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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 prints both the lot number and expiration date on each sachet. Hanna Instruments specially formulated their line of calibration solutions. 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
      • Volume: 20 mL: Specs
      • Expiration date and lot number stamped on packet: Product Features
      • pH calibration buffer value: 6.86 pH: Specs
      • Single-use sachets: Product Features
      Ohio
      Piqua
      Hanna Conductivity Standard Solutions, 230 mL
      Prices start at : 16.99 USD / each

      Each bottle includes a certificate of analysis. They then apply a tamper-proof seal. Each unopened bottle of solution has an expiration date of 5 years from the date of manufacture.

      Product Features

        Specs

          • uS/cm Value: 1413 uS/cm at 25° C
          • Airtight bottle with tamper-proof seal: Product Features
          • S/cm value: Varies— see individual product page for details: Specs
          • Certificate of analysis included: Product Features
          • Size: 230 mL: Specs
          Ohio
          Piqua
          Quick Calibration Solution for Hanna pH and EC Meters, 230 mL
          Prices start at : 16.99 USD / each

          Using the Quick Cal function found in compatible meters allows for single-point calibration for pH and conductivity sensors. Quickly calibrate your compatible Hanna Instruments device! Use this Quick-Cal solution your Hanna pH and EC/TDS meters.

          Product Features

            Specs

              • Two calibration solutions in one: 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

              This cartridge features two o-rings that maintain a watertight seal. 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...

              Specs

                Product Features

                  • Body material: Polypropylene: Specs
                  • Reference: single, Ag/AgCl: Specs
                  • Max pressure: 0.1 bar: Specs
                  • Easy-fit cartridge locks into place: Product Features
                  • Fits Hanna Pocket Testers: Product Features
                  • Recommended operating temperature: -5 to 50° C (23 to 122° F): Specs
                  Ohio
                  Piqua
                  Hanna Electrode Storage Solution, 230 mL
                  Prices start at : 16.99 USD / each

                  When storing your pH electrode, you need to use a storage solution. This keeps the electrodes glass membrane properly hydrated. Maintaining both a hydrated layer and clear junction results in a faster and more reliable measurement.

                  Product Features

                    • Air tight seal ensures quality: Product Features
                    • Electrode storage solution: Product Features
                    • Expiration date and lot number: 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. They then apply a tamper-proof seal. Each unopened bottle of solution has an expiration date of 5 years from the date of manufacture.

                    Specs

                      • Temperature chart / actual pH values printed on each bottle: Product Features
                      • Volume: 230 mL: Specs
                      • Weight: 0.55 pounds: Specs
                      • pH value: Varies — see individual product page for details: Specs
                      • Accuracy: ± 0.02pH at 25° C: 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? Hanna Instruments outfit the HI9814 with a waterproof housing (rated for IP67 conditions).

                      Specs

                        • Measures pH, EC, TDS, and temperature: Product Features
                        • EC resolution: 0.01 mS/cm: Specs
                        • TDS range: 0 to 3000 ppm (0.5 CF); 0 to 3999 ppm (0.7 CF): Specs
                        • Weight: 205 grams (7.2 ounces): Specs
                        • Environment: -5 to 50° C (23 to 122° F); RH max 100%: Specs
                        • TDS resolution: 10 ppm (mg/L): 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. Uses AA or dry cell battery. Probe - Instant, easy-to-read display. Top mounted meter.
                        Ohio
                        Piqua
                        Soil Sampler With Step 36in. Probe
                        ★★★★★
                        Prices start at : 79.99 USD / each

                        Core is approximately 14.25in. 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.
                        Ohio
                        Piqua
                        Hanna Instruments 1413 mC/cm Solution, 230 ml
                        Prices start at : 15.99 USD / each

                        You should calibrate EC meters every 1-4 weeks depending on frequency of use to verify their accuracy. 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

                        Accurate to within a +/- .2 pH in acidic soils. Popular among universities and rose growers! Soil pH meter - From the same great maker of the HB2 meter, comes the soil PHD, a lighter-duty version tester that is just as accurate as the HB2.

                        FAQ

                          • Nutrients cannot dissolve in very acid or alkaline soil.: FAQ
                          • It is made in Japan.: FAQ
                          • Litmus paper is not accurate enough and is difficult to use and interpret. Laboratory glass electrode ph meters require buffer solutions, temperature control, power sources,clean equipment and are very fragile.: FAQ
                          • Why test for soil acidity?: 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
                          • Use the dull side.: FAQ
                          Ohio
                          Piqua
                          New! Soil Savvytm Soil Test Kit
                          Prices start at : 34.99 USD / each

                          This kit contains everything you need to test your soil and determine your need for organic or synthetic nutrient products. Try it today and see how easy soil testing can be! The Soil Savvytm analysis determines which nutrients your plants need most.

                          Product Benefits

                            Product Features

                              • Results sent directly via email and placed on secure website: Product Benefits
                              • Tests pH levels and 14 different nutrients: Product Features
                              • Eliminate costly over-application of nutrient products: Product Benefits
                              • Analysis tailored to your own soil: 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

                              Comes with complete instructions and recommendations for testing and changing soil pH nitrogen, phosphorus, and potassium. 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

                              Replace your Hanna Instruments probe! Hanna Instruments designed this replacement probe to fit their HI9813-6 portable meter. Hanna pre-amplifies this 3-in-1 probe. This probe measures multiple parameters with a single test.

                              Specs

                                Product Features

                                  • Max pressure: 0.1 bar: Specs
                                  • Electrolyte: Gel: Specs
                                  • CAL-Checktm Compatible: Product Features
                                  • Overall length: 185 mm: Specs
                                  • Recommended operating temperature: 0 to 50° C (32 to 122° F) LT: Specs
                                  • Quick Connect DIN Connector: Product Features
                                  Ohio
                                  Piqua
                                  Hanna Instruments Storage Solution for pH Water Testers, 16 oz
                                  Prices start at : 19.99 USD / each

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

                                  Not designed for alkaline soils of 7.5+ pH or greater. Also measures soil moisture. Can be calibrated to maintain accuracy. Kelway pocket size soil tester needs no chemicals - simply insert in soil for instant reading! Push button switch for measuring...
                                  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 . This electrode features a triple-ceramic junction in the outer reference cell. These features compensate for temperature when taking pH readings. Hanna makes the HI1294D with a glass-body, refillable, single-junction pH electrode.

                                  Specs

                                    Product Features

                                      • Overall length: 175.5 mm: Specs
                                      • Body length: 120 mm: Specs
                                      • Refillable with 3.5M KCl + AgCl: Product Features
                                      • Diameter: 12 mm: Specs
                                      • Recommended operating temperature: -5 to 70° C (23 to 158° F) - LT: Specs
                                      • Built-in temperature sensor: 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. This product includes a carry case and USB charging cable. This meter features data logging capabilities and an automatic sun or electric...

                                      Product Features

                                        • Low power consumption with built-in low batter power indication: Product Features
                                        • Constant linear response curve yields higher accuracy independent of wavelength: Product Features
                                        • Automatic sun or electric light calibration modes ensure accurate readings regardless of light source: 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. Simply switch lever for two different tests! 1. Directions include desired range for 350 plants; new lawn seeding, agriculture crops, small and large fruits, vegetables, herbs, and...
                                        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. Follow calibration instructions provided in the instruction manual for successful and accurate...

                                        Product Features

                                          • Battery percentage displayed at startup: Product Features
                                          • BEPS (Battery Error Prevention System): Product Features
                                          • Automatic temperature compensation: Product Features
                                          • Tactile grip casings: Product Features
                                          • Comes with electrode, electrode removal tool, 4 1.5 volt batteries, and instructions: Product Features
                                          • Efficient two button operation: Product Features
                                          Ohio
                                          Piqua
                                          Hanna General-Purpose Cleaning Solution, 230 mL
                                          Prices start at : 16.99 USD / each

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

                                          Specs

                                            • Weight: 0.55 pounds: Specs
                                            • 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

                                            A handy 9" probe length. Perfect for potted plants! The scientific way to water! Accurate instruments give you instant, accurate moisture readings. 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

                                            Then use 4.01 as a second buffer solution and wait for your meter to stabilize to 4.01. Discard buffers after each use. Premixed pH 4 calibration solution A premixed calibration solution designed for pH meters when measuring pH levels below 7.
                                            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. High readings indicate very low levels of moisture inhibiting maximum plant growth.Measures the amount of water available in any soil type.
                                            • Length: 12 in
                                            Ohio
                                            Piqua
                                            4-Way Soil Analyzer Meter
                                            ★★★★★
                                            Prices start at : 34.99 USD / each

                                            Provides the percentage of moisture in your soil. Tip: Make sure you clean the probe, moisten the soil and wet the probes before using. That's why a cleaning pad is included. It is specifically designed to clean this probe.
                                            Ohio
                                            Piqua
                                            Shockproof Rubber Boot for Hanna Instruments HI9814
                                            Prices start at : 35.99 USD / each

                                            Protect your valuable instrument! Hanna Instruments designed this shockproof rubber boot to fit the HI9814 meter. Hanna makes this boot in our signature A.M. Leonard orange color! This special boot helps prevent damage due to accidental impact.

                                            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
                                              • Increased tactile feel allows for easier handling: Product Features
                                              Ohio
                                              Piqua
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