Soft wash system second pump set up

CL Scott said:
What size pump are you using? The 7 gpm fatboy is about $250. Northern has a 5.5 for about 1/2 that. http://www.northerntool.com/shop/tools/product_200578583_200578583 What do you think?
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This portable setup is used mostly for spraying oxalic acid on rusty sidewalks and driveways and occasionally spraying sodium percarbonate on a wood deck or fence. I started with a Delavan 5 gpm pump and quickly changed over to a 2 gpm pump as the 5 gpm was way to much and caused a lot of waste and overspray.
 
HighTide said:
This portable setup is used mostly for spraying oxalic acid on rusty sidewalks and driveways and occasionally spraying sodium percarbonate on a wood deck or fence. I started with a Delavan 5 gpm pump and quickly changed over to a 2 gpm pump as the 5 gpm was way to much and caused a lot of waste and overspray.
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On the 5 gallon pumps what tips are you guys using?

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tcolborg said:
On the 5 gallon pumps what tips are you guys using?

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When I use a 5-6 gpm pump, I use the #40 size tips (0040, 1540, 2540, 4040). My current roof setup has a 4.0 gpm pump on it and I switched down to the #30 size tips.
 
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