day in and day out we use anywhere from 1gal RTU solution pr 200 to 600sf depending on soil conditions
on occasion we may HOSE down a salvage rag at 1 gal pr 100sf
The HF electric 3gal sprayer is the closest thing to "perfect" we've found for "our" average job needs
http://www.rotovaccorp.com/sprayers-hydroforce.html#73
Matter of fact, I just ordered a new one now.
Our's is looking a little rough around the edges after several years of crew abuse.
It still functions A-1, ( I replaced the pump last year) and will be used in empties,
but it's not quite up to par anymore for our "high end" double wide cly-antz
I also called the dude to make sure the one listed for $259 was the one with good gunjet and brass extension and not the one with POS poly wand that sell for at that price.
he assured me it came with the good gunjet.
We'll see when it gets here
Our Multi-Sprayer only gets used now a days for protectant, deo/sanitizers, specialty etc
or when we run into the occasional unit w/o power
Greeine outta buy the shells HF uses and start putting 100psi hi-flow pumps in 'em
Maybe he'll have better luck than me.
I tried years ago to use a 100psi porty pump.
They're all demand type pumps and i just couldn't make 'em work right reliably for very long.
Maybe a fire hose flow jet would make a difference, I donno??
..L.T.A.