{"product_id":"digital-tds-ec-water-quality-tester-pen-261028024","title":"Digital TDS EC Water Quality Tester Pen","description":"\u003cstyle\u003e\n.p261028024-page{width:100%;max-width:1120px;margin:0 auto;container-type:inline-size;container-name:p261028024-detail;font-family:Arial,Helvetica,sans-serif;color:#17334a;background:#fff;line-height:1.6}\n.p261028024-page,.p261028024-page *{box-sizing:border-box}\n.p261028024-page h1,.p261028024-page h2,.p261028024-page h3,.p261028024-page p,.p261028024-page li,.p261028024-page strong,.p261028024-page summary{word-break:normal!important;overflow-wrap:normal!important;hyphens:none!important}\n.p261028024-page h1,.p261028024-page h2,.p261028024-page h3,.p261028024-page p,.p261028024-page li{margin-top:0;color:#17334a!important}\n.p261028024-page p,.p261028024-page li,.p261028024-page summary{font-size:17px!important;line-height:1.65!important}\n.p261028024-page 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h3{font-size:21px!important;color:#17334a!important;margin-bottom:12px;font-style:normal!important}\n.p261028024-page .p261028024-review-card p{font-size:17px!important;color:#17334a!important;line-height:1.65!important;font-style:normal!important;margin:0 0 14px}\n.p261028024-page .p261028024-review-card strong{display:block;font-size:16px!important;color:#31556a!important;font-style:normal!important}\n@container p261028024-detail (max-width:850px){.p261028024-page .p261028024-review-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}\n@container p261028024-detail (max-width:620px){.p261028024-page .p261028024-review-grid{grid-template-columns:1fr}.p261028024-page .p261028024-review-card{padding:20px}.p261028024-page .p261028024-review-card h3{font-size:20px!important}.p261028024-page .p261028024-review-card p{font-size:17px!important}.p261028024-page .p261028024-review-card strong{font-size:16px!important}.p261028024-page .p261028024-stars{font-size:20px!important}}\n@media(max-width:620px){.p261028024-page .p261028024-review-grid{grid-template-columns:1fr}.p261028024-page .p261028024-review-card h3{font-size:20px!important}.p261028024-page .p261028024-review-card p{font-size:17px!important}.p261028024-page .p261028024-review-card strong{font-size:16px!important}}\n\u003c\/style\u003e\n\u003cdiv class=\"p261028024-page\"\u003e\n\u003csection class=\"p261028024-section p261028024-hero\" data-module=\"1\"\u003e\n\u003cdiv class=\"p261028024-motion\"\u003e\u003cimg class=\"p261028024-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/4977\/1085\/files\/261028024-09-usage-demo.webp?v=1793254640\" alt=\"Animated demonstration of a handheld water tester in a sample cup\"\u003e\u003c\/div\u003e\n\u003cspan class=\"p261028024-eyebrow\"\u003eEveryday water readings\u003c\/span\u003e\u003ch1\u003eDigital TDS \u0026amp; EC Water Quality Tester Pen\u003c\/h1\u003e\n\u003cp class=\"p261028024-lead\"\u003eCheck dissolved-solids, conductivity, and temperature readings with a compact pen you can bring to the tap, aquarium, or growing setup.\u003c\/p\u003e\u003c\/section\u003e\n\u003csection class=\"p261028024-section p261028024-soft\" data-module=\"2\"\u003e\u003cdiv class=\"p261028024-narrow\"\u003e\n\u003cspan class=\"p261028024-eyebrow\"\u003eA clearer routine\u003c\/span\u003e\u003ch2\u003eGive your water a measurable starting point\u003c\/h2\u003e\n\u003cp\u003eWater can look the same from one source to another. A handheld meter helps you record TDS and EC readings when you want to compare a sample, check a filter's output, or keep an eye on a routine water setup.\u003c\/p\u003e\n\u003cdiv class=\"p261028024-media\"\u003e\u003cimg class=\"p261028024-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/4977\/1085\/files\/261028024-01-hero-water-testing.png\" alt=\"Hand using a white TDS and EC tester in a glass of water\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"p261028024-section\" data-module=\"3\"\u003e\u003cspan class=\"p261028024-eyebrow\"\u003eThree useful displays\u003c\/span\u003e\u003ch2\u003eRead TDS, EC, and temperature\u003c\/h2\u003e\n\u003cdiv class=\"p261028024-cards\"\u003e\n\u003cdiv class=\"p261028024-card\"\u003e\n\u003ch3\u003eTDS\u003c\/h3\u003e\n\u003cp\u003eSee a dissolved-solids reading in parts per million (ppm).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"p261028024-card\"\u003e\n\u003ch3\u003eEC\u003c\/h3\u003e\n\u003cp\u003eCheck electrical conductivity as another way to observe dissolved ions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"p261028024-card\"\u003e\n\u003ch3\u003eTemperature\u003c\/h3\u003e\n\u003cp\u003eView the sample temperature while you take the measurement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"p261028024-media\"\u003e\u003cimg class=\"p261028024-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/4977\/1085\/files\/261028024-02-feature-display-modes.png\" alt=\"TDS, EC, and temperature display modes on the tester\" loading=\"lazy\"\u003e\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"p261028024-section p261028024-soft\" data-module=\"4\"\u003e\u003cspan class=\"p261028024-eyebrow\"\u003eSimple to use\u003c\/span\u003e\u003ch2\u003eFrom sample to reading\u003c\/h2\u003e\n\u003cdiv class=\"p261028024-steps\"\u003e\n\u003cdiv class=\"p261028024-step\"\u003e\n\u003cstrong\u003e1\u003c\/strong\u003e\u003cp\u003ePour your water into a clean container and remove the probe cap.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"p261028024-step\"\u003e\n\u003cstrong\u003e2\u003c\/strong\u003e\u003cp\u003eTurn on the tester and dip the probe end into the sample, keeping the body above the waterline.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"p261028024-step\"\u003e\n\u003cstrong\u003e3\u003c\/strong\u003e\u003cp\u003eRead the display, then rinse and dry the probes before replacing the cap.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"p261028024-media\"\u003e\u003cimg class=\"p261028024-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/4977\/1085\/files\/261028024-04-usage-water-glass.png\" alt=\"White digital water tester checking a glass of water\" loading=\"lazy\"\u003e\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"p261028024-section\" data-module=\"5\"\u003e\u003cdiv class=\"p261028024-narrow\"\u003e\n\u003cspan class=\"p261028024-eyebrow\"\u003ePen-sized design\u003c\/span\u003e\u003ch2\u003eEasy to hold, easy to store\u003c\/h2\u003e\n\u003cp\u003eThe slim white body, front display, buttons, removable cap, and probe end keep the essentials together in one handheld instrument. Carry it in its PP case between checks.\u003c\/p\u003e\n\u003cdiv class=\"p261028024-media\"\u003e\u003cimg class=\"p261028024-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/4977\/1085\/files\/261028024-03-structure-pen-design.png\" alt=\"White water tester showing its display, buttons, cap, and probes\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"p261028024-section p261028024-soft\" data-module=\"6\"\u003e\u003cspan class=\"p261028024-eyebrow\"\u003eWhere it fits\u003c\/span\u003e\u003ch2\u003eOne meter for different water routines\u003c\/h2\u003e\n\u003cp\u003eUse a separate, clean sample cup when comparing water from different places. The compact shape suits everyday checks at home and around hobby setups.\u003c\/p\u003e\n\u003cdiv class=\"p261028024-scenarios\"\u003e\n\u003cdiv class=\"p261028024-scenario\"\u003e\n\u003ch3\u003eAquarium care\u003c\/h3\u003e\n\u003cp\u003eKeep a record of readings from a tank sample as part of regular maintenance.\u003c\/p\u003e\n\u003cimg class=\"p261028024-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/4977\/1085\/files\/261028024-07-lifestyle-aquarium.png\" alt=\"Testing an aquarium water sample beside a fish tank\" loading=\"lazy\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"p261028024-scenario\"\u003e\n\u003ch3\u003eHydroponic growing\u003c\/h3\u003e\n\u003cp\u003eCheck a sample from a plant-growing water system without moving the whole setup.\u003c\/p\u003e\n\u003cimg class=\"p261028024-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/4977\/1085\/files\/261028024-08-lifestyle-hydroponics.png\" alt=\"Testing a water sample near indoor hydroponic plants\" loading=\"lazy\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"p261028024-section\" data-module=\"7\"\u003e\u003cdiv class=\"p261028024-narrow\"\u003e\n\u003cspan class=\"p261028024-eyebrow\"\u003eProduct details\u003c\/span\u003e\u003ch2\u003eWhat's in your set\u003c\/h2\u003e\n\u003cdiv class=\"p261028024-details\"\u003e\n\u003cdiv class=\"p261028024-detail\"\u003e\n\u003cstrong\u003eColor\u003c\/strong\u003e\u003cspan\u003eWhite\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"p261028024-detail\"\u003e\n\u003cstrong\u003ePack quantity\u003c\/strong\u003e\u003cspan\u003e1 tester\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"p261028024-detail\"\u003e\n\u003cstrong\u003ePackaging\u003c\/strong\u003e\u003cspan\u003ePP case\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"p261028024-detail\"\u003e\n\u003cstrong\u003eInstructions\u003c\/strong\u003e\u003cspan\u003eEnglish manual\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"p261028024-media\"\u003e\u003cimg class=\"p261028024-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/4977\/1085\/files\/261028024-06-lifestyle-kitchen-tap.png\" alt=\"Testing a glass of tap water at a kitchen counter\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"p261028024-section p261028024-soft\" data-module=\"8\"\u003e\u003cdiv class=\"p261028024-narrow\"\u003e\n\u003cspan class=\"p261028024-eyebrow\"\u003eCare \u0026amp; context\u003c\/span\u003e\u003ch2\u003eKeep readings in perspective\u003c\/h2\u003e\n\u003cp\u003eRinse the probe end after use, dry it, and replace the cap before storage. Keep the body and battery compartment out of the water and follow the included instructions for care.\u003c\/p\u003e\n\u003cdiv class=\"p261028024-note\"\u003e\u003cp\u003e\u003cstrong\u003eTDS and EC readings describe dissolved material and conductivity.\u003c\/strong\u003e They do not test for every contaminant or determine whether water is safe to drink.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"p261028024-section p261028024-visual-return\" data-module=\"visual-return\"\u003e\u003cdiv class=\"p261028024-narrow\"\u003e\n\u003cspan class=\"p261028024-eyebrow\"\u003eEveryday checks\u003c\/span\u003e\u003ch2\u003eReady for more than one water routine\u003c\/h2\u003e\n\u003cp\u003eFrom tap water to aquariums and growing systems, the compact tester fits into the moments when you want to take a reading. Use a clean sample container each time.\u003c\/p\u003e\n\u003cdiv class=\"p261028024-media\"\u003e\u003cimg class=\"p261028024-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0718\/4977\/1085\/files\/261028024-05-scenarios-water-sources.png\" alt=\"Water tester pictured with different everyday water settings\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"p261028024-section p261028024-reviews\" data-module=\"reviews\"\u003e\u003cspan class=\"p261028024-eyebrow\"\u003eCustomer Reviews\u003c\/span\u003e\u003ch2\u003eWhat customers are saying\u003c\/h2\u003e\n\u003cdiv class=\"p261028024-review-grid\"\u003e\n\u003carticle class=\"p261028024-review-card\"\u003e\u003cspan class=\"p261028024-stars\" aria-label=\"5 out of 5 stars\"\u003e★★★★★\u003c\/span\u003e\u003ch3\u003eHelpful for Comparing Water\u003c\/h3\u003e\n\u003cp\u003e“I use this tester to compare readings from our tap and filtered water. The TDS number appears on the screen, so it’s easy to see how the readings differ. It has become a handy tool to keep by the kitchen sink.”\u003c\/p\u003e\n\u003cstrong\u003e— Nathan B.\u003c\/strong\u003e\u003c\/article\u003e\n\u003carticle class=\"p261028024-review-card\"\u003e\u003cspan class=\"p261028024-stars\" aria-label=\"5 out of 5 stars\"\u003e★★★★★\u003c\/span\u003e\u003ch3\u003eEasy to Read\u003c\/h3\u003e\n\u003cp\u003e“I wanted a simple way to check more than one measurement without juggling different tools. Being able to view TDS, EC, and temperature on one compact tester is convenient, and the display is easy for me to read.”\u003c\/p\u003e\n\u003cstrong\u003e— Iris W.\u003c\/strong\u003e\u003c\/article\u003e\n\u003carticle class=\"p261028024-review-card\"\u003e\u003cspan class=\"p261028024-stars\" aria-label=\"5 out of 5 stars\"\u003e★★★★★\u003c\/span\u003e\u003ch3\u003eUseful for My Aquarium Routine\u003c\/h3\u003e\n\u003cp\u003e“I keep this tester with my aquarium supplies and use it when I’m checking the water. The pen shape is easy to handle, and I like having the readings together in one small device.”\u003c\/p\u003e\n\u003cstrong\u003e— Caleb J.\u003c\/strong\u003e\u003c\/article\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003csection class=\"p261028024-section p261028024-faq\" data-module=\"9\"\u003e\u003cdiv class=\"p261028024-narrow\"\u003e\n\u003cspan class=\"p261028024-eyebrow\"\u003eFAQ\u003c\/span\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat does TDS mean?\u003c\/summary\u003e\u003cp\u003eTDS stands for total dissolved solids. The display presents the reading in parts per million (ppm).\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is EC?\u003c\/summary\u003e\u003cp\u003eEC means electrical conductivity, a measurement associated with dissolved ions in a water sample.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan this tester tell me if water is safe to drink?\u003c\/summary\u003e\u003cp\u003eNo. TDS and EC alone cannot identify every contaminant or certify drinking-water safety. Use appropriate professional testing when safety is a concern.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhere can I use it?\u003c\/summary\u003e\u003cp\u003eIt can be used for samples from tap water, aquariums, or hydroponic systems. Use a clean container for each sample.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat comes with the white version?\u003c\/summary\u003e\u003cp\u003eOne white tester with PP case packaging and an English instruction manual.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Only Shop","offers":[{"title":"White \/ PP case with English manual \/ 1","offer_id":67842981331021,"sku":"261028024-White","price":20.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/4977\/1085\/files\/261028024-01-hero-water-testing.png?v=1793254921","url":"https:\/\/1vtzfk-zi.myshopify.com\/products\/digital-tds-ec-water-quality-tester-pen-261028024","provider":"Only Shop","version":"1.0","type":"link"}