| 1. | Common eucalyptus species include pinkwood, hard water fern and soft tree fern.
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| 2. | In hard water areas, water softening plant may have been considered necessary.
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| 3. | _That stubborn soap scum in the sink could be hard water deposits.
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| 4. | Q : How-to books advise using a water softener on hard water.
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| 5. | Some studies correlate domestic hard water usage with increased eczema in children.
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| 6. | Captive-bred cardinals tend to adapt to hard water better than wild-caught cardinals.
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| 7. | Dishwashers are more effective in soft water than in hard water.
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| 8. | Hard water contains calcium ( and often magnesium ) bicarbonate or similar ions.
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| 9. | Purified water should be used for watering purposes, although'hard water'is tolerated.
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| 10. | Synthetic detergents are less susceptible to the effects of hard water.
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