In many cases, the success or failure of a filtration system is deter-mined before water is even pumped into the system. If the wrong product is selected or if the equipment is sized incorrectly, the filtration system will generally not provide op-limum performance. More maintenance is usually required and water and energy resources may not be used efficiently. In drip and sprinkler irrigation, the quality of the water being pumped into the irrigation system is the single most important factor 10 evaluate the product selection. When evaluating water quality, the source water, fluctuation in the source water quality, contaminant loading, water chemistry problems and suspended solids loading should be considered.
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