Easy dawg. He's a homebrewer looking for advice on what is usually a hobby
repeating the process enough times...
Possibly, but his requirements differ slightly from the HVAC use of the
product and that could require cleaning methods that vary from the standard
Now *that's* a good suggestion and I am surprised it didn't occur earlier in
this thread. Of course, I see every job as a pressure-washer job since I
got my 1st pressure washer. On the high setting with the microjet wand mine
strips paints, stones out of concrete and paint off cars. Should do the
trick here if you can get the nozzle close enough to the crud. Might want
to soak it in warm water with a surfactant or degreaser and then quick rinse
to aid the pressure washing process.
If the OP can better ID the composition of the crud, the chemistry could
better matched to decrudding the unit. I would think the last thing you'd
want in a heat exchanger is a residue of baked on crud blocking heat
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