{"product_id":"b08hlxbbk4","title":"Digital pH Meter Tester Pen for Water, Pre-Calibrated, High Accuracy ±0.01, 0–14 pH Range, Pocket Size for Drinking Water, Pool, Aquarium \u0026 Hydroponics (Yellow)","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e【Calibration Operation Guide】 Press and hold the CAL button for 5 seconds to access calibration mode. Complete calibration by selecting the standard powders in this exact order: 6.86 → 4 → 9.18. Please refer to our full calibration instructions and tutorial video for detailed steps.\u003c\/li\u003e\n\u003cli\u003e【Pre-Calibrated for Immediate Use】The pH meter is pre-calibrated before shipment and can be used directly out of the box. For best accuracy, readings may vary slightly depending on water conditions and environment.\u003c\/li\u003e\n\u003cli\u003e【Easy Operation】Simply turn on the device, immerse the probe into the solution, gently stir, and wait for the reading to stabilize before recording the result.\u003c\/li\u003e\n\u003cli\u003e【Compact \u0026amp; Portable Design】Pocket-size design allows easy carrying for testing anytime, anywhere. Suitable for home, travel, and outdoor use.\u003c\/li\u003e\n\u003cli\u003e【Multi-Purpose Water Testing】Ideal for drinking water, swimming pools, aquariums, hydroponics, RO systems, and other environments requiring pH monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"YOUR+BEST+LIFE+PARTNER","offers":[{"title":"Default Title","offer_id":67967038456031,"sku":"SPH-B08HLXBBK4","price":17.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0824\/6653\/7695\/files\/31ywwbVWlfL._AC_SL1500.jpg?v=1791729617","url":"https:\/\/aquaguardsafe.com\/products\/b08hlxbbk4","provider":"AquaGuard","version":"1.0","type":"link"}