All I know is that the results that I've been getting back from the labs are returned in ppm... is that trace level? I spoke to someone today and they said you may be able to use reagents to do the trick, anyone know?
Thanks for your comment pixel01
Vito
Hi Guys,
Sorry for dumping this thread in here, I really wouldn't know where this would fit...
I'm a farmer in Australia and I'm trying out these really simple devices to measure nutrient levels in my soil, they're basically a ceramic container with a small hose that gets buried into the...