For the Scotts 75243 DLX Broadcast Spreader, here are the suggested settings: Grass Seed Tall Fescue: Set the spreader to 5. Kentucky Bluegrass: Set the spreader to 6. Fine Fescue: Set the spreader to 4. Fertilizer General Lawn Fertilizer: Set the spreader to 5. Weed & Feed: Set the spreader to 4. Winterizer: Set the spreader to 6. These settings are general recommendations. It’s always a good idea to check the specific product label for any additional instructions or adjustments