4. There are rain showerheads that are designed to conserve water, but many models can use a large amount of water, compared to conventional low flow showerheads that use as little as 1.5 gallons per minute. Run with all hot water first for a minute or so. Hard water isn’t harmful, so showering under the water won’t hurt you, but you may find it irritating once the holes are blocked and you will find...
