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Lab Hard Water Vs Soft Water Is There a Difference Background-Water is a universal solvent Natural water contains minerals necessary for all plants animals and people The content of minerals decides the water quality and hardness The degree of Hardness is measured in PPM calciumwwwcilong Soft water contains less than160 PPM slightly hard water contains 160-320 PPM and very hard water is above 460-PPM The advantages to hard water- healthy to drink and has firming effects on fruits and vegetables Disadvantages- corrosive to pipeswww Nielson Tomatoes-belong to the family solanceae It is classified as Lycopersicon esculentum Donald Easy Gardening Take at least 45 days once planted till harvest Native to the Andean regions of South America It was once thought to be poisonous tomatoes have become one of the most widely grown and commercially important vegetable crops They are cultivated annually in most regions of the world and are a valuable source of vitamins particularly vitamins A and CBaker Vegetables Hypothis- I feel the hard water would have had taller plants Materials- tomato seeds potting soil 3 of the same pots access to hard soft and Poland Spring water large spoon tape and marker Procedure- 1 Buy the materials- one bag of scotts potting soil tomato seeds bottled water and three identical plastic pots 2 Plant 6 tomatoes seeds in each pot 12 inch deep spaced evenly 3Mark each pot with the tape and marker as to which is soft hard and Poland Springs water 4 Water each pot with equal amounts of water one with hard water one with soft water and one with Poland spring water a pint for each container 5 Put all three in equal sunlight place right next to each other on a window sill 6 Water every other day with equal amounts of water if the plants need more water give them all equal amounts Analysis- the soft
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