how do you know when a peplacement electrode will fix the probles?

Can you calibrate to {new fresh Hanna standards 4.0 - 7.0 ??}. If not you need a new electrode. Always use fresh standards They don't last long, keep them in the fridge for longer storage

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🔧 Elevate Your Testing Game!

🛡️ BUILT TO LAST - Featuring a stainless steel round connector that prevents bent or broken pins, ensuring longevity.
🌊 EXTENDED LIFESPAN - The extendable cloth junction not only enhances performance but also prolongs the electrode's life.
🔄 EFFORTLESS REPLACEMENT - Designed with a pin connection for seamless electrode swaps—no more hassle!
🔬 COMPATIBILITY CHAMPION - Perfectly compatible with HI 98127, HI 98128, HI 98121, HI 98129, and HI 98130 testers—one electrode fits all!
🔍 PRECISION AT YOUR FINGERTIPS - Experience accurate pH readings from 0 to 14, ensuring your measurements are always on point.

The Hanna Instruments HI73127 Polypropylene Spare Electrode is a high-performance replacement electrode designed for various pH testers. It features a robust pin connection and a stainless steel round connector for durability, along with an extendable cloth junction that enhances the electrode's lifespan. Compatible with multiple models, this electrode ensures precise and reliable pH measurements.

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