pH, EC & TDS
Showing 81–96 of 202 results
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Mad Farmer Get Up 1 Gallon
Sale!$29.99$18.15
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GH pH Test Indicator 8 oz
Sale!$143.52$82.85
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Sure Test Commercial Lab Meter Replacement ORP Probe
Sale!$210.50$116.05
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Sure Test Commercial pH / EC / TDS / ORP Lab Meter
Sale!$529.95$98.81
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HM Waterproof EC/TDS/Temp Combo Meter
Sale!$76.95$50.55
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HM Digital pH 80 Meter
Sale!$46.50$31.53
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Bluelab Connect Stick
Sale!$158.10$107.19
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pHydrion Litmus Paper. (ph Test Strip) (ONLY 1 IN STOCK)
Sale!$12.95$11.36
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Bluelab Probe Care Kit – Conductivity
Sale!$11.90$8.08
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Bluelab pH 7.0 Calibration Solution 20ml (carton of 25)
Sale!$45.00$30.51
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Bluelab pH 4.0 Calibration Solution 20ml (carton of 25)
Sale!$45.00$30.51
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Bluelab PeriPod M4 120ml/min per pump
Sale!$1,229.00$830.55
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Bluelab PeriPod M3 120ml/min per pump
Sale!$919.00$632.80
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Technaflora pH Up, 1 L
Sale!$14.09$7.94
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Oakton pHTestr 30 w/0.01 pH Accuracy, Temperature Display & ATC (Automatic Temperature Compensation)
Sale!$191.99$130.16
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EcoTestr pH2+ Pocket pH Meter
Sale!$104.99$71.18
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Showing 81–96 of 202 results