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26 Records Returned 10 Records Displayed.   << Previous | 1 | 2 | 3 | Next >>     Click for More Info   Hanna pH/EC/TDS/Temperature Monitor, 0.7 conv Hanna Instruments HI981504-7 pH/TDS/Temperature Monitor. Designed for continuous monitoring of pH, TDS and temperature, the HI 981504 is simple to install and can be placed above the sample to be tested. Product ID: MT-HI-981504-7 Category:  pH and Nutrient- pH and Nutrient Monitoring and Control $310.95 Sale Price: $248.76 Savings: $62.19 Quantity     Click for More Info   Hanna PRIMO TDS Tester The Primo pocket TDS meter gives a direct digital readout in mg/L (1mg/L is the same as 1ppm), on a clear LCD display and is ideal for water testing. Product ID: HI-PRIMO Category:  pH and Nutrient- pH and Nutrient Monitoring and Control $38.50 Sale Price: $30.80 Savings: $7.70 Quantity     Click for More Info   General Hydroponics 4.0 pH Calibration Solution The 4.0 Calibration Solution is all that gardeners need for their ph meter calibration. The user simply dips the probe in a small amount of the balanced solution for one minute and adjust the meter according to instructions. Product ID: XGHCALIBRATION4 Category:  pH and Nutrient- pH and Nutrient Monitoring and Control Choose a Size 8oz $6.361 quart $19.96 Quantity     Click for More Info   General Hydroponics Meter Calibration Solutions Calibrate many popular brands of PH, EC, and TDS Meters. Product ID: XGHSOLUTIONS Category:  pH and Nutrient- pH and Nutrient Monitoring and Control Choose Size PH 4.01 Cal Solution 8oz $6.36PH 4.01 Cal Solution Quart $19.96PH 7.01 Cal Solution 8oz $6.36PH 7.01 Cal Solution Quart $19.96 Quantity     Click for More Info   Hanna PH Calibration Solution Two-point calibration (using both 4.0 & 7.0 buffers) ensures the most accurate calibration possible. Product ID: XPHCALIBRATEX Category:  pH and Nutrient- pH and Nutrient Monitoring and Control Choose Your 4.01 pH Calibration Qty NoneIndividual Packet $1.20Case of 25 Packets $26.36 Choose Your 7.01 pH Calibration Qty NoneIndividual Packet $1.20Case of 25 Packets $26.36 Quantity     Click for More Info   Rapitest Soil pH Meter Flexible cable is ideal for hanging baskets or hard to reach plants. Measures pH range of 4 to 8. Includes pH information for over 400 plants on inside package. Product ID: MT-SOPH-M Category:  pH and Nutrient- pH and Nutrient Monitoring and Control $18.95 Sale Price: $15.16 Savings: $3.79 Quantity     Click for More Info   General Hydroponics 7.0 pH Calibration Solution General Hydroponics 7.0 standard reference solution. The 7.0 Calibration solution is great for 1 or 2 point pH meter calibration. Product ID: XGHCALIBRATION7 Category:  pH and Nutrient- pH and Nutrient Monitoring and Control Choose a Size 8 oz $6.361 quart $19.96 Quantity     Click for More Info   Bluelab Conductivity Probe Cleaning Kit This kit contains everything needed to clean a conductivity probe to ensure accurate readings and prolong probes useful life. Includes detailed instructions, de-canter vessel, probe cleaner, probe chamois, and conductivity standard solution. Product ID: MT-CSBL-CCK Category:  pH and Nutrient- pH and Nutrient Monitoring and Control $21.50 Sale Price: $17.20 Savings: $4.30 Quantity     Click for More Info   Bluelab pH Probe Cleaning Kit The Bluelab pH Probe Cleaning Kit contains everything needed to clean a pH probe and ensure accurate readings. Includes detailed instructions, de-canter vessels, probe cleaner, cleaning tool, toothbrush, and calibration solutions. Product ID: MT-CSBL-PHK Category:  pH and Nutrient- pH and Nutrient Monitoring and Control $35.50 Sale Price: $28.40 Savings: $7.10 Quantity     Click for More Info   Hanna Checker 1 pH Tester, HI-98103 Unlike other pH testers, the Checker electrode can be changed and any pH electrode of different shape or size can be used. Checker is also suitable for checking electrodes in pipes and tanks and various other applications. Product ID: MT-HI-98103 Category:  pH and Nutrient- pH and Nutrient Monitoring and Control $44.95 Sale Price: $35.95 Savings: $9.00 Quantity     << Previous | 1 | 2 | 3 | Next >>

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