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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

Hanna Instruments specially formulated their line of calibration solutions. Hanna prints both the lot number and expiration date on each sachet. Using the Quick Cal function found in compatible meters allows for single-point calibration for pH and conductivity...

Product Features

    Specs

      • Ready to use fresh solution for accurate calibration: Product Features
      • Two calibration solutions in one: Product Features
      • EC calibration standard value: 5,000 μS/cm (5.00 mS/cm): Specs
      • Light block packaging: Product Features
      • pH calibration buffer value: 6.86 pH: Specs
      Ohio
      Piqua
      Hanna Conductivity Standard Solutions, 230 mL
      Prices start at : 16.99 USD / each

      Each unopened bottle of solution has an expiration date of 5 years from the date of manufacture. This process ensures the quality of the solution. They then apply a tamper-proof seal.

      Product Features

        Specs

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

          Each unopened bottle has an expiration date of 5 years from the date of manufacture. Using the Quick Cal function found in compatible meters allows for single-point calibration for pH and conductivity sensors.

          Product Features

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

            Make electrode replacement quick and easy! Hanna Instruments designed this electrode as an easy-fit cartridge. 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...

            Specs

              • Electrolyte: Gel: Specs
              • Body material: Polypropylene: Specs
              • Reference: single, Ag/AgCl: Specs
              • Junction / Flow rate: Cloth: Specs
              • Max pressure: 0.1 bar: Specs
              • Easy-fit cartridge locks into place: Product Features
              Ohio
              Piqua
              Hanna Electrode Storage Solution, 230 mL
              Prices start at : 16.99 USD / each

              Maintaining both a hydrated layer and clear junction results in a faster and more reliable measurement. Never store you electrode in distilled or de-ionized water. The most important solution for your Hanna device! Hanna Instruments prepares their storage...

              Product Features

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

                Each unopened bottle of solution has an expiration date of 5 years from the date of manufacture. This process ensures the quality of the solution. They then apply a tamper-proof seal.

                Product Features

                  Specs

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

                    Slim, lightweight, and waterproof! Do you desire accurate and consistent measurements for your growing operation? Their HI9814 model uses a single, amplified probe. This probe measures pH, conductivity (EC), total dissolved solids (TDS), and temperature.

                    Specs

                      Product Features

                        • Measures pH, EC, TDS, and temperature: Product Features
                        • pH accuracy: ± 0.01 pH: Specs
                        • Auto shut-off timer: 8 minutes of non-use: Specs
                        • Automatic temperature compensation: Product Features
                        • pH resolution: 0.01 pH: Specs
                        • pH range: 0.00 to 14.00 pH: 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. Top mounted meter. 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

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

                        The PHD is scientific and does not operate on batteries. Accurate to within a +/- .2 pH in acidic soils. Use in slightly moistened soil to get readouts you can depend on. Popular among universities and rose growers! Soil pH meter - From the same great...

                        FAQ

                          • Use the dull side.: FAQ
                          • Which side of the cleansing sheet do I use?: 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
                          • 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
                          • Where can I get the green cleansing sheets to clean the Kelway Acidity Tester?: FAQ
                          • Can the meter be calibrated?: FAQ
                          Ohio
                          Piqua
                          New! Soil Savvytm Soil Test Kit
                          Prices start at : 34.99 USD / each

                          Start by placing a sample of the soil into the provided Soil Savvytm container. Once the analysis is complete, your results will show up in your email inbox! Soil testing provides a truly sustainable approach to fertilizer management.

                          Product Benefits

                            Product Features

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

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

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

                              Product Features

                                Specs

                                  • Amperometric EC/TDS Sensor: Product Features
                                  • Overall length: 185 mm: Specs
                                  • Quick Connect DIN Connector: Product Features
                                  • Tip shape: spherical (8 mm): Specs
                                  • Pre-amplified pH Electrode: Product Features
                                  • Body length: 95 mm: Specs
                                  Ohio
                                  Piqua
                                  Hanna Instruments Storage Solution for pH Water Testers, 16 oz
                                  Prices start at : 19.99 USD / each

                                  This solution minimizes microbial growth and prevents the ill effects that can occur from diffusion or osmosis. Maintaining a hydrated layer and a clear junction ensures a fast and reliable measurement from your instruments.
                                  Ohio
                                  Piqua
                                  Kelway PH and Moisture Tester
                                  Prices start at : 143.99 USD / each

                                  Also measures soil moisture. Not designed for alkaline soils of 7.5+ pH or greater. Can be calibrated to maintain accuracy. Accuracy +/- .2 pH in acidic soils. Kelway pocket size soil tester needs no chemicals - simply insert in soil for instant reading!...
                                  Ohio
                                  Piqua
                                  Direct Soil and Soilless Media pH Electrode for Hanna Instruments HI9814
                                  Prices start at : 209.99 USD / each

                                  These features compensate for temperature when taking pH readings. They make the conic pH sensing tip with low-temperature glass. This electrode features a triple-ceramic junction in the outer reference cell.

                                  Product Features

                                    Specs

                                      • Refillable with 3.5M KCl + AgCl: Product Features
                                      • Recommended operating temperature: -5 to 70° C (23 to 158° F) - LT: Specs
                                      • Built-in temperature sensor: Product Features
                                      • Max pressure: 0.1 bar: Specs
                                      • Triple ceramic junction: Product Features
                                      • Low-temperature glass: Product Features
                                      Ohio
                                      Piqua
                                      Hydrofarm Quantum PAR Light Meter
                                      Prices start at : 162.99 USD / each

                                      Perfect for greenhouse or hydroponics operations! The Quantum PAR light meter is a fully portable handheld PAR meter. Plants use this range in the process of photosynthesis. Use this tool for greenhouse operations or hydroponic grow operations to ensure...

                                      Product Features

                                        • Automatic sun or electric light calibration modes ensure accurate readings regardless of light source: Product Features
                                        • Constant linear response curve yields higher accuracy independent of wavelength: Product Features
                                        • Measures up to 10,000 micromoles compared with 2,000 micromoles for other meters on the market: Product Features
                                        • Data logging capability using USB cable (included): Product Features
                                        Ohio
                                        Piqua
                                        Meter Dual PH and Fertilizer Tester
                                        Prices start at : 24.99 USD / each

                                        Accurately determines acid/alkaline soil composition in just one minute. Also checks a combination of nitrogen, phosphorus and potash to let you know when your fertilizer levels are too high or too low.
                                        Ohio
                                        Piqua
                                        Hanna Combo pH/EC/TDS/Temperature PPM Tester
                                        Prices start at : 159.99 USD / each

                                        When you have finished with the unit, rinse the electrode with water to minimize contamination. These units come calibrated, but you need to clean the meter between readings with a calibration solution.

                                        Product Features

                                          • Automatic temperature compensation: Product Features
                                          • Not for use in soil unless using a soil slurry: Product Features
                                          • Automatic 1 or 2 point pH calibration: Product Features
                                          • Measures in parts per million (PPM): Product Features
                                          • Replaceable pH electrode cartridge: Product Features
                                          • Waterproof and designed to float: Product Features
                                          Ohio
                                          Piqua
                                          Hanna General-Purpose Cleaning Solution, 230 mL
                                          Prices start at : 16.99 USD / each

                                          Use Hanna Instruments cleaning solution to keep them clean! Residue builds up on your electrode when you immerse in samples during measurement. Use this cleaning solution to eliminate these impurities and residues.

                                          Specs

                                            • Specially formulated for cleaning electrodes: Product Features
                                            • Weight: 0.55 pounds: Specs
                                            • Volume: 230 mL: Specs
                                            Ohio
                                            Piqua
                                            Soil Moisture Meter Top Read 9in Probe
                                            Prices start at : 107.99 USD / each

                                            Perfect for potted plants! 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

                                            Discard buffers after each use. 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

                                            Replaceable ceramic tip. (However, the LT series is especially designed for non-soil mixes.) With each initial order a service unit is required. High readings indicate very low levels of moisture inhibiting maximum plant growth.Measures the amount of...
                                            • Length: 12 in
                                            Ohio
                                            Piqua
                                            4-Way Soil Analyzer Meter
                                            ★★★★★
                                            Prices start at : 34.99 USD / each

                                            When they are inserted in damp soil, the different metals react with each other to create an electrical current. Like many metals exposed to dampness, over time, the metal on the right probe has a tendency to oxidize, which puts a coating on the probe,...
                                            Ohio
                                            Piqua
                                            Shockproof Rubber Boot for Hanna Instruments HI9814
                                            Prices start at : 35.99 USD / each

                                            It also makes it easier for you to hold your instrument! This boot withstands high temperatures of up to 200° C (392° F). It also resists ozone and other environmental phenomena.

                                            Product Features

                                              • Fits Hanna meters that measure 6.0 inches x 2.3 inches x 1.2 inches: Product Features
                                              • Enhanced shockproof protection: Product Features
                                              • Increased tactile feel allows for easier handling: Product Features
                                              Ohio
                                              Piqua
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