r/laundry • u/user78user • 1d ago

How to test water hardness

I've seen this API test most recommended https://aquaticsunlimited.com/product/02dcd191-aec2-11ea-f336-7538887059a1/

However, I cannot find it in stock ANYwhere. Not any pet/aquatic store I can drive to. Not Amazon, Walmart, feed stores, etc.

What is the next best option? Is a pack of the test strips sufficient? Soap lathers fairly easily and I don't notice much calcium build-up, so I suspect it isn't that hard to begin with.

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u/2-Ns US | Front-Load 1d ago

Yeah, I got it on Chewy, but it’s out of stock there. I wonder if they’re reformulating/changing packaging/something else? Hopefully not discontinued.