I want to do the funky liquid yeast thing again, but this time, I am going to do what all the cool kids are doing and make a starter.
I can think of no better way to make a yeast starter than with powerful magnets, so built a magnetic stir plate along the lines of this.
Mine's a bit different. Here's a pic of it with the lid off:
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| From Beer Equipments |
Rather than faff about with trying to get the magnets centred on the fan by trial and error, I cut a piece of Veroboard (matrix PC board) to size and centred it on the fan. I then determined the optimum magnet spacing for my stirbar by letting the magnets stick to the stirbar wherever they wanted and transposing this to the Veroboard. I made a little wire jig to hold the magnets in place while glueing them.
It's a wee ripper! Here it is demonstrating how it can stir the last 1.5 litres of Melbourne's potable water supply:
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| From Beer Equipments |
