*Boric Acid* `H3BO3`
aka *Hydrogen Borate, Orthoboric Acid, Boracic Acid*
It's a white, odorless, crystalline powder. Mild acid, but very useful as antiseptic, insecticide, and industrial chemical.
# *1. Main Grades*
**Grade** **Purity** **Use** **Notes**
**USP/Pharma Grade** 99%+ Medical, eye wash Safest, most refined
**Technical Grade** 98% Industrial, pest control Most common in markets
**Agricultural Grade** 98% Fertilizer, plant nutrient Contains Boron "B"
# *2. Key Uses*
1. *Pest Control - #1 use in homes*
Kills cockroaches, ants, termites. Cockroaches eat it and it destroys their stomach. Safe around humans when dry.
2. *Antiseptic & Medical*
Eye wash for eye irritation. Antifungal for athlete's foot. Ear drops. Vaginal suppositories for yeast.
Used in hospitals and