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Meters, Timers & Instruments: Calibration, Storage & Cleaning Solutions, pH Up & Down

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Displaying 41 to 60 (of 198 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  [Next >>] 
 Sort by Popularity-   Manufacturer   Product(s)   Model   Price   Buy Now 
 8 oz. pH 4.01 Solution (16/Case)   Hanna Instruments   8 oz. pH 4.01 Solution (16/Case) 
8 oz. pH 4.01 Solution (16/Case) (eco-5487)8 oz. pH 4.01 Solution sold individually Manufacturer's Product Information MSRP $14 ... Note: Calibration Buffer Solutions are available separately. — Ships from Seattle, Washington USA....more info.
 eco-5487   $10.48 
 8 oz. pH 7.01 Solution (16/Case)   Hanna Instruments   8 oz. pH 7.01 Solution (16/Case) 
8 oz. pH 7.01 Solution (16/Case) (eco-5488)8 oz. pH 7.01 Solution sold individually Manufacturer's Product Information MSRP $14 ... Note: Calibration Buffer Solutions are available separately. — Ships from Seattle, Washington USA....more info.
 eco-5488   $10.48 
 pH 7.01 Calibration Sol. 25x20ml (case of 25)   Hanna Instruments   pH 7.01 Calibration Sol. 25x20ml (case of 25) 
Hanna Instruments pH 7.01 Calibration Sol. 25x20 (HI70007P)pH 7 is the most frequently used pH buffer. All Hanna solution bottles come with a pH vs. temperature chart together with the production lot # and expiration date to guarantee maximum accuracy. Formulation Hanna pH buffers are made of potassium dihydrogen phosphate and disodium hydrogen phosphate and are standardized with ... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-HI70007P   $24.76 
 pH UP, 1 lt   Technaflora   pH UP, 1 lt 
Technaflora pH UP, 1 lt (TFPHU1L)Technaflora's pH Up and pH Down enable the gardener to moderate and maintain optimum pH levels. The pH scale is a measure that describes the relative acidity or alkalinity of a solution or medium. Both pH-balancing aids are manufactured using the highest-quality ingredients: potassium hydroxide to raise pH and nitric acid to lower pH. At the same ti... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-TFPHU1L   $7.85 
 Bluelab pH Probe KCI Storage Solution   Bluelab   Bluelab pH Probe KCI Storage Solution 
Bluelab Bluelab pH Probe KCI Storage Solution (BLU1008)The perfect solution to store and hydrate your Bluelab pH products. Bluelab knows it is extremely important to care for and store pH probes correctly. pH probes are sensitive glass instruments which age through normal use. The life and performance of pH probes is reduced heavily when they are stored dry. Bluelab pH Probe KCI ... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-BLU1008   $9.60 
 pH 4 Buffer Solution. 16 fl oz   Control Wizard   pH 4 Buffer Solution. 16 fl oz 
Control Wizard Products 4.0 pH Buffer Solution 16 oz. bottle. Can be used to calibrate Hanna, Myron L., Oakton, and other brands of pH meters.... — Ships from Portland, Oregon USA....more info.
 NT695   $8.36 
 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   $4.63 
 pH 4.01 Calibration Sol. 25x20ml (case of 25)   Hanna Instruments   pH 4.01 Calibration Sol. 25x20ml (case of 25) 
Hanna Instruments pH 4.01 Calibration Sol. 25x20 (HI70004P)Hanna's Buffer solutions are made from established formulas and are standardized with a pH meter that is calibrated to NBS/NIST primary standard buffer solutions. The 20 mL sachets are ideal for infrequent calibrations while for heavy-duty applications, you can choose from the popular 230 mL, 1 liter, or 1 gallon containers... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-HI70004P   $24.76 
 pH Up (dry) 1.5 lbs   General Hydroponics   pH Up (dry) 1.5 lbs 
pH Up (dry) 1.5 lbs (eco-2817)pH Up Dry 1.5lbs. Base pH Up: Base formulated using Potassium Hydroxide and Potassium Carbonate. Add a little at a time if your nutrient pH is too low in order to raise the pH to the proper level. To maximize plant growth, the pH content of your nutrients should be slightly acidic. Experienced growers consider the ideal pH for most crops to fall betw... — Ships from Seattle, Washington USA....more info.
 eco-2817   $8.76 
 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 (not via USPS)....more info.
 hf-GH1571   $5.49 
 Bluelab pH 7.0 Calibration Solution 250ml (6/Cs)   Bluelab   Bluelab pH 7.0 Calibration Solution 250ml (6/Cs) 
Bluelab pH 7.0 Calibration Solution pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration Solutions should be stored in a cool place out of direct sun and heat. Please keep out of reach of children. They should be stored with th... Note: Calibration Buffer Solutions are available separately. This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 732895   $6.02 
 pH 4.01 CAL SOLUTION QUART QUART (12/CASE)   General Hydroponics   pH 4.01 CAL SOLUTION QUART QUART (12/CASE) 
Genesis pH Calibration Tri-Pack Solutions PH 4.01 CAL SOLUTION QUART (12 User friendly Tri-Packs contain everything you need to properly calibrate or maintain your meters. Manufacturer's Product Information 2007 MSRP Each $24.95 Case Weight29.02 LB Case Dimensions13.75 x 10.5 x 9.5 IN Case Qu... This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 722020   $13.20 
 pH Down Gallon Acid   General Hydroponics   pH Down Gallon Acid 
pH Down Gallon Acid (eco-2826)pH Down 1 gal Acid pH Down: Acid formulated using food grade Phosphoric acid. Just add a little at a time if your nutrient pH is too high in order to lower the pH to the proper level. To maximize plant growth, the pH content of your nutrients should be slightly acidic. Experienced growers consider the ideal pH for most crops to fall between 5.5 and 6.5... — Ships from Seattle, Washington USA....more info.
 eco-2826   $15.71 
 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 (not via USPS)....more info.
 hf-HMDC1000   $5.22 
 1500 PPM Buffer Solution. 16 fl oz   Control Wizard   1500 PPM Buffer Solution. 16 fl oz 
Control Wizard Products 442-1500 PPM Buffer Solution 16 oz. bottle. Used to calibrate Myron L. & other TDS meters that use the 442 standard.... — Ships from Portland, Oregon USA....more info.
 NT725   $9.30 
 1500 ppm Calibration Solution 1 qt   General Hydroponics   1500 ppm Calibration Solution 1 qt 
General Hydroponics 1500 ppm Calibration Solution 1 qt (GH1572)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 (not via USPS)....more info.
 hf-GH1572   $13.20 
 8 oz. 1500 PPM Solution (16/Case)   Hanna Instruments   8 oz. 1500 PPM Solution (16/Case) 
8 oz. 1500 PPM Solution (16/Case) (eco-5489)8 oz. 1500 PPM Solution sold individually Manufacturer's Product Information MSRP $14 ... — Ships from Seattle, Washington USA....more info.
 eco-5489   $10.48 
 Bluelab pH 4.0 Calibration Solution 250ml (6/Cs)   Bluelab   Bluelab pH 4.0 Calibration Solution 250ml (6/Cs) 
Bluelab pH 4.0 Calibration Solution pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration Solutions should be stored in a cool place out of direct sun and heat. Please keep out of reach of children. They should be stored with th... Note: Calibration Buffer Solutions are available separately. This item is sold individually. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 732897   $6.02 
 pH Down Acid Gallon, case of 4   General Hydroponics   pH Down Acid Gallon, case of 4 
General Hydroponics pH Down Acid Gallon (GH1533) To maximize plant growth, the pH content of your nutrients should be slightly acidic. Experienced growers consider the ideal pH for most crops to fall between 5.5 and 6.5. Users of General Hydroponics nutrient products generally do not experience problems maintaining the proper pH range because our formulas are pH buffered. However,... — LTL Shipping Required. — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-GH1533   $60.04 
 pH Up Quart Base   General Hydroponics   pH Up Quart Base 
pH Up Quart Base (eco-2815)pH Up 1 qt Base pH Up: Base formulated using Potassium Hydroxide and Potassium Carbonate. Add a little at a time if your nutrient pH is too low in order to raise the pH to the proper level. To maximize plant growth, the pH content of your nutrients should be slightly acidic. Experienced growers consider the ideal pH for most crops to fall between 5.5... — LTL Shipping Required. — Ships from Seattle, Washington USA....more info.
 eco-2815   $6.28 
Displaying 41 to 60 (of 198 products) Result Pages: [<< Prev]   1  2  3  4  5  6  7  8  9  10  [Next >>] 
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