Using this Moonlight basin is simple. Just install it on the wall as per the provided instructions. If you choose the optional mixer, connect it carefully to ensure a proper water flow. For the bottle trap, make sure it's correctly attached to prevent leaks. When it comes to cleaning, use a mild soap and a soft cloth to wipe the solid - surface finish. Avoid using abrasive cleaners as they may damage the surface. If you've requested a custom tap hole, check the area around it regularly for any signs of water seepage. Also, keep an eye on the WELS - rated mixer to ensure it's working efficiently and conserving water as expected.