the best remedy for a blocked drain isn't the usual chemical cleaner, baking soda or vinegar - but soda crystals, which work the "quickest." They suggested: "There's no need to call a plumber for ...
It's extremely common for drains ... baking soda is mildly alkaline; mix them up and they cancel each other out, producing some fizz but zilch in cleaning power. Repeated dousings of vinegar ...