Does anybody know any good sources for purchasing biochar? I want to use it to pull out some extra nitrates in a water filtration experiment.
I know I could make it; I just don't want to right now
"There is nothing, Sir, too little for so little a creature as man. It is by studying little things that we attain the great art of having as little misery and as much happiness as possible." - Samuel Johnson
This will take every ounce of my mental strength! All for a tiny ad: