Share 'Nutrient Agar'

I was wondering if you guys use nutrient agar instead of oat? I was thinking about to get some from amazon as it's cheaper than from the regular biological suppliers.I also tried months ago to make a corn stach agar but the Physarum didn't like it that much, but maybe I wasn't lucky...Also, if I use nutrient agar I need to clean up the Petri dish less often, right? Oats flakes rots quickly and th…