Blocked kitchen sink in Barcelona: how to unblock without damage
Riesgo bajo · puedes intentarlo
Resumen rápido
80% of kitchen sink blockages are in the trap.
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¿Qué está pasando?
Blockages build up in the trap under the sink.
Causas más probables
Grease in the trap
altaPouring oil down the sink is cause #1.
Food in the strainer
altaRice, pasta and coffee grounds swell.
Communal stack blocked
bajaIf neighbours share the issue it's the stack.
Pasos de diagnóstico
- 1
Try hot water + baking soda
Pour baking soda and vinegar.
- 2
Remove the trap over a bucket
Trap nuts loosen by hand.
⚠ Parada de seguridad: Don't force with a wrench. - 3
Use a snake if deeper
Use a manual drain snake.
Cuándo llamar a un profesional
Call if water still won't drain after cleaning the trap.
Want us to take a look? Fixed quote within 24 h.
Coste orientativo
60–150 €
Call-out and mechanical unblocking.
Contexto local
In Barcelona older buildings have cast-iron stacks.
Preguntas frecuentes
Does caustic soda work?
Only for localised grease.
How fast can a plumber arrive in Barcelona?
Same day during working hours.
Related problems
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Same-day diagnosis and quote across Barcelona.