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Displaying 1 to 20 (of 202 products) Result Pages:  1  2  3  4  5  6  7  8  9  10  11  [Next >>] 
 Sort by Popularity   Manufacturer   Product(s)   Model   Price+   Buy Now 
 Nutritest 2 oz Cal Sol 27.7 for Truncheon (Special Order)   American Hydroponics   Nutritest 2 oz Cal Sol 27.7 for Truncheon (Special Order) 
American Hydroponics Nutritest 2 oz Cal Sol 27.7 for Truncheon (AH88004)Calibration solution for the commercial truncheon Manufacturer's Product Information MSRP each $4.95 Dimensions2.4 x 6.7 x 2.3 Case Quantity1 ... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-AH88004   $3.29 
 Cal Sol 1380 parts per million, 2 oz   HydroFarm   Cal Sol 1380 parts per million, 2 oz 
Cal Sol 1380 parts per million, 2 oz (PNCASL)  Manufacturer's Product Information MSRP each $5.98 UPC638104008648 Dimensions17.5 x 3.5 x 32 Case Weight2 Case Quantity12 ... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-PNCASL   $3.31 
 HM 1000 PPM CALIBRATION SOLUTION   HM Digital   HM 1000 PPM CALIBRATION SOLUTION 
HM 1000 PPM CALIBRATION SOLUTION (716170)HM Digital TDS Calibration SolutionFor optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges. NaCl calibration solution. Comes in lightweight HDPE plastic bottles. Sealed with a coated foam liner. ... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716170   $4.44 
 pH 7 Buffer Solution. 4 fl oz   Control Wizard   pH 7 Buffer Solution. 4 fl oz 
Control Wizard Products 7.0 pH Buffer Solution 4 oz. bottle. Can be used to calibrate Hanna, Myron L., Oakton and other brands of pH meters.... — Ships from Portland, Oregon USA....more info.
 NT700   $4.59 
 pH 4 Buffer Solution. 4 fl oz   Control Wizard   pH 4 Buffer Solution. 4 fl oz 
Control Wizard Products 4.0 pH Buffer Solution 4 oz. bottle. Can be used to calibrate Hanna, Myron L., Oakton, and other brands of pH meters.... — Ships from Portland, Oregon USA....more info.
 NT690   $4.59 
 CWP Instruments Store It! Electrode Storing Solution. 4 fl. oz.   Control Wizard   CWP Instruments Store It! Electrode Storing Solution. 4 fl. oz. 
CWP Instruments Store It! Electrode Storing Solution. 4 fl. oz. Store It! is a solution that is used when storing pH electrodes. Electrodes that are stored dry often times do not work properly when it comes time to use them. Use Store it! between tests to keep the glass bulb on your pH meter from drying out.... — Ships from Portland, Oregon USA....more info.
 NT770   $4.59 
 pH 7.0 CAL SOLUTION 8OZ (12/CASE)   General Hydroponics   pH 7.0 CAL SOLUTION 8OZ (12/CASE) 
Genesis pH Calibration Tri-Pack Solutions PH 7.01 CAL SOLUTION 8OZ (12/CA User friendly Tri-Packs contain everything you need to properly calibrate or maintain your meters. Manufacturer's Product Information 2007 MSRP Each $6.95 Case Weight7.95 LB Case Dimensions7.5 x 7.5 x 7.5 IN Case Quantity12... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 722030   $4.60 
 pH 4.01 CAL SOLUTION 8OZ (12/CASE)   General Hydroponics   pH 4.01 CAL SOLUTION 8OZ (12/CASE) 
Genesis pH Calibration Tri-Pack Solutions PH 4.01 CAL SOLUTION 8OZ (12/C User friendly Tri-Packs contain everything you need to properly calibrate or maintain your meters. Manufacturer's Product Information 2007 MSRP Each $6.95 Case Weight7.95 LB Case Dimensions7.5 x 7.5 x 7.5 IN Case Quantity12 ... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 722015   $4.60 
 HM Digital PH-STOR pH Electrode Storage Solution   HM Digital   HM Digital PH-STOR pH Electrode Storage Solution 
HM Digital Meters pH Storage Solution (HMOPSTOR)For use with HM Digital's PH-200 and PH-80 (as well as other brands of pH meters). Always make sure your sensor is kept in an electrode storage solution. If dry, refill the pH meter cap with the PH-STOR storage solution. The sponge should be moist (not soaking wet). Manufacturer's P... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HMOPSTOR   $4.63 
 HM Digital pH Electrode Storage Solution (10/Cs)   HM Digital   HM Digital pH Electrode Storage Solution (10/Cs) 
HM Digital - pH Electrode Storage Solution Always make sure your sensor is kept in an electrode storage solution. If dry, refill the pH meter cap with this specially formulated KCl storage solution for pH and electrodes. Total Volume: 60cc. Not for calibration. To calibrate your pH meter, use a pH buffer solution.... Note: Calibration Buffer Solutions are available separately. This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 716150   $4.66 
 1500 PPM CAL SOLUTION 8OZ (12/CASE)   General Hydroponics   1500 PPM CAL SOLUTION 8OZ (12/CASE) 
Genesis pH Calibration Tri-Pack Solutions 1500 PPM REFERENCE SOLUTION 8OZ (12/ User friendly Tri-Packs contain everything you need to properly calibrate or maintain your meters. Manufacturer's Product Information 2007 MSRP Each $6.95 Case Weight7.85 LB Case Dimensions7.25 x 7.25 x 7.25 IN Cas... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA....more info.
 722005   $5.00 
 pH 7.0 Calibration Solution 8 oz   General Hydroponics   pH 7.0 Calibration Solution 8 oz 
General Hydroponics pH 7.0 Calibration Solution 8 oz (GH1551)General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use our reference solutions widely among many popular brands of meters using the NaCl scale. General Hydroponics technicians check each batch to ensure that our solutions are exactly calibrated each time they are used. ... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GH1551   $5.01 
 pH 4.01 Calibration Solution 8 oz   General Hydroponics   pH 4.01 Calibration Solution 8 oz 
General Hydroponics pH 4.01 Calibration Solution 8 oz (GH1541)General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use our reference solutions widely among many popular brands of meters using the NaCl scale. General Hydroponics technicians check each batch to ensure that our solutions are exactly calibrated each time they are used. ... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GH1541   $5.01 
 Gold Label Nutrients Ultra PH-, 250 ml   Vermicorp Organics   Gold Label Nutrients Ultra PH-, 250 ml 
Gold Label Ultra pH- is a high strength universal acid for adjusting the pH of nutrient solutions. It contains a balanced mix of phosphoric acid, nitric acid and sulfuric acid. Add last to nutrient solutions in small steps in the vegetative and flowering period. Use in combination with Gold Label Base Nutrients.... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-VC995600   $5.17 
 1000ppm Calibration Solution   HM Digital   1000ppm Calibration Solution 
HM Digital Meters 1000ppm Calibration Solution (HMDC1000)NaCl calibration solution 1000 ppm comes in lightweight HDPE plastic bottles. Sealed with a coated foam liner. Manufacturer's Product Information MSRP each $6.5 UPC891144000007 Dimensions2.1 x 2.9 x 8.9 ... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-HMDC1000   $5.19 
 Hydroponic Essentials Calibration 7.0 8oz   HydroFarm   Hydroponic Essentials Calibration 7.0 8oz 
Hydroponic Essentials Hydroponic Essentials Calibration 7.0 8oz (ESCAL87)For the calibration of pH testers. Use in conjunction with pH Buffer 4. Manufacturer's Product Information MSRP each $7.95 UPC638104002424 Dimensions3.25 x 9 x 3.25 Case Weight12 C... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-ESCAL87   $5.30 
 Hydroponic Essentials Calibration 4.01 8oz   HydroFarm   Hydroponic Essentials Calibration 4.01 8oz 
Hydroponic Essentials Hydroponic Essentials Calibration 4.01 8oz (ESCAL84)For the calibration of pH testers. Use in conjunction with pH Buffer 7. Manufacturer's Product Information MSRP each $7.95 UPC638104002431 Dimensions2 x 5 x 2 Case Weight12 Case Q... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-ESCAL84   $5.30 
 1500 ppm Calibration Solution 8 oz   General Hydroponics   1500 ppm Calibration Solution 8 oz 
General Hydroponics 1500 ppm Calibration Solution 8 oz (GH1571)General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use our reference solutions widely among many popular brands of meters using the NaCl scale. General Hydroponics technicians check each batch to ensure that our solutions are exactly calibrated each time they are used. ... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
 hf-GH1571   $5.46 
 1500 PPM Buffer Solution. 4 fl oz   Control Wizard   1500 PPM Buffer Solution. 4 fl oz 
Control Wizard Products 442-1500 PPM Buffer Solution 4 oz. bottle. Used to calibrate Myron L. & other TDS meters that use the 442 standard or .7 ratio of PPM to EC standard.Suitable for meters that use the horticultural/agricultural standards of .68 and .7. This is to say that 1 EC is = to 700 ppm total dissolved salts (TDS). Older style meters would use the water standard or .5 ca... — Ships from Portland, Oregon USA....more info.
 NT720   $5.52 
 1382 PPM Buffer Solution. 4 fl oz   Control Wizard   1382 PPM Buffer Solution. 4 fl oz 
Control Wizard Products 1382 Conductivity Standard. 4 oz. bottle. Use to calibrate all meters that use the 1 EC to 500 ppm water standard. Adwa, Hanna, Oakton, Milwaukie. If your meter won't calibrate chances are you are using the wrong standard to calibrate it.... — Ships from Portland, Oregon USA....more info.
 NT730   $5.52 
Displaying 1 to 20 (of 202 products) Result Pages:  1  2  3  4  5  6  7  8  9  10  11  [Next >>] 
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