@RDspaguy - just watched your video!
Congrats on the culmination of all your hard work!
I Have a couple questions...
Did u bring the tub up to temp & have it @ shock level during the purge?
Also I wonder if you could have still used a dab more Ahhsome to compensate for your hard water? As I usually get copious amounts of foam with minimum dosing for my volume & low ch water.
Also a tip for future purges- i use a fine mesh skim net to scoop the funk filled foam - it works pretty well as u aren’t “chasing” the funky bits & don’t have to touch them

Still need to wipe the sides as well but I find I don’t use so many paper towels.
Then when i have scooped most all the foam & it dissipates I then add another 1/2 dose & purge again. Sometimes the 1st purge comes out pretty clean but that second one - wowza! Here’s an example of one experience
I posted in another thread last night but decided to start my own thread as to not hi jack that one. Here’s what’s happened— 5/2/20: I wanted to point out something that happened as I went about my ahhsome flush. My water is 6mos old. This is the longest I’ve ever been on a h20 changeout. I...
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