Sprinkler heads sinking?
Was wondering if anyone has had an issue with sprinkler heads sinking low in the ground after about 5 months? I bought donuts for them when we first got here, but they seem to be an awful lot lower now. I mean, they still just make it over the grass level to function, but did you have to raise them? Is this a normal thing after the sod takes and grows? If so, can anyone recommend who may do the job, I have 39 of those sprinklers and would not relish doing the job myself. Thanks for any input you may have on this.
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