Home remodeling, like an earthquake, dramatically changes what it feels like to sit in one's bathroom. Update water closets and avoid natural disasters with today's Groupon: for $25, you get $50 worth of plumbing supplies at North Shore Plumbing Supply in Flushing.

North Shore Plumbing Supply stocks more than 10,000 plumbing supplies and employs a staff of experts to help guide homeowners through indoor irrigation projects. In addition to providing a full arsenal of plumbing equipment, North Shore Plumbing Supply can obtain products for customers working on specialty projects. Each faucet and fixture they sell carries a full factory warranty and is guaranteed to be brand-new in its original packaging. A complete line of Kohler products includes bathroom-beautifying items such as a white, round self-closing toilet seat ($40) and a Caxton bathroom sink ($49.99). Homeowners can also peruse through avenues of aquatic appliances including the Cuno Aqua Pure Easy CS filtration system ($96), which helps to remove sediment and chlorine taste from drinking water. Meanwhile, the 8-inch Matco rain showerhead ($122) and the handheld Jalco S438 ($111) offer full rain, massage, and nebulizing mist settings that help to make morning showers more invigorating and afternoon water fights more complex.