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In stock (can be backordered)

Bluelab Original Truncheon Meter

$154.89

In stock (can be backordered)

Bluelab pH 4.0 Calibration Solution 250 ml

$12.99

In stock (can be backordered)

Bluelab pH 4.0 Calibration Solution 500 ml

$20.99

In stock (can be backordered)

Bluelab pH 7.0 Calibration Solution 250 ml

$12.99

Available on backorder

Bluelab pH 7.0 Calibration Solution 500 ml

$20.99

Out of stock

Bluelab PH and Temperature Pen

$129.99

In stock

Bluelab pH Probe KCl Storage Solution, 120 ml

$16.99

Out of stock

General Hydroponics PH Down, Gallon

$29.99

In stock (can be backordered)

GH pH Down, Quart

$15.68

In stock

GH pH Test Kit – 1 oz

$9.79

Available on backorder

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Rapitest Digital PH Meter

$20.99

Available on backorder

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Rapitest Soil Test Kit

$22.90