A 9/13th drill bit should fit tight/snugly inside the opening when handle is pressed. Scotts turf builder edge guard DLX - set spreader to "4". The calibration line on the top of the shut off plate should be aligned with the back edge of the hopper opening." Or basically, pull the handle to open the hole, and watch for a small line on the black opener to be alighted with the green hopper. Scotts speedy green 2000 - Put it on "2" setting. In case anyone else needs to calibrate using scotts method: The two models are a "Scotts speedy green 2000" and a "Scotts turf builder edge guard DLX" I figure after all I have all the basic info then I can do the 10x10 tarp method. Can't find any info about their spread rates. They are assembled, and I calibrated them. These are speap-ish homeowner type spreaders but hey.free. This of course relies on you being able to identify the different types of turf and weeds that grow in your lawn.Ĭustomer just gave me 2 scotts spreaders. If you spread Pre-em in early March but you notice that crabgrass starts appearing towards the middle of July, you'll know that you need to apply another application of Pre-em about 2 to 3 weeks before you start to notice crabgrass starting to sprout. You can also make note of what works and what doesn't work. The reason for the records is so that the next time you need to apply material to your lawn you won't have to guess at what you did the previous time and have to start the calibration process all over again. Write down your actual spreader settings, the details of the material applied (annual rye grass seed, Scotts crabgrass preemergence 0-0-7, Scotts Southern Turf Weed and Feed 29-0-10, etc), the approximate speed that you walked and the turf conditions (wet grass, just cut, right before it rained etc).
The most important thing is to keep records.
If you cover 12,000 sq ft with a 9,000 sq ft bag then you know that you need to open the hopper a bit. If you're supposed to apply 50 pounds of material to 9,000 sq ft of lawn but you only cover 8,000 sq ft, then you know that you need to close the hopper up a number or two. You can dial it in exactly by knowing the size of the area that you are spreading on and then adjust the flow rate accordingly depending on how much material you're actually applying to that area. If you must use the spreaders that you acquired, then follow the spreader settings as outlined on the bag of material that you intend to spread. Why do you keep asking?Īt this point I recommend that you start with a Scotts SNAP Lawn Care System. Experts here have already told you that it's not pounds per thousand.