How To Unblock A Sink - using bicarbonate of soda and vinegar. We saw  this in a Readers Digest book and thought we'd give it a go! Remember  kids - don't try this at home without supervision! ;O) The basic chemical reaction is "acid +base = salt + water + CO2".  If you try this yourself PLEASE let me know how you get on - maybe even with a video reply of your own? ;)

This is my first video podcast. I thought I would introduce myself by showing the video I originally uploaded on YouTube where it is has had over 73,000 views. It's not very long - but it is very popular!

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