Box says easy. This looks very complicated. Will try and post as I use it later
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Exactly. I pre-ordered one that should be coming shortly, but I'm actually contemplating whether I'll want to open it or not. My nitrates are likely always higher than the range (so I'd have to do the dilution step).They need to make a high range one.
I been doing the calcium for two years now and I still have to watch the video every time I use it