Clean clogged sprinklers
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Photo 1: Soak sprinklers in rust remover
Fill a freezer bag half full of CLR or a similar rust remover and drop your sprinkler into
the bag. Swish it around occasionally to distribute the solution. Remove the sprinkler
after 30 minutes and rinse it in clear water.
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Photo 2: Spray with silicone
Spray silicone on the cleaned-up sprinkler to lubricate the parts and
to prevent iron and mineral buildup.
If you have a lot of iron or other minerals in your water, then you know the
problem. Iron builds up on the working parts and in the holes of sprinklers.
Impact sprinklers like the one here can quit working altogether. A simple soaking
in a rust-removing solution followed by a spritz of silicone lubricant will
rejuvenate your sprinkler. We used CLR Calcium, Lime and Rust Remover, but other rust-removing solutions will also work. Soak
the sprinkler for about 30 minutes (Photo 1). Then remove the sprinkler and
clean off any remaining mineral or rust buildup with a brass-bristle brush.