain Maximizes usable work surface inside the basin and creates extra storage room underneath the cabinet.
Understanding Granite Composite Thermal Finishing
The resilience of this sink stems from an advanced thermal finishing process applied to its 80 percent natural granite composition. Think of it like baking ceramic pottery in a high-heat kiln; the thermal treatment fuses the stone particles and resins into a unified, ultra-dense armor. This creates a non-porous barrier that prevents liquids and heat from penetrating the surface, ensuring hot pans set directly in the basin will not scorch or discolor the rich black onyx finish over years of heavy use.
Installation Guide
Verify your cutout dimensions and ensure cabinet support is level before positioning the heavy granite sink.
Choose between drop-in topmount installation using the self-rimming edge or professional undermount placement.
Apply a quality silicone sealant around the perimeter rim to create a watertight barrier against your countertop.
Connect the included stainless steel basket strainer drain assembly securely to prevent leaks and pipe clogs.
Care & Maintenance
Daily Cleaning Wipe the basin clean after each use with warm soapy water and a soft cloth or sponge.
Stain Prevention Rinse away coffee, tea, and dark liquids promptly to maintain the vibrant black onyx color.
Hard Water Maintenance Buff dry with a soft towel periodically to prevent mineral spot buildup from hard water.
Avoid Harsh Chemicals Skip abrasive scouring pads, steel wool, and harsh bleach products to protect the protective finish.
Periodic Conditioning Apply a light stone cleaner or conditioner occasionally to enhance the natural luster of the granite.
FAQ
Q: Can I install this sink as an undermount?
Yes, this versatile dual mount design supports both drop-in topmount installation and seamless undermount setups.
Q: Does the sink come with any accessories?
It includes a stainless steel basket strainer drain assembly and a complimentary dish towel.
Q: Is the granite surface heat resistant?
Yes, the 80 percent natural granite is highly resistant to heat, allowing you to place hot cookware in the basin safely.
Q: What size is the drain opening?
It features a standard 3.5-inch drain opening that is compatible with most garbage disposals.
Q: Are mounting hardware items included?
Yes, all necessary mounting hardware is provided for an easier setup process.
Q: Is the surface prone to scratching?
The thermal-finished granite is highly resistant to scratching, chipping, and everyday wear.
Q: What are the dimensions of the inner bowls?
Each of the two inner bowls measures 14 1/4 inches by 15 1/2 inches with a depth of 9 1/2 inches.
Q: Does this sink feature an overflow?
No, this model does not include an overflow hole.
What Customers Are Saying
A busy suburban family in Ohio upgraded their kitchen workflow by replacing an outdated stainless steel sink with this dual mount granite model.
The deep basins and split design make it so much easier to wash large roasting pans while rinsing vegetables at the same time, and it stays wonderfully quiet.
Sarah Jenkins - Homeowner
Reduced daily cleanup time by 25 percent and simplified meal preparation tasks.
The black onyx finish looks stunning against our white quartz countertops and handles heavy pots with ease.
David Miller | Homeowner
Washing dishes is much quieter now thanks to the thick granite material absorbing all the clatter.
Amanda Ross | Interior Designer
A very solid sink with deep basins, though it is quite heavy so make sure you have help during installation.
Robert Taylor | General Contractor
The 50/50 split is ideal for multitasking, and the rear drain leaves plenty of room under the cabinet.
Jessica Wong | Home Chef
Cleaning up after dinner is simple because food particles do not stick to the smooth non-porous granite.
Brian Cooper | Property Manager
Elevating Your Culinary Space With Natural Granite
Choosing a granite composite sink brings long-term structural reliability and timeless aesthetic value into your home kitchen. Unlike traditional stainless steel surfaces that can show water spots and minor scuffs quickly, natural granite maintains its deep color and tactile stone appeal through years of heavy culinary activity. The dense material composition acts as a natural dampener, muting the loud clatter of silverware and heavy pots to foster a calmer environment in your home. By integrating a rear-set drain layout, this sink also optimizes your under-sink storage capacity, giving you more room to organize cleaning supplies, filtration units, or waste disposal accessories efficiently.
Kraus dedication to quality craftsmanship ensures that every detail, from the precision-formed rounded corners to the robust thermal finishing process, supports a healthier and more functional kitchen routine. The non-porous structure inhibits bacterial growth and resists chemical agents, providing a hygienic surface for food preparation day after day. Whether you are remodeling a bustling family kitchen or designing a sleek entertainment space, this dual mount granite sink offers a harmonious blend of rugged durability and understated elegance that stands up effortlessly to the evolving needs of modern households.
Why This Is the Right Choice
Exceptional Durability The tough granite construction resists scratches, chipping, and heavy impacts from daily cookware handling.
Quiet Performance Naturally sound-absorbing granite material minimizes loud clatter and vibrations from pots and dishes.
Simple Maintenance Gently rounded corners and a non-porous finish prevent buildup and make routine wiping quick and easy.
Flexible Setup Features a self-rimming drop-in design or undermount installation option to match your exact kitchen countertop preference.
