Oh my god, the amount of ants that were in that small space is crazy, it's good that you had doubts and decided to check.
I'm glad you were able to solve it relatively easily, it was something very unexpected but thanks for sharing it here, really very peculiar
Sin duda alguna ha sido algo sorprendente e inesperado, creo que sí no hubiese sido curioso, no habría solucionado el problema.