Sprinkler leaks ceaselessly seem to be as soggy spots, low stress, or bubbling at heads
https://martinhihk760.nexorafield.com/posts/lengthening-system-life-advanced-sprinkler-maintenance-best-practices
Sprinkler leaks most commonly appear as soggy spots, low stress, or effervescent at heads. Inspect risers, lateral lines, and valves, then fix cracked fittings to restoration method performance.