I landed a job today the job is soft wash Cyprus siding house story and a half 2500 square feet I ordered the 4 pack gallons stuff and I picked up a 40 gallon tote with a 2.7 gallons per minute pump on top I have another customer owns a duplex and she's going to let me soft wash the roof only half of it so the rest of her neighbors which they are 70 duplexes in this complex so they can clean their roofs too show them what a clean roof looks like and trying to figure up some yard signs and how do you figure up a 3% mix