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Quick Calibration Solution Sachets for Hanna pH and EC Meters, 20 mL, 25-Count
Prices start at : 36.99 USD / each

Quickly calibrate your compatible Hanna Instruments device! Use this Quick-Cal solution your Hanna pH and EC/TDS meters. Each measures 20 mL in volume. Hanna Instruments specially formulated their line of calibration solutions.

Specs

    • Quantity: 25: Specs
    • pH calibration buffer value: 6.86 pH: Specs
    • Single-use sachets: Product Features
    • EC calibration standard value: 5,000 μS/cm (5.00 mS/cm): Specs
    • Volume: 20 mL: Specs
    Ohio
    Piqua
    Hanna Conductivity Standard Solutions, 230 mL
    Prices start at : 16.99 USD / each

    Each bottle includes a certificate of analysis. Find your desired S/cm value below. This process ensures the quality of the solution. Calibrate the conductivity of your Hanna Instruments device! Hanna Instruments prepares this EC solution against an NIST-traceable...

    Product Features

      • S/cm Value: 1413 S/cm at 25° C
      • Airtight bottle with tamper-proof seal: Product Features
      • Temperature chart/ actual S/cm values printed on each bottle: Product Features
      • uS/cm Value: 1413 uS/cm at 25° C
      • Weight: 0.55 pounds: Specs
      Ohio
      Piqua
      Quick Calibration Solution for Hanna pH and EC Meters, 230 mL
      Prices start at : 16.99 USD / each

      Hanna prints both the lot number and expiration date on each bottle. Hanna Instruments specially formulated their line of calibration solutions. Each unopened bottle has an expiration date of 5 years from the date of manufacture.

      Product Features

        Specs

          • Expiration date and lot number stamped on bottle: Product Features
          • Airtight seal to ensure quality: Product Features
          • pH calibration buffer value: 6.86 pH: Specs
          • Weight: 0.55 pounds: Specs
          Ohio
          Piqua
          PH Electrode for Hanna Instruments HI98131 & HI98129
          Prices start at : 59.99 USD / each

          Simply lock the unit into place — no pins to line up means that you are less likely to break it! Use this spare pH sensor for the following Hanna Instruments models: HI98131 — GroLine Waterproof Hydroponic pH EC TDS Temperature Pocket Tester HI98129...

          Specs

            • Body material: Polypropylene: Specs
            • Diameter: 5 mm: Specs
            • Connection type: Pin: Specs
            • Tip shape: spherical: Specs
            • Recommended operating temperature: -5 to 50° C (23 to 122° F): Specs
            • pH: 0 to 14: Specs
            Ohio
            Piqua
            Hanna Electrode Storage Solution, 230 mL
            Prices start at : 16.99 USD / each

            This results from storing your probe in a solution with highly-concentrated inner-reference electrolytes. If so, soak the electrode in this solution for at least one hour prior to taking measurements.

            Product Features

              • Expiration date and lot number: Product Features
              • Weight: 0.55 pounds: Specs
              • Electrode storage solution: Product Features
              Ohio
              Piqua
              Hanna pH Calibration Buffers, 230 mL
              Prices start at : 16.99 USD / each

              Hanna provides a certificate of analysis with each bottle. Find your desired pH value below. This process ensures the quality of the solution. Calibrate the pH range of your Hanna Instruments device! Hanna Instruments high-quality pH calibration buffers...

              Specs

                • Weight: 0.55 pounds: Specs
                • pH Value: 4.01
                • pH value: Varies — see individual product page for details: Specs
                • Volume: 230 mL: Specs
                • Certificate of analysis included: Product Features
                Ohio
                Piqua
                GroLine Waterproof Hydroponics pH/EC/TDS/Temperature Portable Meter
                Prices start at : 259.99 USD / each

                Use these meters in hydroponic, aquaponic, or greenhouse growing. Slim, lightweight, and waterproof! Do you desire accurate and consistent measurements for your growing operation? Their HI9814 model uses a single, amplified probe.

                Specs

                  • 3-in-1 amplified probe —: Product Features
                  • TDS accuracy: ± 2% F.S.: Specs
                  • Environment: -5 to 50° C (23 to 122° F); RH max 100%: Specs
                  • TDS resolution: 10 ppm (mg/L): Specs
                  • Temperature resolution: 0.1° C / 0.1° F: Specs
                  • Weight: 205 grams (7.2 ounces): Specs
                  Ohio
                  Piqua
                  Irrometer Moisture Monitor For Soilless Mixes
                  Prices start at : 151.49 USD / each

                  The Model "LT" is the ultimate in sensitivity at the very "Wet" end of the soil water range(below 20 centibars of soil water suction)! It was designed to operate in very low water holding capacity soils (coarse sand) and non-soil planting mixes used in...
                  • Length: 12in
                  Ohio
                  Piqua
                  Soil Moisture Meter - 24in. probe
                  Prices start at : 107.99 USD / each

                  The scientific way to water! Accurate instruments give you instant, accurate moisture readings. Probe - Instant, easy-to-read display. Meters can be calibrated to the soil type for reliable results.
                  Ohio
                  Piqua
                  Soil Sampler With Step 36in. Probe
                  Prices start at : 79.99 USD / each

                  A back saver! Foot step for better penetration in tough soils! Taper cut tip goes in easy and cuts a nice clean core, insuring complete sample removal. Core is approximately 14.25in.
                  Ohio
                  Piqua
                  Hanna Instruments 1413 mC/cm Solution, 230 ml
                  Prices start at : 15.99 USD / each

                  To use, pour a small amount into a container and discard the remainder after each use. Calibration solution for EC meters Conductivity calibration solution for meters measuring EC (electrical conductivity).
                  Ohio
                  Piqua
                  Kelway Meter Acidity Tester
                  Prices start at : 69.99 USD / each

                  Use in slightly moistened soil to get readouts you can depend on. Lasts for years when properly cared for. The PHD is scientific and does not operate on batteries. Popular among universities and rose growers! Soil pH meter - From the same great maker...

                  FAQ

                    • How does the meter work?: FAQ
                    • Kelway deals direct in supplying these sheets. Call 201-847-8353, or write Kel Instruments, PO Box 54, Wyckoff, NJ 07481. They will not sell meters direct but do offer the cleansing sheets.: FAQ
                    • When not in use the meter should read neutral at pH of 7. There is an adjustment screw in order to calibrate periodically if needed.: FAQ
                    • Why choose a direct reading soil tester?: FAQ
                    • The meter utilizes a tiny flow of current through the two metal plates located on each side of the units housing.: FAQ
                    • It is made in Japan.: FAQ
                    Ohio
                    Piqua
                    New! Soil Savvytm Soil Test Kit
                    Prices start at : 34.99 USD / each

                    Follow the provided instructions to submit your soil sample. This kit contains everything you need to test your soil and determine your need for organic or synthetic nutrient products.

                    Product Benefits

                      Product Features

                        • Contains all components and instructions required: Product Features
                        • Easy to use - just collect sample, mail, and wait: Product Benefits
                        • Analysis tailored to your own soil: Product Benefits
                        • Eliminate costly over-application of nutrient products: Product Benefits
                        • Tests both organic and synthetic nutrient products: Product Features
                        Ohio
                        Piqua
                        Do-It-Yourself Soil Test Kit, Box of 40 Tests
                        Prices start at : 19.99 USD / each

                        Easy-to-use one tablet reagents, ideal pH ranges and NPK levels for over 100 plants and detailed, diagrammed instructions. Do-it-yourself soil test kit takes forty readings! Contains 40 tests (ten each) for nitrogen, phosphorous, potash, and pH.
                        Ohio
                        Piqua
                        Replacement Probe for Hanna Instruments HI9813-6
                        Prices start at : 110.99 USD / each

                        Use it to measure pH, EC/TDS, and temperature. Hanna pre-amplifies this 3-in-1 probe. This probe measures multiple parameters with a single test. Replace your Hanna Instruments probe! Hanna Instruments designed this replacement probe to fit their HI9813-6...

                        Specs

                          Product Features

                            • Amperometric EC/TDS Sensor: Product Features
                            • Recommended operating temperature: 0 to 50° C (32 to 122° F) LT: Specs
                            • Reference: Single, Ag/AgCl: Specs
                            • Built-In Temperature Sensor: Product Features
                            • Max pressure: 0.1 bar: Specs
                            • Diameter: 16 mm: Specs
                            Ohio
                            Piqua
                            Hanna Instruments Storage Solution for pH Water Testers, 16 oz
                            Prices start at : 19.99 USD / each

                            Ensure optimum performance of your pH electrodes! You must store a pH electrode in a solution to keep the glass membrane of the pH electrode hydrated. Never store an electrode in distilled or deionized water as those liquids can cause an inaccurate instrument...
                            Ohio
                            Piqua
                            Kelway PH and Moisture Tester
                            Prices start at : 143.99 USD / each

                            Kelway pocket size soil tester needs no chemicals - simply insert in soil for instant reading! Push button switch for measuring pH ranges from 3.5 to 8. Also measures soil moisture.
                            Ohio
                            Piqua
                            Direct Soil and Soilless Media pH Electrode for Hanna Instruments HI9814
                            Prices start at : 209.99 USD / each

                            Find the HI9814 tester HERE . For use with HI9814 Meter only! They make the conic pH sensing tip with low-temperature glass. Measure pH in soil and soilless media! Hanna Instruments designed this electrode for use with their HI9814 GroLine tester via...

                            Specs

                              Product Features

                                • Max pressure: 0.1 bar: Specs
                                • Body length: 120 mm: Specs
                                • Built-in temperature sensor: Product Features
                                • Triple ceramic junction: Product Features
                                • Low-temperature glass: Product Features
                                • Diameter: 12 mm: Specs
                                Ohio
                                Piqua
                                Hydrofarm Quantum PAR Light Meter
                                Prices start at : 162.99 USD / each

                                This sensor measures PAR (Photosynthetically Active Radiation) flux in wavelengths ranging from 400 to 700 nm (nanometers). Perfect for greenhouse or hydroponics operations! The Quantum PAR light meter is a fully portable handheld PAR meter.

                                Product Features

                                  • Proprietary data logging sofware available at Hydrofarm.com: Product Features
                                  • Low power consumption with built-in low batter power indication: Product Features
                                  • Data logging capability using USB cable (included): Product Features
                                  • Automatic sun or electric light calibration modes ensure accurate readings regardless of light source: Product Features
                                  Ohio
                                  Piqua
                                  Meter Dual PH and Fertilizer Tester
                                  Prices start at : 24.99 USD / each

                                  Also checks a combination of nitrogen, phosphorus and potash to let you know when your fertilizer levels are too high or too low. Directions include desired range for 350 plants; new lawn seeding, agriculture crops, small and large fruits, vegetables,...
                                  Ohio
                                  Piqua
                                  Hanna Combo pH/EC/TDS/Temperature PPM Tester
                                  Prices start at : 159.99 USD / each

                                  You no longer have to switch between meters for your routine measurements! The sealed housing protects against humidity and allows the entire unit to float. Add a few drops of storage solution to the protective cap when storing the meter.

                                  Product Features

                                    • Tactile grip casings: Product Features
                                    • BEPS (Battery Error Prevention System): Product Features
                                    • Comes with electrode, electrode removal tool, 4 1.5 volt batteries, and instructions: Product Features
                                    • Measures in parts per million (PPM): Product Features
                                    • Automatic shut-off: Product Features
                                    • Replaceable pH electrode cartridge: Product Features
                                    Ohio
                                    Piqua
                                    Hanna General-Purpose Cleaning Solution, 230 mL
                                    Prices start at : 16.99 USD / each

                                    Keep your electrodes clean! A dirty electrode produces inaccurate results. This ensures that the probe is always clean and prevents any clogging of the junction. Use Hanna Instruments cleaning solution to keep them clean! Residue builds up on your electrode...

                                    Product Features

                                      • Specially formulated for cleaning electrodes: Product Features
                                      • Printed expiration date and lot number: Product Features
                                      • Volume: 230 mL: Specs
                                      Ohio
                                      Piqua
                                      Soil Moisture Meter Top Read 9in Probe
                                      Prices start at : 107.99 USD / each

                                      The scientific way to water! Accurate instruments give you instant, accurate moisture readings. A handy 9" probe length. Meters can be calibrated to the soil type for reliable results.
                                      Ohio
                                      Piqua
                                      Hanna Instruments pH 4 Calibration Solution, 500 ml
                                      Prices start at : 19.99 USD / each

                                      Premixed pH 4 calibration solution A premixed calibration solution designed for pH meters when measuring pH levels below 7. Then use 4.01 as a second buffer solution and wait for your meter to stabilize to 4.01.
                                      Ohio
                                      Piqua
                                      Irrometer Moisture Monitor Field Application
                                      Prices start at : 116.19 USD / each

                                      As water is drawn from the soil by the roots, a partial vacuum is created, and pressure is recorded on the gauge. Gauge readings 0-100 centibar. (However, the LT series is especially designed for non-soil mixes.) With each initial order a service unit...
                                      • Length: 12 in
                                      Ohio
                                      Piqua
                                      4-Way Soil Analyzer Meter
                                      Prices start at : 34.99 USD / each

                                      Lets you know when fertilizer levels are too high or too low. Provides the percentage of moisture in your soil. How the meter works: The pH meter works by using different metals in the probes.
                                      Ohio
                                      Piqua
                                      Shockproof Rubber Boot for Hanna Instruments HI9814
                                      Prices start at : 35.99 USD / each

                                      It also resists ozone and other environmental phenomena. Hanna makes this boot in our signature A.M. Leonard orange color! This special boot helps prevent damage due to accidental impact.

                                      Product Features

                                        • Enhanced shockproof protection: Product Features
                                        • Made of durable silicone rubber: Product Features
                                        • Fits Hanna meters that measure 6.0 inches x 2.3 inches x 1.2 inches: Product Features
                                        Ohio
                                        Piqua