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Expanded 4-digit dual-line display shows pH and temperature readings simultaneously
Flush your substrate regularly to prevent rest
The multi-point hanging system allows the unit to be hung horizontally or vertically for different growing situations
Plant-safe green backlit LCD with adjustable brightness and large
pH Range: 0-14
Oakton Replacement Sensor for pHTestr 10/20/30 spl_hf Expanded 4-digit dual-line display showsExpand the lifetime of your Oakton pH tester by keeping these replacement sensors on hand. These pH testers work with Oakton's line of 10, 20, and 30 series pHTestrs (OK3563410, OK3563420, and OK3563430).
