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Never use harsh, abrasive cleaning compounds or those which contain acid, such as vinegar, bleach and similar products. 3 WARNING: Protect your water conditioner and the entire drainline from freezing temperatures. DANGER: If your unit should freeze, do not attempt to disassemble it. Call your Culligan Dealer. 4 The timer is very accurate. Keep time-of-day setting correct to assure recharging at the proper time. 5 Should service, adjustment or trouble-shooting information be needed which is not