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pH / TDS Meter Calibration Solutions
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Internet Sale Price: Starting at $7.95
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General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics technicians check each batch to ensure that our solutions... Read More
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Internet Sale Price: Starting at $7.95
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General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics technicians check each batch to ensure that our solutions... Read More
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Internet Sale Price: $6.95
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Control Wizard 1382 Calibration Solution 4oz - Control Wizard Products 1382 Conductivity Standard. Use to calibrate all meters that use the 1 EC to 500 ppm water standard.... Read More
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Internet Sale Price: $8.95
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General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics technicians check each batch to ensure that our solutions... Read More
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Suggested Retail: $19.29
Internet Sale Price: $15.99
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Hanna Meter Calibration Solution pH 7.01 - 16 oz . Works with all brands of meters. HI 5007... Read More
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Suggested Retail: $18.75
Internet Sale Price: $15.99
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Hanna Meter Calibration Solution pH 4.01 - 16 oz . Works with all brands of meters. HI 5004... Read More
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Suggested Retail: $20.49
Internet Sale Price: $16.99
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Hanna Meter Calibration Solution EC 1413 - 16 oz . HI 7031L... Read More
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Suggested Retail: $20.49
Internet Sale Price: $16.99
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Hanna Meter Calibration Solution TDS 1500 - 16 oz . HI 70442L... Read More
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Suggested Retail: $34.99
Internet Sale Price: $28.99
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Bluelab pH Probe Calibration and Cleaning Kit - Full color laminated instruction. 4.0 and 7.0 Calibration solutions. De-canter vessel. Probe cleaner. Toothbrush.... Read More
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