Plant water is used from the water is good or bad depends on the pH level of the water. If the pH value is too high or low, will cause the water plant growth is not good.
Water plants take nutrients from the water, good or bad, depending on the pH level of the water, if the pH of the water is too high or low. It makes plants grow poorly.
Water plants to use nutrients from water well or not, depending on the level pH of water. If the value of the water pH too low or too high to make water plants grow well.