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9 cm (3½ × 1⅛ in
it uses a sensitive dual-metal electrode system to measure soil acidity directly in moist soil without requiring batteries
and field researchers who require durable
The housing of this tester is completely sealed to protect against the intrusion of water and is also designed to float if accidentally dropped into a body of water
All-Metal Design
Silica Gel Desiccant, 5 lb Bag Flasks 9 cm (3½ × 1⅛Product Code: DR3 Silica gel with indicator is an all purpose desiccant. Can be used with our drying tubes or a desiccator. As the silica gel absorbs moisture, the color changes from blue to pink. Can be regenerated by heating in an oven. 5 lb Bag
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