Apera Instruments GroStar GS1-E Replacement pH Electrode Environment Controller Parts & Accessories The most misunderstood form of

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Apera Instruments GroStar GS1-E Replacement pH Electrode Environment Controller Parts & Accessories The most misunderstood form ofGroStar GS1 E replacement pH electrode Replacement GS1 probe measures pH and temperature Premium probe technologies and materials ensure high accuracy and durability with minimal maintenance Low resistance lithium glass membrane Double junction structure uses blue gel electrolyte without the air bubble 1 year warranty