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pH Meters

GroStar pH Probe Maintanence Kit
In Stock: 86
$20.15 $23.99 -16%
GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen
In Stock: 168
$150.35 $178.99 -16%
GroStar GS2 Soil pH Pen
In Stock: 142
$215.87 $256.99 -16%
GroStar GS1 pH Pen
In Stock: 281
$99.72 $115.99 -14%
GroStar GS4-E replacement pH/EC combo electrode
In Stock: 83
$67.19 $79.99 -16%
GroStar GS2-E replacement Soil Spear pH electrode
In Stock: 101
$152.87 $181.99 -16%
GroStar GS1-E replacement pH electrode
In Stock: 101
$42.83 $50.99 -16%
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