How to Use Zero Water Tester

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The tester measures Total Dissolved Solids (TDS). That’s everything from calcium to rust particles floating around. Think of it as a social media follower count for your water—except lower numbers are actually better.

Zero Water’s magic number is zero. When you hit that sweet spot, you’ve got water purer than most spring rains. Fun fact: according to the company, their filters can reduce lead and chromium to undetectable levels. That’s like installing a tiny bouncer for your kitchen faucet.

Step 1: The First Reading (Before You Filter)

Start with a baseline. Fill a glass straight from the tap and dip the tester’s metal tip into the water. Don’t submerge the entire device—just the bottom half-inch. The screen will flicker and then display a number. That’s your TDS level, measured in parts per million (ppm).

For reference, typical tap water runs between 50 and 500 ppm. Anything above 200 might taste a little chalks, while 50 or below is what bottled water companies dream of. Testing your unfiltered water is the before photo of your drinking habits.

Step 2: The Filter Dance

Now, pour that same water through your Zero Water pitcher or bottle. Let it trickle slowly—no rushing the filter. Patience here is a virtue, like waiting for a good espresso shot to pull.

Once filtered, test again. Dip, wait, and watch the number drop. If it reads 0 to 5 ppm, you’ve won. If it’s higher, your filter might be exhausted. A good filter lasts about 40 gallons or two months, depending on your water quality. Change it like you’d change a gym playlist—before it gets stale.

Getting fresh water with the ZeroWater filter jug - Chilling with Lucas