Hypothesis: If there is borax in our soil, then the soil will burn with a green flame. No green flame. Mixed boxed Borax from the grocery store into the dirt, still no green flame. Finally, poured straight boxed on top of the dirt, no green flame. Conclusion: from son, "Too much salt mixed with boxed borax?" I thought it was pure Borax. Now we're looking up sodium tetraborate decahydrate. It is 20 Mule Team Borax, which is what we were using, is 100% Borax. Borax is made out of a naturally occurring mineral composed of sodium, boron, oxygen and water.
