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Water Filter Guru We Use Quantitative Data, Original Research, & Expert Insight to Test Water Filters

31/10/2025

Reverse osmosis filters can be pricey upfront, but did you know they’re way cheaper to maintain? Here’s why the long-term cost matters more than you think when choosing a water filter system.

Full Video: https://youtu.be/gieWndiEgPE?si=Uh9SWDvcm8IUD6wW

30/10/2025

Most people in the U.S. use 70 gallons of water a day—for everything! If you're open to a non-tankless option, check out the Cloud RO. Great filtration, built-in remineralization, and tons of smart data through its app.


Full Video: https://youtu.be/gieWndiEgPE?si=Uh9SWDvcm8IUD6wW

29/10/2025

The high production rate is great in certain cases, the filter change reminder on the faucet is super helpful, and I love the 2-year warranty upgrade. But it’s not all perfect — here’s what could still be better.


Full Video: https://youtu.be/gieWndiEgPE?si=Uh9SWDvcm8IUD6wW

29/10/2025

To keep results consistent, we used metric measurements, glass stir rods, and short air contact. Each 500 mL beaker was mixed the same way, filled into vials, sealed, and shipped the same day for testing.

Full Video: https://youtu.be/DlF2sBJcbkw?si=pi_f9QoqWw0yhTTp

28/10/2025

Since there’s no exact standard for lemon water, we picked a balanced amount — 10 mL of fresh lemon juice per 500 mL of water. It’s right between half and one lemon per glass, perfect for fair testing and easy comparisons.

Full Video: https://youtu.be/DlF2sBJcbkw?si=pi_f9QoqWw0yhTTp

28/10/2025

I tested the Waterdrop X12 after hearing reports of contaminants in another model. While we didn’t find dichloromethane or xylene, we did detect antimony — a toxic metal — in small amounts. Here’s what I found and what might be causing it.


Full Video: https://youtu.be/gieWndiEgPE?si=Uh9SWDvcm8IUD6wW

28/10/2025

Online advice for salt sole varies a lot — some say a full teaspoon per 8 oz, others say start small. For fair comparison and realistic use, we scaled the smaller “starter” amount: 2.6 ml per 500 ml of water. Enough minerals, not a salt overload!

Full Video: https://youtu.be/DlF2sBJcbkw?si=pi_f9QoqWw0yhTTp

27/10/2025

We made sure every change we measured came only from the products — not the water. Using two gallons of distilled water, we poured 250 ml from each into every sample beaker. That way, everything started from the same clean baseline.

Full Video: https://youtu.be/DlF2sBJcbkw?si=pi_f9QoqWw0yhTT

27/10/2025

This reverse osmosis system seriously impressed me. Great at cutting out contaminants and it comes with a built-in remineralization filter—no extra steps or parts needed. Clean, mineral-rich water right from the tap!


Full Video: https://youtu.be/gieWndiEgPE?si=Uh9SWDvcm8IUD6wW

27/10/2025

Before we could start testing, we had to make sure our doses were right. We made a “sole” (a saturated brine) by mixing pink Himalayan and Celtic sea salt in distilled water until no more salt dissolved. Easy but essential!

Full Video: https://youtu.be/DlF2sBJcbkw?si=pi_f9QoqWw0yhTTp

26/10/2025

Before testing any remineralizing method, we had to get the dosing right. For pink Himalayan and Celtic sea salt, we made sole — a fully saturated brine created by dissolving the salt in distilled water until crystals stopped dissolving.

💧Simple, natural, and ready for testing!

Full Video: https://youtu.be/DlF2sBJcbkw?si=pi_f9QoqWw0yhTTp

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