{"product_id":"b0h5jxsdcv","title":"2026 4-in-1 Digital Water Tester 2PCS, 0-9999PPM TDS\/EC\/Hardness\/Temperature Meter, Water Quality Tester for Drinking Water, Pool, Aquarium, RO System, Hydroponics (Batteries Not Included)","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e【2026 4-in-1 Digital Water Tester – 2-Pack】This upgraded tester measures Total Dissolved Solids (TDS), Electrical Conductivity (EC), Water Hardness, and Temperature – all in one compact device. Range 0–9999 ppm, ideal for drinking water, tap water, RO systems, aquariums, swimming pools, and hydroponics. This 2‑pack gives you two testers – one for home, one for travel.\u003c\/li\u003e\n\u003cli\u003e【4-Color Smart Water Quality Indicator】The built‑in color display automatically shows a clear color signal based on the measured TDS level. Four colors correspond to four quality grades: Blue (excellent) , Yellow (good) , Green (fair) , and Red (poor) . This visual alert system allows anyone, even children or elderly family members, to quickly understand whether the water is safe for drinking or other purposes. Combined with a high accuracy of ±2% and a rapid response time (usually within 3 s).\u003c\/li\u003e\n\u003cli\u003e【Backlit Display \u0026amp; Dual Data Reading】The large, high‑contrast backlit LCD screen ensures clear visibility even in dimly lit environments – ideal for indoor use, nighttime aquarium checks, or outdoor pool testing. The display simultaneously shows the primary measurement value (TDS\/EC\/Hardness) alongside the current water temperature, so you get two critical data points in one glance.\u003c\/li\u003e\n\u003cli\u003e【Versatile for Multiple Scenarios】A practical tool for homeowners, aquarists, and growers. Use it for pools, aquariums, tap water, RO\/DI systems, hydroponics, agricultural water, or lab testing. Whether you are a homeowner concerned, an aquarium enthusiast monitoring fish tank conditions, a pool owner, a hydroponic grower adjusting nutrient solutions, or a health-conscious traveler testing local water sources, this tester is your reliable companion.\u003c\/li\u003e\n\u003cli\u003e【Batteries Not Included – Simply Add Your Own】This water tester is shipped without batteries. Each tester requires button cell batteries (not included). We intentionally leave batteries out to give you the freedom to select your preferred brand, ensure you always have fresh power on hand, and reduce unnecessary electronic waste by reusing batteries from other devices. Simply install the batteries and your tester is ready to go – no special tools required.\u003c\/li\u003e\n\u003cli\u003eNote: This updated version now includes water hardness measurement. Temperature is displayed in fixed units ℃(no switching function). The lightweight, pen‑style design slips easily into your pocket or bag – take it anywhere for on‑the‑spot quality checks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"FORIOT","offers":[{"title":"Default Title","offer_id":67966980128991,"sku":"SPH-B0H5JXSDCV","price":21.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0824\/6653\/7695\/files\/41s_owAQnyL._AC_SL1500.jpg?v=1791729525","url":"https:\/\/aquaguardsafe.com\/products\/b0h5jxsdcv","provider":"AquaGuard","version":"1.0","type":"link"}