Thanks for the advice. I thought about removing and plugging that injector but wasn’t to confident. I’ll plug it/remove the orfice and switch to a male fitting when I have time this week.
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I believe all that is done already, plugged the injector barb and have a male QC per your and other’s suggestions. I’ll be fine, have a house Monday that has black mold on their chimney and some concrete cleaning. I just need to price things better.
Edit: I see you’re talking to Max…nm.
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Black mold on the chimney usually requires more than downstreaming. Most times an X-Jet will get it done though.
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The black mold, depending on how bad it is, you may need to hit several times with 5-10 dwell on each hit. don’t rinse till you see it breaking down with about a 30-40% mix, whatever insert that is with your xjet.
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This 
“plugged the injector barb”
@dcbrock No point in blocking that injector off and leaving it at that. Double-check that the insert INSIDE the injector has been removed (or drilled out if it doesn’t unscrew).
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What’s the purpose of drilling it?
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Less restriction/pressure loss
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Getting it out of the way of your flow. The majority of this cleaning stuff has to do more with flow than pressure. Just my 2 cents.
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More water flow.
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I will certainly have a look tomorrow.
All the above. You’re at 4GPM so you need all the flow you can get 
There is a secondary benefit for you as well. At the moment, you have no choice but to run through the injector - but if you drill it, you can remove the second injector when you’re surface cleaning or rinsing.
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