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GH pH Down Liquid Gallon (4/Cs)
$17.67 $29.24
GH pH Up Liquid Gallon (4/Cs)
Bluelab Soil pH Pen
$128.13 $191.00
Grow More pH Down 30% Gallon (4/Cs)
$14.80 $22.24
Bluelab pH Probe KCI Storage Solution 250ml (6/Cs)
$14.52 $20.00
Bluelab Probe Care Kit - pH
$10.89 $16.50
Bluelab 2.77EC Conductivity Solution 500 ml (6/Cs)
$8.06 $11.10
Bluelab Nutrient Probe Care Kit Conductivity (14/Cs)
$9.21 $13.00
GH 1500 PPM Reference Solution 8 oz (12/Cs)
$5.38 $8.92
Bluelab Guardian Connect
$306.90 $464.00
Bluelab PeriPod M4
$861.30 $1,309.00
Bluelab PeriPod M3
$656.70 $979.00
Mad Farmer Get Down 275 Gallon (1/Cs)
$3,190.00 $4,500.00
Mad Farmer Get Up 275 Gallon (1/Cs)
Emerald Harvest pH Down 55 Gallon/208 Liter
$1,215.53 $1,578.53
Emerald Harvest pH Up 55 Gallon/208 Liter
Mad Farmer Get Down 55 Gallon (1/Cs)
$660.00 $925.00
Mad Farmer Get Up 55 Gallon (1/Cs)
Mad Farmer Get Down 30 Gallon (1/Cs)
$390.50 $550.00
Mad Farmer Get Up 30 Gallon (1/Cs)
Bluelab Guardian Monitor
$272.80 $411.00
Bluelab Combo Plus Meter - Probe Included
$238.70 $360.00
Sure Test Commercial Multi-Meter w/ pH Conductivity Probes (DO Probe Sold Separately)
$208.45 $379.50
Bluelab Combo Meter
$204.60 $308.00
Bluelab Pulse Multimedia EC/MC Meter
Bluelab Growers Toolbox
$141.90 $213.00
Bluelab Original Truncheon Meter
$95.70 $145.00
Bluelab Commercial Truncheon Meter
Sure Test Commercial Replacement DO Probe
$83.44 $151.50
Bluelab Leap pH Probe (Probe Only)
$82.50 $124.00
Bluelab pH Pen
$78.10 $116.00
Alchemist pH Up Non-Caustic 2.5 Gallon (2/Cs)
$70.07 $115.50
Alchemist pH Down Non-Corrosive 2.5 Gallon (2/Cs)
Sure Test Pro pH Pen w/ Replaceable Probe +/- 0.05 ATC
$69.52 $126.50
Sure Test Temperature and Relative Humidity Data-Logger
$63.75 $105.50
Bluelab Conductivity Pen
$64.90 $97.00
Sure Test Pro EC / TDS Pen
$57.92 $105.50
Sure Test Base Plus pH Pen +/- 0.05 ATC
Oakton Waterproof EcoTestr pH 1
$54.33 $77.02
HM Waterproof EC/TDS/Temp Combo Meter
$50.55 $76.95
Bluelab Replacement pH Probe
$49.76 $75.00
Sure Test Commercial Replacement pH Probe
$46.41 $84.35
Sure Test Commercial Replacement EC Probe
Accurate pH 8 Soil pH & Moisture Meter
$44.55 $77.95
Sure Test Pro pH Pen Replacement Probe
$42.89 $78.05
Emerald Harvest pH Down Gallon/3.79 Liter (4/Cs)
$37.82 $62.51
Alchemist pH Up Non-Caustic Gallon (4/Cs)
$35.08 $57.95
Alchemist pH Down Non-Corrosive Gallon (4/Cs)
Bluelab pH Up 1 Gallon
$34.12 $47.00
HM Digital pH 80 Meter
$30.69 $46.50
Bluelab pH Down 1 Gallon
$29.38 $40.50
