company logo
Bluelab pH 4.0 & 7.0 Calibration Solution Kit - pH Meter & pH Pen Calibration for Balanced Nutrient Solution NIST Certified | Hydroponics, Gardening & Growing Tents (500 ml/ 16.9 Fl Oz Each)

Bluelab pH 4.0 & 7.0 Calibration Solution Kit - pH Meter & pH Pen Calibration for Balanced Nutrient Solution NIST Certified | Hydroponics, Gardening & Growing Tents (500 ml/ 16.9 Fl Oz Each)

(366 reviews)

Availability: In Stock

Category:  Beer Brewing & Wine Making Testing

$8.99 $10.79

Quantity

1

RELATED PRODUCTS

bluelab GL56732898 PH 4.0 Calibration Solution, 500 milliliters lab-Chemical-Standards, Natural

bluelab GL56732898 PH 4.0 Calibration Solution, 500 milliliters lab-Chemical-Standards, Natural

$249.99

(28)

Bluelab pH 4.0 Calibration Solution 250ml 732897

Bluelab pH 4.0 Calibration Solution 250ml 732897

$10.45

(287)

pH Buffer Calibration Solution, pH 7.00 — 1 Gallon — NIST Traceable Reference Standards for All pH Meters — Color Coded Yellow

pH Buffer Calibration Solution, pH 7.00 — 1 Gallon — NIST Traceable Reference Standards for All pH Meters — Color Coded Yellow

$14.95

(46)

pH Buffer Calibration Solution 2-Pack — 1 Gallon Each: pH 4.00 and pH 7.00 — NIST Traceable Reference Standards for All pH Meters

pH Buffer Calibration Solution 2-Pack — 1 Gallon Each: pH 4.00 and pH 7.00 — NIST Traceable Reference Standards for All pH Meters

$23

(173)

pH Buffer Calibration Solution, pH 10.00 — 1 Quart (950 mL) — NIST Traceable Reference Standards for All pH Meters — Color Coded Blue

pH Buffer Calibration Solution, pH 10.00 — 1 Quart (950 mL) — NIST Traceable Reference Standards for All pH Meters — Color Coded Blue

$6.99

(98)

pH Buffer Calibration Solution Kit 2-Pack — one pH 4.00 (red) and one pH 7.00 (Yellow), Each 500 mL (1.06 Pint) — NIST Traceable Reference Standards for All pH Meters

pH Buffer Calibration Solution Kit 2-Pack — one pH 4.00 (red) and one pH 7.00 (Yellow), Each 500 mL (1.06 Pint) — NIST Traceable Reference Standards for All pH Meters

$25.99

(123)

pH Buffer Calibration Solution 3-Pack — 1 Gallon Each: pH 4.00, pH 7.00 and pH 10.00 — NIST Traceable Reference Standards for All pH Meters

pH Buffer Calibration Solution 3-Pack — 1 Gallon Each: pH 4.00, pH 7.00 and pH 10.00 — NIST Traceable Reference Standards for All pH Meters

$69

(6)

pH Buffer Calibration Solution 2-Pack — 1 Gallon Each: pH 7.00 and pH 10.00 — NIST Traceable Reference Standards for All pH Meters

pH Buffer Calibration Solution 2-Pack — 1 Gallon Each: pH 7.00 and pH 10.00 — NIST Traceable Reference Standards for All pH Meters

$23.5

(58)

pH Buffer Calibration Solution Kit 2-Pack — one pH 4.00 (red) and one pH 7.00 (Yellow), Each 250 mL (8.4 fl oz) — NIST Traceable Reference Standards for All pH Meters

pH Buffer Calibration Solution Kit 2-Pack — one pH 4.00 (red) and one pH 7.00 (Yellow), Each 250 mL (8.4 fl oz) — NIST Traceable Reference Standards for All pH Meters

$23

(40)

pH Buffer Calibration Solution, pH 4.00 — 1 Quart (950 mL) — NIST Traceable Reference Standards for All pH Meters | Color Coded Red

pH Buffer Calibration Solution, pH 4.00 — 1 Quart (950 mL) — NIST Traceable Reference Standards for All pH Meters | Color Coded Red

$34.99

(17)

pH Buffer Calibration Solution 3-Pack: pH 4.00 Buffer, pH 7.00 Buffer, and Electrode Storage Solution — 250 mL (8.4 fl oz) Each — NIST Traceable Reference Standards for All pH Meters

pH Buffer Calibration Solution 3-Pack: pH 4.00 Buffer, pH 7.00 Buffer, and Electrode Storage Solution — 250 mL (8.4 fl oz) Each — NIST Traceable Reference Standards for All pH Meters

$7.96

(2065)

pH Buffer Calibration Solution Kit 3-Pack: pH 4.00, pH 7.00, pH 10.00 Buffers — 500 mL (1.06 Pint) Each — Color Coded — NIST Traceable for All pH Meters

pH Buffer Calibration Solution Kit 3-Pack: pH 4.00, pH 7.00, pH 10.00 Buffers — 500 mL (1.06 Pint) Each — Color Coded — NIST Traceable for All pH Meters

$23

(173)

pH Buffer Calibration Solution Kit 3-Pack: pH 4.00, pH 7.00, pH 10.00 Buffers — 250 ml (8.4 fl oz) Each — Color Coded — NIST Traceable for All pH Meters

pH Buffer Calibration Solution Kit 3-Pack: pH 4.00, pH 7.00, pH 10.00 Buffers — 250 ml (8.4 fl oz) Each — Color Coded — NIST Traceable for All pH Meters

$19.98

(2125)

Bluelab Calibration Solution pH 4.0, 7.0 and 2.77 EC Conductivity Solution, 500 ml Each

Bluelab Calibration Solution pH 4.0, 7.0 and 2.77 EC Conductivity Solution, 500 ml Each

$18.24

(90)

BlueLab 2.77EC Conductivity Solution, PH 7.0, and PH 4.0 Calibration Solution Set 250 Milliliters

BlueLab 2.77EC Conductivity Solution, PH 7.0, and PH 4.0 Calibration Solution Set 250 Milliliters

$15.99

(72)

pH Buffer Calibration Kit: 2×250-mL (8.4 fl oz) Bottles, one pH 7.00 and one pH 10.00 — NIST Traceable Reference Standards

pH Buffer Calibration Kit: 2×250-mL (8.4 fl oz) Bottles, one pH 7.00 and one pH 10.00 — NIST Traceable Reference Standards

$39

(24)

pH Buffer Calibration Solution Kit 4-Pack — 250 mL (8.4 fl oz) Each: pH 4.00 Buffer, pH 7.00 Buffer, pH 10.00 Buffer, and Electrode Storage Solution — NIST Traceable Reference Standards

pH Buffer Calibration Solution Kit 4-Pack — 250 mL (8.4 fl oz) Each: pH 4.00 Buffer, pH 7.00 Buffer, pH 10.00 Buffer, and Electrode Storage Solution — NIST Traceable Reference Standards

$39

(24)

Bluelab STSOL120 KCL Storage Solution 120ml pH Probe and Pen, Maintain Meters Used for Water, Soil, and Hydroponic System or Indoor Plant Grow White

Bluelab STSOL120 KCL Storage Solution 120ml pH Probe and Pen, Maintain Meters Used for Water, Soil, and Hydroponic System or Indoor Plant Grow White

$9.99

(342)

pH Buffer Calibration Kit 3-Pack: 250 mL (8.4 fl oz) Each of pH 4.00, pH 6.86, and pH 9.18 — NIST Traceable Reference Standards for All pH Meters

pH Buffer Calibration Kit 3-Pack: 250 mL (8.4 fl oz) Each of pH 4.00, pH 6.86, and pH 9.18 — NIST Traceable Reference Standards for All pH Meters

$39

(8)

bluelab pH Pen-Digital pH Tester - Reliable & Accurate for High Yield Crops - Hand-Held Meter - Measures pH & Temperature in Solutions and Soil Solutions - Optimize Plant Health & Performance,White

bluelab pH Pen-Digital pH Tester - Reliable & Accurate for High Yield Crops - Hand-Held Meter - Measures pH & Temperature in Solutions and Soil Solutions - Optimize Plant Health & Performance,White

$6.99

(171)

PINPOINT® High-Precision pH Calibration Fluids Kit (pH Buffer Solution), 12 Piece Set - pH 4.000, 7.000, 10.000

PINPOINT® High-Precision pH Calibration Fluids Kit (pH Buffer Solution), 12 Piece Set - pH 4.000, 7.000, 10.000

$23

(20)

Innovating Science pH Calibration Solution 4.00, 7.00, 10.00 & pH Electrode Storage Solution, 500ml - 16.9oz (Pack of 4) - Premium pH Buffer Solution Kit

Innovating Science pH Calibration Solution 4.00, 7.00, 10.00 & pH Electrode Storage Solution, 500ml - 16.9oz (Pack of 4) - Premium pH Buffer Solution Kit

$14.95

(46)

pH Buffer Calibration Kit 2-Pack — 250 mL (8.4 fl oz) Bottle of Each: pH 4.00 and pH 7.00 | Color Coded

pH Buffer Calibration Kit 2-Pack — 250 mL (8.4 fl oz) Bottle of Each: pH 4.00 and pH 7.00 | Color Coded

$14.99

(49)

Pinpoint® High-Precision pH Calibration Fluids Kit (pH Buffer Solution), 10 Piece Set - 4.000, 7.000

Pinpoint® High-Precision pH Calibration Fluids Kit (pH Buffer Solution), 10 Piece Set - 4.000, 7.000

$23

(219)

Atlas Scientific pH 4.00, 7.00, & 10.00 Calibration Solution 125ml - 4oz (Pack of 3)

Atlas Scientific pH 4.00, 7.00, & 10.00 Calibration Solution 125ml - 4oz (Pack of 3)

$34.95

(68)

Atlas Scientific pH Calibration Solution 4.00 & 7.00 125ml - 4oz (Pack of 2)

Atlas Scientific pH Calibration Solution 4.00 & 7.00 125ml - 4oz (Pack of 2)

$71.58

(9)

Pinpoint® High-Precision pH Calibration Fluids Kit (pH Buffer Solution), 10 Piece Set - 7.000, 10.000

Pinpoint® High-Precision pH Calibration Fluids Kit (pH Buffer Solution), 10 Piece Set - 7.000, 10.000

$23.5

(58)

Atlas Scientific pH 4.00, 7.00, 10.00, & pH Electrode Storage Calibration Solution 125ml - 4oz (Pack of 4)

Atlas Scientific pH 4.00, 7.00, 10.00, & pH Electrode Storage Calibration Solution 125ml - 4oz (Pack of 4)

$22.54

(70)

pH Buffer Solution Powder for pH Meter Calibration | 30 Packs, 10 Packets Each of pH 4.00, 6.86, 9.18

pH Buffer Solution Powder for pH Meter Calibration | 30 Packs, 10 Packets Each of pH 4.00, 6.86, 9.18

$17.99

(80)

Bluelab CAREKITPH pH Probe Care Kit with Calibration Supplies, Storage Solution, and Brush, Used for Pen, Meter, Monitor, Controller and Tools for Hydroponic System and Indoor Plant Grow, Clear

Bluelab CAREKITPH pH Probe Care Kit with Calibration Supplies, Storage Solution, and Brush, Used for Pen, Meter, Monitor, Controller and Tools for Hydroponic System and Indoor Plant Grow, Clear

$16.9

(167)

4x20ml, pH 4 + 4 + 7 + 7 Milwaukee Buffer Solution, for Digital pH Meter Calibration

4x20ml, pH 4 + 4 + 7 + 7 Milwaukee Buffer Solution, for Digital pH Meter Calibration

$16.99

(23)

15-Pack pH Meter Buffer Solution Powder for Precise and Easy PH Calibration, PH Calibration Powder Solution 6.86,4.01,9.18

15-Pack pH Meter Buffer Solution Powder for Precise and Easy PH Calibration, PH Calibration Powder Solution 6.86,4.01,9.18

$21.99

(8)

BOJACK 15 Pack of pH Meter Buffer Solution Powder for Precise and Easy PH Calibration, PH Calibration Powder Solution 4.01pH,6.86pH and 9.18pH

BOJACK 15 Pack of pH Meter Buffer Solution Powder for Precise and Easy PH Calibration, PH Calibration Powder Solution 4.01pH,6.86pH and 9.18pH

$30.5

(47)

AC Infinity pH Meter PRO Kit, High Precision Digital pH Pen with ±0.01 pH Accuracy and Interchangeable Probe, Nutrient Test pH Meter for Water Hydroponics Plants, Gardening, Aquariums, Swimming Pools

AC Infinity pH Meter PRO Kit, High Precision Digital pH Pen with ±0.01 pH Accuracy and Interchangeable Probe, Nutrient Test pH Meter for Water Hydroponics Plants, Gardening, Aquariums, Swimming Pools

$19.99

(269)

PH Meter for Water Hydroponics Digital PH Tester Pen 0.01 High Accuracy Pocket Size with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium

PH Meter for Water Hydroponics Digital PH Tester Pen 0.01 High Accuracy Pocket Size with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium

$22.99

(15554)

Bluelab STSOL100BL STSOL100 KCL Storage Solution for pH Probes, 100ml, 100 ML, natural

Bluelab STSOL100BL STSOL100 KCL Storage Solution for pH Probes, 100ml, 100 ML, natural

$71.49

(4)

2 in 1 Temperature pH Monitor Meter Tester Sensor Test Kit 0~14 pH Automatic Calibration BNC Electrode Probe for Hydroponic ph Aquarium Meter Water Lab Food Drinking Water pH of Saltwater/Seawater

2 in 1 Temperature pH Monitor Meter Tester Sensor Test Kit 0~14 pH Automatic Calibration BNC Electrode Probe for Hydroponic ph Aquarium Meter Water Lab Food Drinking Water pH of Saltwater/Seawater

$19.99

(7)

FOLLOWIN pH Up and Down Control Kit (9oz+9oz), Hydroponics pH Tester Calibration Adjuster Buffer Solution Combo for Soil Gardening Plants Pool A Balanced Nutrient

FOLLOWIN pH Up and Down Control Kit (9oz+9oz), Hydroponics pH Tester Calibration Adjuster Buffer Solution Combo for Soil Gardening Plants Pool A Balanced Nutrient

$3.84

(589)

DuvinDD 18 Pack pH Meter Buffer Solution Powder 6.86/4.00/9.18, pH Calibration Solution Packets for Precise PH Meter

DuvinDD 18 Pack pH Meter Buffer Solution Powder 6.86/4.00/9.18, pH Calibration Solution Packets for Precise PH Meter

$14.84

(1422)

Nynelly 15pcs pH Meter Buffer Solution Powder for Precise and Easy for Precise pH Calibration Powder Solution 4.00,6.86,9.18

Nynelly 15pcs pH Meter Buffer Solution Powder for Precise and Easy for Precise pH Calibration Powder Solution 4.00,6.86,9.18

$23.5

(58)

ACME Analytical Solutions pH 7 Buffer Solution, pH Calibration Solution, pH Meter Calibration Solution, NIST Traceable Reference Standard, Designed for All pH Meters, 3.8 Liter (1 Gallon)

ACME Analytical Solutions pH 7 Buffer Solution, pH Calibration Solution, pH Meter Calibration Solution, NIST Traceable Reference Standard, Designed for All pH Meters, 3.8 Liter (1 Gallon)

$34.99

(17)

Nynelly 15 Pack pH Meter Buffer Solution Powder pH 6.86, 4.01, 9.18 for Precise Calibrate pH Meter, pH Calibration Powder Solution, pH Tester Calibration Powder Packets

Nynelly 15 Pack pH Meter Buffer Solution Powder pH 6.86, 4.01, 9.18 for Precise Calibrate pH Meter, pH Calibration Powder Solution, pH Tester Calibration Powder Packets

$22

(345)

Hanna Instruments HI7004L 4.01 pH Calibration Buffer Solution, 500mL Bottle

Hanna Instruments HI7004L 4.01 pH Calibration Buffer Solution, 500mL Bottle

$6.99

(98)

Bluelab METMULTI Multimedia Meter for Water, Soil, Coco, Rockwool, Rootzone Measurements with Easy Calibration and Leap pH Probe Digital Testing Kit for Hydroponic System and Indoor Plant Grow, Clear

Bluelab METMULTI Multimedia Meter for Water, Soil, Coco, Rockwool, Rootzone Measurements with Easy Calibration and Leap pH Probe Digital Testing Kit for Hydroponic System and Indoor Plant Grow, Clear

$184.8

(39)

Hanna Instruments HI7007L 7.01 pH Calibration Buffer Solution, 500mL Bottle

Hanna Instruments HI7007L 7.01 pH Calibration Buffer Solution, 500mL Bottle

$21.99

(8)

YINMIK pH Meter Calibration Solution Kit(4.00,7.00&10.01) with pH Protective Solution Kit,3 Bottles 50ml pH Calibration Buffer Solution and 2 bottels 10ml KCL pH Probe Solution for pH Meters

YINMIK pH Meter Calibration Solution Kit(4.00,7.00&10.01) with pH Protective Solution Kit,3 Bottles 50ml pH Calibration Buffer Solution and 2 bottels 10ml KCL pH Probe Solution for pH Meters

$7.99

(450)

Bluelab METCOMPLUS Combo Meter PLUS for pH, Temperature, and Conductivity in Water and Soil with Easy Calibration, Digital Nutrient (TDS) Testing Kit for Hydroponic System and Indoor Plant Grow

Bluelab METCOMPLUS Combo Meter PLUS for pH, Temperature, and Conductivity in Water and Soil with Easy Calibration, Digital Nutrient (TDS) Testing Kit for Hydroponic System and Indoor Plant Grow

$159.5

(290)

pH 7 Buffer Calibration Solution

pH 7 Buffer Calibration Solution

$14.95

(46)

Atlas Scientific pH 4.00 Calibration Solution Pouches (Box of 25)

Atlas Scientific pH 4.00 Calibration Solution Pouches (Box of 25)

$50

(27)

RCYAGO PH Meter, 5 in 1 PH/TDS/EC/Salinity/Temp Meter with ATC, 0.01 Resolution High Accuracy Water Testing for Drinking Water, Hydroponics, Seawater, Aquariums, Fish Tank and Swimming Pools

RCYAGO PH Meter, 5 in 1 PH/TDS/EC/Salinity/Temp Meter with ATC, 0.01 Resolution High Accuracy Water Testing for Drinking Water, Hydroponics, Seawater, Aquariums, Fish Tank and Swimming Pools

$10.79

(1)

GISNPA 7 in 1 pH/TDS/EC/ORP/S.G/Salinity/Temp Meter with ATC pH Tester, 0.01 Resolution High Accuracy Digital pH Meter, Water Tester for Drinking, Hydroponics, Swimming Pool and Aquarium

GISNPA 7 in 1 pH/TDS/EC/ORP/S.G/Salinity/Temp Meter with ATC pH Tester, 0.01 Resolution High Accuracy Digital pH Meter, Water Tester for Drinking, Hydroponics, Swimming Pool and Aquarium

$29.95

(46)

ACME Analytical Solutions pH 10 Buffer Solution, Color Coded Blue, pH Calibration Solution, Gallon Sized Bottle, NIST Traceable Reference Standard, Works with All pH Meters, Made in The USA

ACME Analytical Solutions pH 10 Buffer Solution, Color Coded Blue, pH Calibration Solution, Gallon Sized Bottle, NIST Traceable Reference Standard, Works with All pH Meters, Made in The USA

$16.99

(23)

Nynelly Only 6.86,15pcs pH Meter Buffer Solution Powder for Precise and Easy for Precise pH Calibration Powder Solution

Nynelly Only 6.86,15pcs pH Meter Buffer Solution Powder for Precise and Easy for Precise pH Calibration Powder Solution

$15.99

(72)

pH Up and pH Down Control Kit — 250 mL (8.4 fl oz) Each — Achieve The Perfect pH — Great for Hydroponics

pH Up and pH Down Control Kit — 250 mL (8.4 fl oz) Each — Achieve The Perfect pH — Great for Hydroponics

$19.65

(33)

Atlas Scientific pH 10.00 Calibration Solution Pouches (Box of 25)

Atlas Scientific pH 10.00 Calibration Solution Pouches (Box of 25)

$23

(20)

Hanna Instruments Quick Calibration Solution for GroLine pH and EC Meters (500 ml) HI5036-050

Hanna Instruments Quick Calibration Solution for GroLine pH and EC Meters (500 ml) HI5036-050

$38.99

(2127)

VIVOSUN PH Meter Digital PH Tester Pen 0.01 High Accuracy Water Quality Tester with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium, with ATC, Army Green

VIVOSUN PH Meter Digital PH Tester Pen 0.01 High Accuracy Water Quality Tester with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium, with ATC, Army Green

$95.24

(3095)

Apera Instruments, LLC-AI1109 8oz. pH Calibration Buffer Solution Kit (pH 4.00, 7.00 & 10.01), plus 4oz 3M KCL Storage Solution for pH/ORP Electrodes

Apera Instruments, LLC-AI1109 8oz. pH Calibration Buffer Solution Kit (pH 4.00, 7.00 & 10.01), plus 4oz 3M KCL Storage Solution for pH/ORP Electrodes

$8.99

(57)

Bluelab METCOM Combo Meter for pH, Temperature, Conductivity (Nutrient) in Water with Easy Calibration, Digital TDS Tester for Hydroponic System and Indoor Plants

Bluelab METCOM Combo Meter for pH, Temperature, Conductivity (Nutrient) in Water with Easy Calibration, Digital TDS Tester for Hydroponic System and Indoor Plants

$29.9

(1)

General Hydroponics pH Control Kit for a Balanced Nutrient Solution

General Hydroponics pH Control Kit for a Balanced Nutrient Solution

$17.26

(6888)