TDS Meter [check your brewing water & double check your filter]… $5.99 + Free Prime Ship

TDS Meter, Water Quality Tester Filter Pen, Accuracy Testing Water Quality for Drinking Water Purity Test, Swimming Pools, Aquariums, Etc.

TDS Meter, Water Quality Tester Filter Pen, Accuracy Testing Water Quality for Drinking Water Purity Test, Swimming Pools, Aquariums, Etc.


From the product description, check product page for current description, price and availability:

  • Highly efficient and accurate due to its advanced microprocessor technology, one measurement can be completed within 5 seconds.
  • Built-in Digital Thermometer, Display: Large and Easy-to-read LCD Screen.
  • Long battery life cycle: It’s used with 2pcs 1.5V batteries, can use more than 3 years, it will be power-off automatically after stop using in 5 minutes to save the battery.
  • High accuracy: +/- 2% Readout Accuracy Testing, the titanium alloy probe has high test accuracy, which can avoid the interference of magnetic field in water.

TDS meters are handy for checking your RO filter [See: Review – Portable Reverse Osmosis Water System] or for checking purchased distilled or RO water.  Some water processors add minerals back for flavor.  A TDS meter will allow you to make sure you’re getting what you want.

9/4/20 10 AM Central: This has dropped to just $5.99. That’s the best historical third party Amazon price I found, notwithstanding Lightning Deals or coupons. Shipping is also free to many US addresses with Prime Membership [Try Prime for Free] or a qualifying order. Prices, shipping and availability can change quickly. Please note that product prices and availability are subject to change. Prices and availability were accurate at the time this post was published; however, they may differ from those you see when you visit Amazon. Check the product page for current price, description and availability.

TDS Meter, Water Quality Tester Filter Pen, Accuracy Testing Water Quality for Drinking Water Purity Test, Swimming Pools, Aquariums, Etc. – note that multiple variations of this product may be available, as such a different version may appear at this link


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