How to spray chemicals

So, this is something I for some reason have struggled to figure out even after researching quite a bit here and on Youtube. I cant figure out how i’m going to spray my chemicals, As the SH I have is 10.5 percent and my pressure washer dilutes it 10 water to 1 chemical, so Im getting about 1 percent spraying onto the concrete which just isn’t strong enough for concrete. I have tried the little chemical sprayers on my driveway, but that takes absolutely forever. What is my best option here? Should I get an xjet? Or is there a better way to be doing this?

x jet or 12v pump

How exactly do the pumps work? Dont you have to buy a whole kit? If so do you mind linking me one that is good for starting out

https://texas-pressurewashing.com/air-diaphragm-softwash-system/

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https://www.northerntool.com/shop/tools/product_200833069_200833069?fbclid=IwAR0hJZD4rEGxasMYvaXittUb6D6gHDAtcgeVIRxmvf512j5dUQidHa58uiY

If your just starting out and looking to cut costs, get an atv 12v sprayer on the cheap or get a pump sprayer. When you get a few jobs in, then buy a 12v system or whatever. I bought stuff when I started that I thought I would need and really haven’t used much.

The things I use the most other than PW, hose, and gun are : tape, pump sprayers, spring clamps, and sanders.

The thing I use the most that I didn’t buy are plastic bags from the grocery store. Every job, painting, staining, or slinging SH, I use a bunch. I have tons of them on my rig and in my garage. Can never have enough. What do I bag, lights, doorknobs, cameras, cats, dogs, birds etc. They all get a wrap of tape around them and I double bag just like when I was dating.

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I threw together a portable, handheld 12v for about $100. Everything is contained in a plastic ammo box. It works for basic chem application, not meant for serious stuff like roofs.

What are you trying to accomplish? I wash concrete everyday and don’t pre or post treat with anything more than my DS injector.