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Does anyone have a great experiement to show Surface Area to Volume Experiement that IS NOT the bromothymol blue or phenolphthalein Agar Cube Experiment.
We've done this one in the past but the increased cost of spuds and then the cost to dispose of all the iodine has driven us back to the phenolphthalein agar prac instead. My predecessor, for some reason, wouldn't make the agar so they'd started doing the potato method instead. The last couple of years we've gone with the much cheaper option of the agar.ELIZABETH wrote: ↑19 Feb 2024, 10:00 Potato cubes in iodine....works really well.
https://www.google.com/search?q=surface ... uZq9mAU_28