Dilute using 100:1 ratio in warm tap water. This one liter bottle of ultra-concentrated All Purpose Probiotic Cleaner makes as much as 26 GALLONS of ready to use cleaning solution. 1) Shake concentrate well before diluting. 2) Add one teaspoon (approx. 5 mL) of concentrated All Purpose Probiotic Cleaner for every 16 ounces of clean warm water. Use a higher dilution for heavily soiled areas. 3) Gently shake the new diluted solution in a spray bottle and spray on any washable surface and wipe clean with a cloth. 4) For heavily soiled areas, allow solutions to sit for up to 20 minutes before wiping and/or use a scrub brush instead of cloth. NO RINSING REQUIRED / DOESN'T STREAK GLASS OR MIRRORS! NOTE: The probiotics in the solution will continue to clean the area for up to 72 hours or more. Shake well before each use. Dispose of any unused diluted solution after three days. Clean spray bottle thoroughly before storing or refilling.