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Cutting Edge Solutions pH Up, 1 gal, case of 4
In Stock: 19
$95.08 $135.96 -30%
Microbe Life Hydroponics pH UP, 1 qt
In Stock: 40
$16.57 $19.99 -17%
Microbe Life Hydroponics pH DOWN, 1 qt
In Stock: 42
$16.57 $19.99 -17%
GroStar GS1 pH Pen
In Stock: 259
$99.72 $115.99 -14%
GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen
In Stock: 64
$149.27 $178.99 -17%
GroStar GS2 Soil pH Pen
In Stock: 114
$214.32 $256.99 -17%
GroStar GS1-E replacement pH electrode
In Stock: 78
$42.52 $50.99 -17%
GroStar GS2-E replacement Soil Spear pH electrode
In Stock: 89
$151.77 $181.99 -17%
GroStar GS4-E replacement pH/EC combo electrode
In Stock: 82
$66.71 $79.99 -17%
GroStar pH Probe Maintanence Kit
In Stock: 76
$20.00 $23.99 -17%
HM Digital PH-80 pH/Temperature Meter
In Stock: 44
$38.81 $46.50 -17%
HM Digital Replacement pH Sensor Probe for HM-500
Out of stock
$32.80 $59.99 -45%
Active Air 2-Way Moisture/pH Meter
In Stock: 1018
$8.41 $11.84 -29%
Milwaukee Instruments pH600 Digital pH Pen
In Stock: 287
$35.55
Milwaukee Instruments pH 600 pH Tester w/1 Point Manual Calibration
In Stock: 86
$33.25 $35.00 -5%
AXEON N-2000 Reverse Osmosis System, 2000 GPD, 220V
Out of stock
$8,769.72 $10,525.78 -17%
AXEON N-4000 Reverse Osmosis System, 4000 GPD, 220V
Out of stock
$9,585.70 $11,505.16 -17%
AXEON N-6000 Reverse Osmosis System, 6000 GPD, 220V
Out of stock
$12,284.65 $14,744.53 -17%
AXEON N-8000 Reverse Osmosis System, 8000 GPD, 220V
Out of stock
$14,042.10 $16,853.91 -17%
AXEON N-12000 Reverse Osmosis System, 12000 GPD, 220V
Out of stock
$17,557.02 $21,072.66 -17%
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