Borax is 100% natural and found in many common household and commercial products. It’s a basic ingredient of most DIY household cleaners. By adding half a cup of Borax to your laundry load you’ll boost the cleaning power of your laundry detergent. Other uses include cleaning mold and mildew. Great for cleaning violin strings. Perfect additional ingredient to you DIY home cleaner mixes for fruit and veg wash, floors, countertops, walls and outdoor furniture. Add some to vase water to help cut flowers stay fresher for longer.