Quote:
Originally Posted by jrref
Because when we don't get rain and the pond water gets very dirty, you can clean or change all the filters and the next time the system runs they are all clogged again. We had this problem recently and it lasted about a month when we didn't get rain for a long time.
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To clarify, I think it is a good idea to install a filter in the main irrigation pipe, if you need it. But, every nozzle has a cheap plastic filter that is worthless. Those filters don't do anything but cause the nozzle to clog and stop working. It is a waste of time to remove and clean a filter whose only purpose is to protect a 2 dollar nozzle from breaking. If a nozzle breaks, just screw in another one.