跳至内容
Your Delivery may be delayed due to Covid pandemic. Know More
Your Delivery may be delayed due to Covid pandemic. Know More

Calibration & Reference Solutions

  • Out of Stock

    GH pH Test Kit 1 oz

    $9.59
    $9.59 - $9.59
    $9.59
    $1.25
    $1.25 - $1.25
    $1.25

    General Hydroponics® pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and obs...

    查看完整细节
    $9.59
    $9.59 - $9.59
    $9.59
    $1.25
    $1.25 - $1.25
    $1.25
    Out of Stock
  • Out of Stock

    Bluelab pH 7.0 Calibration Solution 500 ml

    $18.90
    $18.90 - $18.90
    $18.90
    $10.53
    $10.53 - $10.53
    $10.53

    pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated...

    查看完整细节
    $18.90
    $18.90 - $18.90
    $18.90
    $10.53
    $10.53 - $10.53
    $10.53
    Out of Stock
  • Out of Stock

    Bluelab pH 4.0 Calibration Solution 500 ml

    $18.90
    $18.90 - $18.90
    $18.90
    $10.53
    $10.53 - $10.53
    $10.53

    pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated...

    查看完整细节
    $18.90
    $18.90 - $18.90
    $18.90
    $10.53
    $10.53 - $10.53
    $10.53
    Out of Stock
  • Out of Stock

    GH pH 7.01 Calibration Solution 8 oz

    $9.03
    $9.03 - $9.03
    $9.03
    $4.31
    $4.31 - $4.31
    $4.31

    General Hydroponics® uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl...

    查看完整细节
    $9.03
    $9.03 - $9.03
    $9.03
    $4.31
    $4.31 - $4.31
    $4.31
    Out of Stock
  • Out of Stock

    GH pH 4.01 Calibration Solution 8 oz

    $9.03
    $9.03 - $9.03
    $9.03
    $1.12
    $1.12 - $1.12
    $1.12

    General Hydroponics® uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl...

    查看完整细节
    $9.03
    $9.03 - $9.03
    $9.03
    $1.12
    $1.12 - $1.12
    $1.12
    Out of Stock
  • Out of Stock

    GH pH 7.01 Calibration Solution Quart

    $25.75
    $25.75 - $25.75
    $25.75
    $0.80
    $0.80 - $0.80
    $0.80

    General Hydroponics® uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl...

    查看完整细节
    $25.75
    $25.75 - $25.75
    $25.75
    $0.80
    $0.80 - $0.80
    $0.80
    Out of Stock
  • Out of Stock

    Bluelab pH 7.0 Calibration Solution 250 ml

    $10.50
    $10.50 - $10.50
    $10.50
    $1.73
    $1.73 - $1.73
    $1.73

    pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated...

    查看完整细节
    $10.50
    $10.50 - $10.50
    $10.50
    $1.73
    $1.73 - $1.73
    $1.73
    Out of Stock
  • Out of Stock

    Bluelab 2.77EC Conductivity Solution 500 ml

    $18.90
    $18.90 - $18.90
    $18.90
    $12.44
    $12.44 - $12.44
    $12.44

    The EC2.77 solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solutions shoul...

    查看完整细节
    $18.90
    $18.90 - $18.90
    $18.90
    $12.44
    $12.44 - $12.44
    $12.44
    Out of Stock
  • Out of Stock

    Bluelab pH 4.0 Calibration Solution 250 ml

    $10.50
    $10.50 - $10.50
    $10.50
    $1.86
    $1.86 - $1.86
    $1.86

    pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated...

    查看完整细节
    $10.50
    $10.50 - $10.50
    $10.50
    $1.86
    $1.86 - $1.86
    $1.86
    Out of Stock
  • FALSE
    Out of Stock

    Bluelab pH Down 1 Gallon

    $0.00 - $0.00
    $0.00
    $40.50
    $40.50 - $40.50
    $40.50

    $0.00 - $0.00
    $0.00
    $40.50
    $40.50 - $40.50
    $40.50
    Out of Stock
  • Out of Stock

    GH pH 4.01 Calibration Solution Quart

    $25.75
    $25.75 - $25.75
    $25.75
    $13.95
    $13.95 - $13.95
    $13.95

    General Hydroponics® uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl...

    查看完整细节
    $25.75
    $25.75 - $25.75
    $25.75
    $13.95
    $13.95 - $13.95
    $13.95
    Out of Stock
  • Out of Stock

    Bluelab 2.77EC Conductivity Solution 250 ml

    $10.50
    $10.50 - $10.50
    $10.50
    $6.91
    $6.91 - $6.91
    $6.91

    The EC2.77 solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solutions shoul...

    查看完整细节
    $10.50
    $10.50 - $10.50
    $10.50
    $6.91
    $6.91 - $6.91
    $6.91
    Out of Stock
  • Out of Stock

    SureTest pH Test Strip Kit 5.5 - 8.0

    $7.99 - $7.99
    $7.99
    $7.99 - $7.99
    $7.99

    $7.99 - $7.99
    $7.99
    $7.99 - $7.99
    $7.99
    Out of Stock
  • FALSE
    Out of Stock

    Bluelab pH Down 1 Liter

    $0.00 - $0.00
    $0.00
    $12.99
    $12.99 - $12.99
    $12.99

    $0.00 - $0.00
    $0.00
    $12.99
    $12.99 - $12.99
    $12.99
    Out of Stock
  • Out of Stock

    GH 1500 PPM Reference Solution 8 oz

    $5.99 - $5.99
    $5.99
    $5.99 - $5.99
    $5.99

    $5.99 - $5.99
    $5.99
    $5.99 - $5.99
    $5.99
    Out of Stock
  • Out of Stock

    HM Digital 1000 PPM Calibration Solution

    $4.97 - $4.97
    $4.97
    $4.97 - $4.97
    $4.97

    $4.97 - $4.97
    $4.97
    $4.97 - $4.97
    $4.97
    Out of Stock
  • FALSE
    Out of Stock

    Bluelab pH 7.0 Calibration Solution 20 ml Sachets, Pack of 25 Pieces

    $36.49 - $36.49
    $36.49
    $36.49 - $36.49
    $36.49

    Price shown is per unit; add to cart for case price.

    $36.49 - $36.49
    $36.49
    $36.49 - $36.49
    $36.49
    Out of Stock
  • Out of Stock

    Oakton Calibration pH 7.01 500 ml

    $16.41 - $16.41
    $16.41
    $16.41 - $16.41
    $16.41

    $16.41 - $16.41
    $16.41
    $16.41 - $16.41
    $16.41
    Out of Stock
  • FALSE
    Out of Stock

    Bluelab pH Down 500 ml

    $13.00
    $13.00 - $13.00
    $13.00
    $7.07
    $7.07 - $7.07
    $7.07

    $13.00
    $13.00 - $13.00
    $13.00
    $7.07
    $7.07 - $7.07
    $7.07
    Out of Stock
  • FALSE
    Out of Stock

    Bluelab pH 4.0 Calibration Solution 20 ml Sachets, Pack of 25 Pieces

    $36.49 - $36.49
    $36.49
    $36.49 - $36.49
    $36.49

    Price shown is per unit; add to cart for case price.

    $36.49 - $36.49
    $36.49
    $36.49 - $36.49
    $36.49
    Out of Stock
  • Out of Stock

    Milwaukee M10007B - 20 ml Packet 7.01 Buffer Solution, Pack of 25 Pieces

    $21.56
    $21.56 - $21.56
    $21.56
    $20.45
    $20.45 - $20.45
    $20.45

    Price shown is per unit; add to cart for case price.

    $21.56
    $21.56 - $21.56
    $21.56
    $20.45
    $20.45 - $20.45
    $20.45
    Out of Stock
  • Out of Stock

    Oakton Calibration 1413 TDS 500 ml

    $16.41 - $16.41
    $16.41
    $16.41 - $16.41
    $16.41

    $16.41 - $16.41
    $16.41
    $16.41 - $16.41
    $16.41
    Out of Stock

Calibration & Reference Solutions and Green Houses Benefits

pH measuring pens and probes should always be calibrated regularly in order to give accurate readings in hydroponic system. Good quality hydroponics solutions or reference solutions are thus important and growers need to pick from different pH values based on their requirement. You can also use EC calibration solutions and strips to test the pH of growing media or nutrient solutions. Order Calibration & Reference Solutions such as Bluelab conductivity pen calibration, Advanced Nutrients products online from Zenhydro.