{"product_id":"digital-ph-tds-ec-meter-water-quality-tester-lcd-aquarium-pool","title":"Digital pH TDS EC Meter – Water Quality Tester LCD 0–14 pH","description":"\n\u003ch2\u003e3-in-1 Digital pH, TDS \u0026amp; EC Water Quality Tester\u003c\/h2\u003e\n\u003cp\u003eKeep your water clean, balanced, and safe with this all-in-one \u003cstrong\u003eDigital pH TDS EC Meter\u003c\/strong\u003e. Whether you're monitoring your aquarium, testing drinking water, checking your pool, or running a home hydroponics setup, this compact pocket-sized tester delivers fast, accurate readings every time — no messy test strips or color charts required.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhy You'll Love This Water Quality Tester\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3 Measurements in 1 Device:\u003c\/strong\u003e Measures pH (0.00–14.00), TDS (0–9990 ppm), and EC — covering all the key indicators of water purity and quality.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge LCD Display:\u003c\/strong\u003e Easy-to-read digital screen gives instant, clear readings in seconds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Accuracy:\u003c\/strong\u003e pH resolution of 0.01 with ±0.01 accuracy; TDS measurement accuracy ±2%.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuto-Calibration Ready:\u003c\/strong\u003e Comes with two buffer powders (pH 4.00 \u0026amp; 6.86) for simple, one-button calibration. Factory pre-calibrated — ready to use right out of the box.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLock Function:\u003c\/strong\u003e Freeze the reading on screen for hands-free recording and logging.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePocket-Sized \u0026amp; Portable:\u003c\/strong\u003e Slim pen-style design (approx. 13.8 × 2.3 cm) fits easily in a bag, pocket, or lab coat.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable \u0026amp; Waterproof:\u003c\/strong\u003e Constructed from rugged ABS plastic with a waterproof design for worry-free use around water.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Application:\u003c\/strong\u003e Perfect for aquariums, drinking water, swimming pools, spas, hydroponics, aquaculture, coffee brewing, kombucha, food \u0026amp; beverage testing, school labs, and more.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Measuring Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.00 – 14.00\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003epH Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.01 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Measuring Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 – 9990 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±2%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Source\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 × 1.5V LR44 Button Cell (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (TDS Pen)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 13.8 × 2.3 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLCD Digital\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× pH Meter\u003c\/li\u003e\n  \u003cli\u003e2× Buffer Powder Packets (pH 4.00 \u0026amp; pH 6.86)\u003c\/li\u003e\n  \u003cli\u003e1× Instruction Manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Batteries (2× LR44) are \u003cem\u003enot included\u003c\/em\u003e. The 9.18 calibration buffer powder is also not included.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eRemove the protective cap from the electrode.\u003c\/li\u003e\n  \u003cli\u003eRinse the electrode with distilled water and gently dry with filter paper.\u003c\/li\u003e\n  \u003cli\u003ePress the \u003cstrong\u003eON\/OFF\u003c\/strong\u003e button to power on.\u003c\/li\u003e\n  \u003cli\u003eSubmerge the electrode in the test solution (do not exceed the immersion line \/ 4 cm max depth).\u003c\/li\u003e\n  \u003cli\u003eStir gently and wait ~30 seconds for the reading to stabilize.\u003c\/li\u003e\n  \u003cli\u003eUse the \u003cstrong\u003eLock\u003c\/strong\u003e function to hold the reading if needed.\u003c\/li\u003e\n  \u003cli\u003eAfter testing, rinse the electrode with distilled water, power off, and replace the protective cap.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Recalibrate the meter if it has been unused for a long period or after replacing the battery.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e🐟 Aquariums \u0026amp; Fish Tanks\u003c\/li\u003e\n  \u003cli\u003e🏊 Swimming Pools \u0026amp; Hot Tubs\u003c\/li\u003e\n  \u003cli\u003e🌿 Hydroponics \u0026amp; Aquaculture\u003c\/li\u003e\n  \u003cli\u003e💧 Home Drinking Water \u0026amp; Filtered Water\u003c\/li\u003e\n  \u003cli\u003e☕ Coffee, Kombucha \u0026amp; Brewing\u003c\/li\u003e\n  \u003cli\u003e🔬 School \u0026amp; Professional Laboratories\u003c\/li\u003e\n  \u003cli\u003e🍽️ Food \u0026amp; Beverage Industry\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/are-you-pooping-funny-cat-bathroom-canvas-wall-art-print\"\u003e\"Are You Pooping?\" Funny Cat Bathroom Canvas Wall Art Print\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/all-carb-diet-funny-quote-canvas-wall-art-print-home-decor\"\u003e\"All Carb Diet\" Funny Quote Canvas Wall Art Print | Home Decor\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eAuthoritative Resource\u003c\/h3\u003e\n\u003cp\u003eFor guidance on water quality and safe drinking water standards, visit the \u003ca href=\"https:\/\/www.epa.gov\/ground-water-and-drinking-water\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eU.S. Environmental Protection Agency (EPA) – Ground Water and Drinking Water\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does the Digital pH TDS EC Meter come with batteries?\u003c\/h4\u003e\n\u003cp\u003eA: No, batteries are not included. The meter requires 2× 1.5V LR44 button cell batteries, which are widely available at most stores.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this meter need to be calibrated before use?\u003c\/h4\u003e\n\u003cp\u003eA: The pH meter is factory pre-calibrated and can be used straight out of the box. However, for the highest accuracy, we recommend calibrating it using the included pH 4.00 and pH 6.86 buffer powders. The calibration process is simple and only takes a few minutes.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is TDS and why does it matter for water quality?\u003c\/h4\u003e\n\u003cp\u003eA: TDS stands for Total Dissolved Solids — it measures the concentration of inorganic salts and organic matter (such as calcium, magnesium, and sodium) dissolved in water, expressed in parts per million (ppm). Monitoring TDS helps you gauge the overall purity of your water, whether for an aquarium, drinking water, hydroponics, or pool maintenance.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this tester for my aquarium?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely! This meter is ideal for aquarium use. Maintaining the correct pH and TDS levels is critical for the health of fish and aquatic plants. Simply dip the electrode into your tank water and get an instant reading — no test strips needed.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How deep can I submerge the electrode in liquid?\u003c\/h4\u003e\n\u003cp\u003eA: Do not submerge the electrode more than 4 cm (the maximum immersion level marked on the device). Exceeding this depth could damage the meter.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does the Digital pH TDS EC Meter come with batteries?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No, batteries are not included. The meter requires 2× 1.5V LR44 button cell batteries, which are widely available at most stores.\"}}, {\"@type\": \"Question\", \"name\": \"Does this meter need to be calibrated before use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The pH meter is factory pre-calibrated and can be used straight out of the box. However, for the highest accuracy, we recommend calibrating it using the included pH 4.00 and pH 6.86 buffer powders. 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