9WaterpiCleaningNever immerse unit in water. Before cleaning, unplug from the electricaloutlet. Clean the product when necessary by using a soft cloth and mildnon-abrasive cleanser to wipe exterior.The water reservoir is removable for easy cleaning and is top rackdishwasher safe. It is recommended that the reservoir is removed andcleaned weekly.Removing Hard Water DepositsHard water deposits may build up in your unit, depending on the mineralcontent of your water. If left unattended, it can hinder performance.Cleaning internal parts: add 1 tablespoon of white vinegar to a fullreservoir of warm water. Point the handle and tip into sink. Turn unit ONand run until reservoir is empty. Rinse by repeating with a full reservoir ofclean warm water.This process should be done every 1 to 3 months to ensure optimalperformance.Battery Care and DisposalIf the Water Flosser is to be stored for an extended periodof time (six months or more), be sure to fully charge itprior to storage. The unit contains a Nickel Metal Hydridebattery. At the end of the battery life, please recyclethe unit at your nearest recycle center per local or staterequirements. The battery is not replaceable.Service MaintenanceWaterpik ® Water Flossers have no consumer-serviceable electricalitems and do not require routine service maintenance. For all parts andaccessories go to www.waterpik.com.You may also call our toll-free customer service number at1-800-525-2774 (USA) or 1-888-226-3042 (Canada). Refer to the serialand model numbers in all correspondence. These numbers are located onthe bottom of your unit.Still have questions? Go to www.waterpik.com.Water Pik, Inc. warrants to the original consumer of this new productthat it is free from defects in materials and workmanship for 2 years fromthe date of purchase. Consumer will be required to submit the originalpurchase receipt as proof of purchase date and if requested, the entireproduct, to support a warranty claim. Water Pik, Inc. will replace at itsdiscretion any part of the product, which in its opinion is defective,provided the product has not been abused, misused, altered or damagedafter purchase, was used according to instructions, and was used onlywith accessories or consumable parts approved by Water Pik, Inc.Installation is the responsibility of the consumer and is not covered bythe warranty. This limited warranty excludes accessories or consumableparts such as tips, etc. Use with improper voltage will damageproduct and VOID warranty.This warranty gives you specific legal rights. You may also have otherrights that vary, depending on the law in your place of residence.LIMITED TWO-YEAR WARRANTY