Of the commonly occurring chemical precipitates, lime (calcium carbonate) and iron (and manganese) are the most common in microirrigation systems. For information on ways to mitigate chemical precipitate clogging from these sources, click on the appropriate link below:
Lime (calcium carbonate)
Iron, manganese
For information on chemical precipitate clogging hazards associated with injecting fertilizers and other chemicals through the microirrigation system, click here.