Here’s the best part: you don’t have to think about it. Once it’s installed (super easy, I promise — just cut your tube and push it in), it just sits there. It’s like a quiet, loyal pet that never needs feeding.
It has a digital display that shows the exact TDS number. Not just a light. You can watch the number drop when your filter kicks in. It’s weirdly entertaining? I once watched mine go from 250 to 12 and texted my friend a photo. He didn’t care. I still cared.
The display tilts, too. So you can angle it for the best view. It’s like a tiny, helpful robot that just wants to be seen.
LDM-100R – hmdigital.com
But Is It Perfect? (Spoiler: No)
Nothing is perfect, right? The PM-2 is great, but it’s not a miracle worker. It doesn’t tell you what the solids are. Just the total amount. So a high reading could mean good minerals or bad stuff. It’s a purity monitor, not a personal chemist.
Also, the external in-line design means you need a tube system. If you’re drinking straight from a pitcher or a Brita, this isn’t for you. This is for the serious folks with under-counter filters or DIY setups.
And the installation? I said it was easy, but I also have the hand-eye coordination of a sleepy sloth. You’ll need a little muscle to push the tubing on. But once it’s on? It stays on. Forever.
