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Am wanting to take before and after shots of our work but photos of hoods are yellow tinted. I'm not sure what causes it since the hoods are clean. How do you take photos without the tint? Is it the hood lights?
A few years ago I started a thread on this forum about a two line foamer I designed. I used it for a couple of years and switched to keg sprayers and haven't looked back. They are so much more convenient and faster.
I use a 5 gallon keg for downstairs and a 2 or 2.5 gallon for the roof. I use stainless fitings. I drilled a hole in the lid and put in a valve stem, the kind that has a nut that screws down. I use about 5 feet of 1/4 inch goodyear rubber airhose, and yes you need to replace it every 8 or 10 months. For my trigger guns I use front feed pressure washer trigger guns from Dultmeir with stainless parts and viton seals. I have a two foot wand with a variable nozzle that can go from stream to spray. I converted a 100 lb propane tank to an air tank and put about 125 psi. into it before the job. I carry the tank in the trailer with me and never run out of pressure. A small portable compressor would work but more could go wrong. I fill the kegs until the pressure relief valve opens.
Under no circumstances use plastic ball lock quick connects. Buy the stainless, Ebay is your friend.
It was people using my plans to build foamers with brass parts instead of stainless that forced me to delete those plans. Your eyes are worth a lot more than a few bucks.