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Roland writes,

High Pressure vs Low Pressure

I read some of the labels and most of them stated use Low Pressure. What's the difference between the two? Second part question, I started doing Termidor treatment around my house, I was wondering if I could use high pressure (pressure washer connect to Termidor mixture in 100 gallon drum) for the concrete after I have drilled the holes? Thank you in advance.


When a product label says to use low pressure, it basically means using a hand pump sprayer or hand pump backpack sprayer, or even a hose end sprayer.  These sprayers are typically between 20 and 60 p.s.i.  High pressure on a product label usually means you can use it from a larger spray tank with a gas powered or electric powered pump which is usually 80 to 120 p.s.i.  A pressure washer connected to a 100 gallon tank would definitely be a high pressure application which is fine for a Termidor treatment.  You can definitely use it to treat the drill holes in your concrete, but just be very careful about back spray.  It is common for the spray under that much pressure to come shooting out of the hole.  Most termite companies have a stopper at the end of the spray wand to prevent the spray from coming back in their face.  So please be careful.

Answer last updated on: 05/11/2011

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