{"product_id":"gidigi-digital-chlorine-tester-7-in-1-pool-hot-tub-meter-free-chlorine-ph-orp-salinity-backlit-color-display","title":"GIDIGI Digital Chlorine Tester 7-in-1 Pool \u0026 Hot Tub Meter — Free Chlorine, pH, ORP, Salinity, Backlit Color Display","description":"\u003cp\u003e\u003cstrong\u003eThe GIDIGI Digital Chlorine Tester is a pocket-sized 7-in-1 meter that measures pH, ORP, EC, TDS, salinity, free chlorine (FAC) and temperature for pools, hot tubs, aquariums and hydroponics.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eKeeping water balanced is faster and simpler with a single instrument that replaces multiple strips and single-parameter testers. The GIDIGI meter delivers instant digital readings on a backlit color screen, so you can verify sanitizer levels, salinity and nutrient solution strength whether you’re maintaining a backyard pool, running a spa, managing an aquarium or tending a hydroponic rack.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the GIDIGI tester simplify pool and hot tub maintenance?\u003c\/h3\u003e\n\u003cp\u003eThis device consolidates the essential water chemistry checks—free chlorine (FAC), oxidation-reduction potential (ORP) and pH—so you can confirm disinfection and comfort levels quickly. Clear on-screen values reduce guesswork from color strips and speed routine checks before use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInstant FAC readout for sanitizer control (target range guidance helps avoid over- or under-chlorination).\u003c\/li\u003e\n  \u003cli\u003eORP measurement to assess sanitizer effectiveness in real time.\u003c\/li\u003e\n  \u003cli\u003epH monitoring to prevent skin\/eye irritation and protect pool equipment.\u003c\/li\u003e\n  \u003cli\u003eTemperature display to correlate chemistry with thermal conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan it support hydroponic and aquarium nutrient management?\u003c\/h3\u003e\n\u003cp\u003eYes. The meter reads EC and pH, two core parameters for nutrient uptake and plant health, plus TDS for quick checks of dissolved solids. The backlit display makes readings easy to read under grow-lights or in dim basements.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEC (electrical conductivity) for nutrient concentration control.\u003c\/li\u003e\n  \u003cli\u003epH accuracy to keep roots in the optimal uptake range (commonly 5.5–6.5).\u003c\/li\u003e\n  \u003cli\u003eTDS reporting to spot nutrient buildup or filter issues.\u003c\/li\u003e\n  \u003cli\u003eTemperature to reference nutrient solution conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow accurate and user-friendly are the measurements?\u003c\/h3\u003e\n\u003cp\u003eThe unit provides digital readings across seven parameters without switching probes, minimizing calibration steps. A simple menu and included pH calibration powder make periodic adjustments straightforward; batteries are sometimes packaged under a white plastic inner tray.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e7-in-1 sensor suite eliminates multiple devices for faster checks.\u003c\/li\u003e\n  \u003cli\u003eBacklit color screen for clear visibility in varied lighting.\u003c\/li\u003e\n  \u003cli\u003ePortable housing with hanging loop for on-site testing.\u003c\/li\u003e\n  \u003cli\u003eIncludes user manual and calibration supplies for initial setup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat household and small-business uses benefit from this meter?\u003c\/h3\u003e\n\u003cp\u003eThe GIDIGI tester is versatile enough for homeowners, pool service pros and small aquaculture or horticulture operations. It works for spot-checking tap or RO water, monitoring spa chemistry, or validating nutrient solutions in hydroponic setups.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHome pools and hot tubs—daily or pre-swim checks.\u003c\/li\u003e\n  \u003cli\u003eAquariums and koi ponds—routine water quality monitoring.\u003c\/li\u003e\n  \u003cli\u003eHydroponic growers—EC and pH control for crops like lettuce and herbs.\u003c\/li\u003e\n  \u003cli\u003eHousehold drinking water—TDS checks for filter performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The GIDIGI Digital Chlorine Tester is designed for homeowners who want precise, all-in-one water tests without multiple kits; pool and spa technicians who need a compact, reliable field tool; hobbyists maintaining aquariums or hydroponic systems; and small businesses that require fast, repeatable water quality checks. It’s a practical choice when you need quick digital answers for sanitizer levels, salinity, nutrient strength and temperature in one portable package.\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: Does this meter measure free chlorine and salinity?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it measures free chlorine (FAC) and salinity alongside pH, ORP, EC, TDS and temperature.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is calibration required before first use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Basic calibration for pH is recommended; the kit includes pH calibration powder and a user manual.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GIDIGI","offers":[{"title":"Default Title","offer_id":56830096572756,"sku":"B0GGQXLNYG","price":54.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/gidigi-front-view-with-screen.jpg?v=1787001268","url":"https:\/\/gardenluxe.co.uk\/products\/gidigi-digital-chlorine-tester-7-in-1-pool-hot-tub-meter-free-chlorine-ph-orp-salinity-backlit-color-display","provider":"Gardenluxe Uk","version":"1.0","type":"link"}