With these methods, you should be able to unblock your sink without a plunger. Remember to be patient and try a combination of methods if needed. Happy fixing!
If the clog is caused by hair (common in bathroom sinks) or solid debris, chemical reactions won't be enough. You need a tool to physically pull the blockage out. Professional plumbers use a drain snake (auger), but you can make one from a wire coat hanger. how do you unblock a sink without a plunger