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Displaying 21 to 40 (of 73 products) Result Pages: [<< Prev]   1  2  3  4  [Next >>] 
 Sort by Popularity   Manufacturer   Product(s)   Model   Price+   Buy Now 
Bluelab pH 4.0 Calibration Solution 20ml Sachets (Case of 25)  Bluelab  Bluelab pH 4.0 Calibration Solution 20ml Sachets (Case of 25)
Bluelab Calibration and Conductivity Solution Sachets Bluelab's 2.77EC Conductivity Solution, pH 7.0 and pH 4.0 Calibration Solutions are now available in 20ml sachets. Each sold separately. 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 ... Note: Calibration Buffer Solutions are available separately. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 732903   $30.13 
Bluelab pH 7.0 Calibration Solution 20ml Sachets (Case of 25)  Bluelab  Bluelab pH 7.0 Calibration Solution 20ml Sachets (Case of 25)
Bluelab Calibration and Conductivity Solution Sachets Bluelab's 2.77EC Conductivity Solution, pH 7.0 and pH 4.0 Calibration Solutions are now available in 20ml sachets. Each sold separately. 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 ... Note: Calibration Buffer Solutions are available separately. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 732894   $30.13 
Bluelab 2.77EC Conductivity Solutiuon 20ml Sachets (Case of 25)  Bluelab  Bluelab 2.77EC Conductivity Solutiuon 20ml Sachets (Case of 25)
Bluelab Calibration and Conductivity Solution Sachets Bluelab's 2.77EC Conductivity Solution, pH 7.0 and pH 4.0 Calibration Solutions are now available in 20ml sachets. Each sold separately. 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 ... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 732904   $30.13 
Bluelab 2.77 EC Conductivity Solution 250 ml, case of 6  Bluelab  Bluelab 2.77 EC Conductivity Solution 250 ml, case of 6
Calibration and conductivity standard solutions... a must in every grower's toolbox. The Bluelab calibration and conductivity standard solutions are essential for use with all Bluelab products for the calibration of pH and testing the cleanliness of the Bluelab Conductivity/Temperature probe. Bluelab solutions are manufactured specifically for Bluelab products and are referenced ... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-BLU27725   $32.81 
Bluelab pH 4.0 Calibration Solution 250 ml, case of 6  Bluelab  Bluelab pH 4.0 Calibration Solution 250 ml, case of 6
Calibration and conductivity standard solutions... a must in every grower's toolbox. The Bluelab calibration and conductivity standard solutions are essential for use with all Bluelab products for the calibration of pH and testing the cleanliness of the Bluelab Conductivity/Temperature probe. Bluelab solutions are manufactured specifically for Bluelab products and are referenced ... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-BLU4250   $32.81 
Bluelab pH 7.0 Calibration Solution 250 ml, case of 6  Bluelab  Bluelab pH 7.0 Calibration Solution 250 ml, case of 6
Calibration and conductivity standard solutions... a must in every grower's toolbox. The Bluelab calibration and conductivity standard solutions are essential for use with all Bluelab products for the calibration of pH and testing the cleanliness of the Bluelab Conductivity/Temperature probe. Bluelab solutions are manufactured specifically for Bluelab products and are referenced ... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-BLU7250   $32.81 
27.7CF/EC2.77 250ml Cal Sol  Bluelab  27.7CF/EC2.77 250ml Cal Sol
Bluelab 27.7CF/EC2.77 250ml Cal Sol (HD125026)Calibration and conductivity standard solutions... a must in every grower's toolbox. The Bluelab calibration and conductivity standard solutions are essential for use with all Bluelab products for the calibration of pH and testing the cleanliness of the Bluelab Conductivity/Temperature probe. Bluelab solutions are manufactured specifica... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-HD125026   $35.03 
Bluelab External Lockout and Alarm Box  Bluelab  Bluelab External Lockout and Alarm Box
Use the Bluelab® External Lockout & Alarm Box to connect the Bluelab® Pro Controller™ to external switches, for example - a float switch or a greenhouse alarm system. When these switches are activated, the Bluelab® Pro Controller™ is placed in lock out mode, so no further dosing will occur until reset. Comes with built in alarm which can be disabled if required. It can be connected... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 716493   $39.51 
Bluelab pH 7.0 Calibration Solution 500 ml, case of 6  Bluelab  Bluelab pH 7.0 Calibration Solution 500 ml, case of 6
Calibration and conductivity standard solutions... a must in every grower's toolbox. The Bluelab calibration and conductivity standard solutions are essential for use with all Bluelab products for the calibration of pH and testing the cleanliness of the Bluelab Conductivity/Temperature probe. Bluelab solutions are manufactured specifically for Bluelab products and are referenced ... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-BLU7500   $44.58 
Bluelab 2.77 EC Conductivity Solution 500 ml, case of 6  Bluelab  Bluelab 2.77 EC Conductivity Solution 500 ml, case of 6
The 2.77 EC Conductivity solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/CF probe. These solutions should be stored in a cool place out of direct sun and heat.... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-BLU27750   $44.58 
Bluelab Replacement pH Probe for Guardian, Combo, & pH Meter  Bluelab  Bluelab Replacement pH Probe for Guardian, Combo, & pH Meter
Bluelab Bluelab Replacement pH Probe for Guardian, Combo, & pH Meter (BLU24102)Easy to clean because of its bullet shaped glass bulb. Fully waterproof and less fragile than all-glass electrodes because of its tough polypropylene barrel. Gel filled (non-refillable) making it maintenance free and a double junction reference providing longer life! ... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-BLU24102   $46.87 
REPLACEMENT PROBE FOR BLUELAB COMBINATION METER & pH MONITORS  Bluelab  REPLACEMENT PROBE FOR BLUELAB COMBINATION METER & pH MONITORS
Blue Lab Combo Meter PH REPLACEMENT ELECTRODE BLUE Light weight and portableMeasures pH, Nutrient and TemperatureThree display options for nutrient - EC, CF, ppm (500 scale)Two display options for temperature (C or F)Three calibration points, 4, 7 and 10 pHTemperature at a push of a buttonSimple push button pH calibrationAuto turn off functionLarge 13mm (1/2) digital display ... Note: Calibration Buffer Solutions are available separately. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 716445   $46.87 
Bluelab PPM Pen  Bluelab  Bluelab PPM Pen
Bluelab PPM PenMeasures conductivity and temperature. Selectable units for conductivity and temperature. Backlit LCD display with low battery warning. Successful calibration indicator and calibration is optional. Fully waterproof. Auto off function and hold reading function. Automatic temperature compensation. Loop handle for easy dipping and hanging. Units: E... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 716482   $62.83 
Bluelab ppm Pen  Bluelab  Bluelab ppm Pen
Bluelab Bluelab ppm Pen (BLU2221)The ultimate handy solution for measuring conductivity! The Bluelab ppm Pen is the latest innovation for hand held conductivity meters. It provides a compact, quick and handy way to manage the success of your crops. The Bluelab ppm Pen simply tells you that your plants have the right amount of nutrient in your solution and lets you know if adjustmen... — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-BLU2221   $62.83 
BLUELAB® TRUNCHEON™ SOIL pH REPLACEMENT PROBE (SPECIAL ORDER ONLY)  Bluelab  BLUELAB® TRUNCHEON™ SOIL pH REPLACEMENT PROBE (SPECIAL ORDER ONLY)
For BlueLab Soil pH Meter SOIL PH METER REPLACEMENT PROBE ONLY(SO) About the meter: If you need to measure the pH level of soil, media or substrates, then the Bluelab® Soil pH Meter is just what you need! Our meter can be used by everybody from the home enthusiast to commercial growers. 5 year Bluelab® Guarantee (6 month for probe). Quality soil pH probe included. Supplied i... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 716192   $73.66  $68.64 
Soil pH Probe  Bluelab  Soil pH Probe
Bluelab Soil pH Probe (BLU24115)Handy for direct pH testing of soils or pH soil solutions. The non-refillable Bluelab Soil pH Probe is used to measure the pH levels of soil or media of cropping, pasture, containerised plants, home gardens, propagation culture... anywhere that the soils' pH requires testing. The Bluelab Soil pH Probe can be connected to the Bluelab pH Meter and Blue... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-BLU24115   $73.66 
Bluelab pH Pen  Bluelab  Bluelab pH Pen
Bluelab pH Pen Measures pH and temperature. Selectable units for ˚C & ˚F. Backlit LCD display. Double junction probe (not replaceable). Successful calibration indicator. Hold reading function and low battery warning. Fully waterproof with auto off function. Automatic temperature compensat... Note: Calibration Buffer Solutions are available separately. — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 716480   $75.33 
Bluelab pH Pen  Bluelab  Bluelab pH Pen
Bluelab Bluelab pH Pen (BLU2210)The ultimate handy solution for measuring pH! Plants get their nutrition from minerals but they can only get all the right minerals they need if certain conditions are right. A key factor that affects food uptake is whether your solution is acid or alkaline. We measure this in pH. The Bluelab pH Pen is the latest innovation for hand held meters. It p... Note: Calibration Buffer Solutions are available separately. — Ships from HF: OR, CA, CO, PA, TX, FL USA (not via USPS)....more info.
 hf-BLU2210   $75.33 
ORIGINAL TRUNCHEON METER MEASURE EC AND PPM  Bluelab  ORIGINAL TRUNCHEON METER MEASURE EC AND PPM
Original Truncheon™ Meter TRUNCHEON METER (EC/PPM) Features of this reliable meter include: EC, CF and ppm scales, factory calibrated, fully waterproof, auto turn on and off. It is powered by three standard AA batteries. There are no external switches or adjustment knobs. 5 year Bluelab® Guarantee (1 year for probe). Manufacturer's Pro... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 716050   $93.74 
COMMERCIAL TRUNCHEON METER (EC/PPM)  Bluelab  COMMERCIAL TRUNCHEON METER (EC/PPM)
Bluelab Commercial Truncheon® EC(0.4-6.0), CF(4-60) and ppm scales (TDS and 700 scale) Fully waterproof Factory calibrated Auto sense on and off No external switches or adjustable buttons Battery life minimum 1 year (or shelf life of battery) 5 year Bluelab guarantee The Bluelab Commercial Truncheon® Nutrient Meter measures the strength of a nutrient solution, just ... — Ships from SS: WA, CA, CO, MI, TN, PA, FL USA (not via USPS)....more info.
 716049   $93.74 
Displaying 21 to 40 (of 73 products) Result Pages: [<< Prev]   1  2  3  4  [Next >>] 
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Dyna-Gro Root Gel 4 oz
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