--- product_id: 643341385 title: "AC Infinity pH Meter Kit, High Precision Digital pH Pen with ±0.1 pH Accuracy, Nutrient Test pH Meter for Water Hydroponics Plants, Gardening, Aquariums, Swimming Pools" brand: "ac infinity" price: "484 zł" currency: PLN in_stock: true reviews_count: 13 category: "Ac Infinity" url: https://www.desertcart.pl/products/643341385-ac-infinity-ph-meter-kit-high-precision-digital-ph-pen store_origin: PL region: Poland --- # IP67 waterproof & dustproof Includes 4.00 & 7.00 calibration solutions ±0.1 pH ultra-precision AC Infinity pH Meter Kit, High Precision Digital pH Pen with ±0.1 pH Accuracy, Nutrient Test pH Meter for Water Hydroponics Plants, Gardening, Aquariums, Swimming Pools **Brand:** ac infinity **Price:** 484 zł **Availability:** ✅ In Stock ## Summary > 🌿 Precision pH Powerhouse — Master your water, master your growth! ## Quick Answers - **What is this?** AC Infinity pH Meter Kit, High Precision Digital pH Pen with ±0.1 pH Accuracy, Nutrient Test pH Meter for Water Hydroponics Plants, Gardening, Aquariums, Swimming Pools by ac infinity - **How much does it cost?** 484 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/643341385-ac-infinity-ph-meter-kit-high-precision-digital-ph-pen) ## Best For - ac infinity enthusiasts ## Why This Product - Trusted ac infinity brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Brave the Elements:** IP67-rated rugged design resists moisture, dust, and heat for reliable outdoor use. - • **Calibration Made Effortless:** Comes with ready-to-use 4.00 & 7.00 pH solutions to keep your meter consistently accurate and long-lasting. - • **All-in-One Hydroponics & Beyond:** Perfect for gardens, aquariums, pools, and homebrewing—your versatile water quality ally. - • **Instant Readings, Instant Confidence:** Sensitive lithium glass membrane sensor delivers rapid, trustworthy pH and temperature data. - • **Lab-Grade Accuracy at Your Fingertips:** Achieve pinpoint ±0.1 pH precision for flawless water quality control. ## Overview This high-precision digital pH meter pen offers ±0.1 accuracy with a fast-responding lithium glass sensor, ideal for hydroponics, gardening, aquariums, and pools. Its IP67 waterproof and dustproof rating ensures durability in harsh environments, while included calibration solutions guarantee consistent, lab-grade measurements for optimal water quality management. ## Description Product DescriptionA digital water quality meter designed to measure water’s acidity, alkalinity, and temperature to help optimize its quality for gardening and water treatment applications. The highly responsive sensor probe utilizes a lithium glass membrane to instantly determine pH readings with highly precise ±0.1 accuracy. This pH pen tester for water features an IP-67 rating, specially sealed to withstand moisture and heat, as well as block out intrusive dust and sand. For further protection, the hydroponic pH meter is built with a sensor shield to safeguard your probe in between uses. The included 4.00 pH and 7.00 pH calibration solutions ensure consistently accurate measurements, the former also supporting proper storage conditions to help extend the lifespan of the pH and PPM meter.ApplicationsThis fast-acting nutrient test alkalinity meter will help you determine how well your water uptakes nutrients. Fit for use as a pH meter for plants in horticultural settings like gardens, grow tents, greenhouses, and hydroponics systems. In addition, its application spans far beyond plant growing, capable of being a general pH level tester for water used in swimming pools, spas, aquarium fish tanks, and beverage homebrewing applications to help determine water safety. Review: Great ph meter upgrade your gear - Finally upgraded my PH meter game to Pro level, the calibration is pretty straightforward, great quality pen, easy solutions to use the pen directly recognizes the USA standard solutions, so if you use NIST solutions you must purchase those separately, the value you get for your money long term by just investing in a powerful stick alone makes it worth, easy settings to configure and navigate. Review: ALL in 1 Hydroponic Meter - Been using this meter for about 1 year now and one of the best all in 1 meters. Really helped to dial in my grows. Insures my EC, PH, salts, and ppms are all at the desired readings. ## Features - A pH reader for water quality assessment designed to help monitor and maintain proper pH levels. - Measures the acidity, alkalinity, and temperature of water for gardens, aquariums, pools, and more. - Sensor probe with sensitive glass membrane delivers instant pH readings with high accuracy. - IP-67 rated to be sealed from high-volume moisture, dust, and sand; can also withstand high levels of heat. - Lab-grade pH monitor testing kit includes ready-to-use 4.00 & 7.00 solutions for long-lasting precision. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CLQX7TFY | | Best Sellers Rank | #15,508 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #16 in Lab pH Meters | | Date First Available | October 24, 2023 | | Item Weight | 1.96 pounds | | Item model number | AC-PHM3 | | Manufacturer | AC Infinity | | Package Dimensions | 11.22 x 8.03 x 3.15 inches | ## Images ![AC Infinity pH Meter Kit, High Precision Digital pH Pen with ±0.1 pH Accuracy, Nutrient Test pH Meter for Water Hydroponics Plants, Gardening, Aquariums, Swimming Pools - Image 1](https://m.media-amazon.com/images/I/51Kjg2pjDvL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great ph meter upgrade your gear *by R***T on December 24, 2025* Finally upgraded my PH meter game to Pro level, the calibration is pretty straightforward, great quality pen, easy solutions to use the pen directly recognizes the USA standard solutions, so if you use NIST solutions you must purchase those separately, the value you get for your money long term by just investing in a powerful stick alone makes it worth, easy settings to configure and navigate. ### ⭐⭐⭐⭐⭐ ALL in 1 Hydroponic Meter *by O***L on October 29, 2025* Been using this meter for about 1 year now and one of the best all in 1 meters. Really helped to dial in my grows. Insures my EC, PH, salts, and ppms are all at the desired readings. ### ⭐⭐⭐⭐⭐ Goodbye BluLab pens *by J***H on October 24, 2025* So long blue labs... been using this for a while now. Bought 2 blu lab pens, both showed up dry and failed to calibrate after proper hydration. This pen is tough, reliable, and stays accurately calibrated even when its close to the q4 month QC's. Hopefully i don't need to buy another soon, but i may when the time comes. Easy calibration and the blue backlight is Hella bright! ## Frequently Bought Together - AC Infinity pH Meter Kit, High Precision Digital pH Pen with ±0.1 pH Accuracy, Nutrient Test pH Meter for Water Hydroponics Plants, Gardening, Aquariums, Swimming Pools - AC Infinity CLOUDFORGE T3, Plant Humidifier 4.5L with VPD Humidity Controls, 10-Level Precision Vaporizer, Extendable Targeting Hose and No-Leak Seal for Grow Tents --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pl/products/643341385-ac-infinity-ph-meter-kit-high-precision-digital-ph-pen](https://www.desertcart.pl/products/643341385-ac-infinity-ph-meter-kit-high-precision-digital-ph-pen) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-28*