Sprinkler leaks generally look as soggy spots, low force, or bubbling at heads
https://garrettooui587.huicopper.com/sprinkler-maintenance-checklist-for-each-season
Sprinkler leaks occasionally show up as soggy spots, low pressure, or effervescent at heads. Inspect risers, lateral strains, and valves, then restoration cracked fittings to fix technique performance.