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To determine how long to run your sprinklers, place several empty, straight-sided cans or cups at different distances within one zone. (Uniform coffee mugs work well.) Run the sprinklers for 15 minutes and measure the amount of water collected in each can. Calculate an average water depth and determine how long it will take to apply a Â½ to Â¾ inch of water. Example: Â· Â¼â average depth of water after 15 minutes â water 35-50 minutes in that zone. Â· Â½â average depth of water after 15 minutes â water 20-30 minutes in that zone.
So, do sprinkles expire? When properly stored, the shelf life of sprinkles past their sell by date or other printed date is ... This is regardless if they are open or unopened, as long as they have been sealed and stored properly. Sprinkles are good for 3 years beyond the code stamped on the bottle. Betty Crocker brand (actually made by Signature Brands) uses a code on the side of the plastic container instead of a use by date.