Buffer Powder Precision: Our Calibration Powder Ensures Accurate Readings Within ±0.01 Ph Units At 25°C, Guaranteeing Reliable And Consistent Results. Works With Any Ph Meter: Compatible With All Electronic Ph Meters, Making It A Versatile Choice For Your Calibration Needs. Long-Term Stability: Individually Wrapped In Moisture-Proof Packaging, Our Powder Maintains Its Freshness And Effectiveness Over Time. Easy To Use: Simply Mix Each Packet With 250Ml Distilled Water, Perfect For Quick And Convenient Calibration. Widely Used: Ideal For Testing Ph Balance In Drinking Water, Aquariums, Swimming Pools, Spas, And Hydroponics. Experience unparalleled precision in your pH measurements with our carefully crafted buffer solution powder. Designed to seamlessly integrate with any electronic pH meter, this product ensures your readings are always on point. The moisture-proof packaging preserves its integrity, ensuring your calibration sessions are as effective as the first time, every time. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia