Journal
Journal
Notes on water, testing and building a product in public.
Why VANNR is testing before making claims
We could copy the claims already circulating in this category. Here is why we are not going to, and what we are doing instead.
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Hard water and chlorine are not the same thing
Two different things in your water, two different causes, two different solutions — and a lot of marketing that deliberately blurs them.
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What a shower filter can — and cannot — do
Shower filters are sold with long substance lists and dramatic promises. Here is the honest version of what this category of product does, what it doesn't,...
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