{"product_id":"hydrajoy-7-in-1-digital-water-tester-ph-salinity-tds-orp-temp-pre-calibrated-handheld-for-pools-spas-aquariums","title":"HydraJoy 7-in-1 Digital Water Tester — pH, Salinity, TDS, ORP \u0026 Temp | Pre-calibrated Handheld for Pools, Spas, Aquariums","description":"\u003cp\u003e\u003cstrong\u003eThe HydraJoy 7-in-1 digital tester instantly measures pH, salinity, specific gravity, ORP, TDS, EC and temperature so you can monitor pool, spa, aquarium or hydroponic water with one professional handheld device.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eKeeping water chemistry balanced is faster and less guesswork with a single instrument that replaces multiple meters and strips. This compact, pre-calibrated tool delivers lab-grade readings for seven key parameters and includes calibration supplies, a protective case, and batteries so you can test right away. The unit’s clear backlit display, one-button operation, and automatic temperature compensation make it suitable for homeowners and pros who need reliable, repeatable results in pools, hot tubs, saltwater systems, aquariums, or hydroponics setups.\u003c\/p\u003e\n\n\u003ch3\u003eHow accurate and reliable are the HydraJoy readings?\u003c\/h3\u003e\n\u003cp\u003eHydraJoy is built with precision sensors and tight tolerances to give repeatable results across the device’s full range. Expect laboratory-style resolution for pH and fine accuracy for salinity, TDS, ORP and temperature, plus automatic temperature compensation to normalize readings taken at different water temperatures.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003epH resolution to 0.01 with ±0.01 accuracy.\u003c\/li\u003e\n  \u003cli\u003eSalinity range 0–9999 ppm with ±1% accuracy.\u003c\/li\u003e\n  \u003cli\u003eTemperature accuracy ±0.5°F; ORP ±1 mV; TDS\/EC ±1 ppm\/µS\/cm.\u003c\/li\u003e\n  \u003cli\u003eAutomatic Temperature Compensation (ATC) for consistent results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat water sources and situations can this meter handle?\u003c\/h3\u003e\n\u003cp\u003eThe meter is engineered for a wide variety of aquatic environments. It’s suitable for salt and chlorine pools (including salt chlorine generators), spas and hot tubs, freshwater and marine aquariums, hydroponic reservoirs, koi ponds, and industrial or municipal water checks where the listed parameters are useful.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSaltwater and chlorine pool maintenance and troubleshooting.\u003c\/li\u003e\n  \u003cli\u003eSpa and hot tub chemistry checks before use.\u003c\/li\u003e\n  \u003cli\u003eAquarium water quality for fish and coral health monitoring.\u003c\/li\u003e\n  \u003cli\u003eHydroponics nutrient and salinity monitoring for plant systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is it to operate, maintain and calibrate?\u003c\/h3\u003e\n\u003cp\u003eThe HydraJoy unit ships factory pre-calibrated so you can test immediately; the included calibration powder is provided for occasional pH recalibration after extended use. Operation is one-button: immerse the probe, press to read, and the large backlit LCD shows all active readings. The device is IP67-rated so it tolerates splashes and temporary submersion, and it includes a protective cap and case for safe storage.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFactory pre-calibrated—ready out of the box.\u003c\/li\u003e\n  \u003cli\u003eIncludes pH calibration powder and instructions for optional recalibration.\u003c\/li\u003e\n  \u003cli\u003eLarge backlit display, one-button operation, and auto data hold.\u003c\/li\u003e\n  \u003cli\u003eIP67 waterproof rating with protective cap and carry case.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat ranges and units does the meter report?\u003c\/h3\u003e\n\u003cp\u003eThe device reports seven core measurements with industry-standard ranges so you can compare results to maintenance charts or lab reports. Values are presented in easily read units appropriate to each parameter, and the meter stores stable readings for quick recording.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003epH: high-resolution 0.00–14.00; Salinity: 0–9999 ppm.\u003c\/li\u003e\n  \u003cli\u003eSpecific gravity: 1.000–1.070; ORP: -999 to +999 mV.\u003c\/li\u003e\n  \u003cli\u003eTDS \u0026amp; EC: 0–9990 ppm \/ µS\/cm; Temperature: 32°F–122°F.\u003c\/li\u003e\n  \u003cli\u003eAutomatic data hold and automatic shutoff to preserve battery life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: HydraJoy’s 7-in-1 digital tester is intended for pool and spa owners who want a single accurate instrument to monitor critical chemistry, aquarium keepers who manage freshwater or marine systems, hydroponic growers tracking nutrient solutions, and service professionals needing a portable, reliable water-quality meter. If you need fast, repeatable multi-parameter readings without juggling multiple devices or chemical strips, this kit provides the sensors, calibration supplies, and protective case to test confidently on-site or at home.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the HydraJoy meter ready to use out of the box?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The device is factory pre-calibrated and includes batteries and calibration powder so you can test immediately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this meter be used for saltwater pools and aquariums?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It measures salinity, specific gravity, pH, ORP, TDS, EC and temperature for saltwater pools and marine aquariums.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"HydraJoy","offers":[{"title":"Default Title","offer_id":56830983995732,"sku":"B0GV64F3NM","price":58.21,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/hydrajoy-front-view-tester.jpg?v=1787010213","url":"https:\/\/gardenluxe.co.uk\/products\/hydrajoy-7-in-1-digital-water-tester-ph-salinity-tds-orp-temp-pre-calibrated-handheld-for-pools-spas-aquariums","provider":"Gardenluxe Uk","version":"1.0","type":"link"}