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Supplies Ph, Ec Amp Tds For Sale In United States

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HM Digital (TDS-3)
Prices start at : 17.95 USD / 2.00 lbs

Features an easy-to-read LCD screen, a hold function that saves measurements for convenient reading/ recording, a built-in thermometer and a carrying case with belt clip. Specifications: • Range: 0 – 9990 ppm (mg/L) • Temp.
  • brand: HM Digital
United States
DiST5 (HI98311)
Prices start at : 84.59 USD / 2.00 lbs

Includes a graphite conductivity electrode, which provides greater accuracy because it resists contamination by salt deposits in the sample. At start-up, the tester performs a self check then displays the remaining battery level to assure proper working...
  • brand: Hanna Instruments
United States
Combo Meter
Prices start at : 184.8 USD / 3.00 lbs

Conductivity and temperature do NOT need to be calibrated as this is locked in during manufacture. Features: • Three display options for Nutrient – EC, CF, ppm (500 scale) • Two display options for Temperature (°C or °F) • Simple push button...
  • brand: Bluelab
United States
PH Down (Acid)
Prices start at : 7.95 USD / 12.0 lbs

Acid content can reach unacceptable levels when nutrient solutions are mixed with poor quality water, or when pH unstable media – such as rock wool or gravel products – are used, or when high plant growth rates destabilize the nutrient mix due to...
  • brand: General Hydroponics
United States
Base Adjustment (Up)
Prices start at : 17.5 USD / 14.00 lbs

For best results check pH levels daily. Product Label (PDF) Ingredients: Potassium hydroxide. Within 1 hour check the pH of your nutrient solution and adjust accordingly. DIRECTIONS FOR USE: Maintain the optimum pH level of 5.5 to 5.8 for hydroponically...
  • brand: Advanced Nutrients
United States
Spare Electrode (HI73127)
Prices start at : 47.39 USD / 1.00 lbs

If your pH, conductivity or temperature meter is not functioning properly, you may need a new part, not a new device. Pop in a HANNA Replacement Electrode, and you'll be back in business! Compatible with: • HI 98129 and HI 98130 Combo multi-parameter...
  • brand: Hanna Instruments
United States
Test Kit
Prices start at : 5.95 USD / 0.75 lbs

Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator (1 oz), and observe the coloration of the liquid in the test vial. Many experienced growers prefer this pH Test Kit to expensive electronic meters because of its reliability...
  • brand: General Hydroponics
United States
Champ (HI98106)
Prices start at : 47.25 USD / 1.00 lbs

Calibration is performed manually at 1 point with a trimmer located on the side of the tester. For this purpose, always keep the tissue inside of the protective cap wet. Instruction Manual (PDF) Grower's Tip: The HI 98106 sensor should be kept moist at...
  • brand: Hanna Instruments
United States
PHep 4 (HI98127)
Prices start at : 76.19 USD / 2.00 lbs

The handheld HI 98127 includes a sensor/ electrode, probe removal tool, batteries and complete instructions. Warranty: 1-year (six months on electrode). 4.) At least once per month.
  • brand: Hanna Instruments
United States
PH Pen
Prices start at : 67.5 USD / 1.00 lbs

Use to maximize plant nutrition and ensure optimum plant health, growth and yields. Features: • Successful calibration indicator • Measures pH and temperature • Completely waterproof • Backlit LCD display • AAA alkaline battery included •...
  • brand: Bluelab
United States
Continuous Indicator (HI981404N)
Prices start at : 134.99 USD / 7.00 lbs

Easy to use, just install over your nutrient reservoir for continuous measurement. The HI 981404N includes a gel-filled pH electrode that features a waterproof sheath to protect it against humidity and vapors.
  • brand: Hanna Instruments
United States
Gro\'Chek TDS (HI983301N)
Prices start at : 68.97 USD / 3.00 lbs

Warranty: 2-years (six months on electrode). Instruction Manual (PDF) The HI 983301N ships complete with a low-maintenance probe (0 to 1990 ppm – mg/L), 12-volt adapter, 1500 ppm calibration solution (20 mL), a calibration screwdriver and complete instructions.
  • brand: Hanna Instruments
United States
Primo Tester
Prices start at : 33.59 USD / 2.00 lbs

Features a large, easy-to-read LCD and automatic temperature compensation to ensure your readings are consistent to the standard or reference temperature. Instruction Manual (PDF) Easy to operate, just press the button on top of the meter once and it's...
  • brand: Hanna Instruments
United States
Guardian Monitor
Prices start at : 236.5 USD / 4.00 lbs

Instruction Manual (PDF) Do's and Don'ts (PDF) Grower's Tip: With this quality instrument you have the ability to set high and low alarms — a flashing display lets you know if one parameter moves away from the ideal — so you can have peace of mind...
  • brand: Bluelab
United States
Truncheon
Prices start at : 84 USD / 2.00 lbs

Simply brilliant, brilliantly simply! The Bluelab Truncheon Nutrient Meter with its super tough, high quality, fully waterproof design, NO calibration required, daylight readable LED's and NO on/ off buttons to worry about, has proven itself as the world's...
  • brand: Bluelab
United States
Combo (HI991404)
Prices start at : 155.99 USD / 2.00 lbs

Instruction Manual (PDF) Grower's Tip: To prolong the life of the electrode, we recommend washing it monthly by immersing it in cleaning solution (HI 7061) for half an hour. The HI 991404 ships complete with a non-clog double junction pH electrode and...
  • brand: Hanna Instruments
United States
Replacement Probe
Prices start at : 42 USD / 1.00 lbs

Features: • Fully waterproof, submersible to 10 meters • Quality BNC connection • Tough polypropylene barrel • Heavy duty thick wall glass stem • Warranty: 6-months Instruction Manual (PDF) Grower's Tip: It is advised that probes be replaced...
  • brand: Bluelab
United States
Acid Adjustment (Down)
Prices start at : 17.5 USD / 16.0 lbs

Use small increments when adjusting the nutrient solution to lower the pH levels as required. Advanced Nutrients pH-Down maintains optimum pH levels for hydroponically and soil grown plants.
  • brand: Advanced Nutrients
United States
Natural Up
Prices start at : 16.95 USD / 3.00 lbs

Earth Juice Natural Up can be used to adjust fertilizer and foliar spray solution for a much more effective use and faster absorption of nutrients by plants. Optimal pH range for fertilizer/ nutrient solution for most plant and turf is 5.5 – 6.5. Will...
  • brand: Hydro-Organics (Earth Juice)
United States
PH Up (Base)
Prices start at : 7.95 USD / 3.00 lbs

Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level. However, some important exceptions do exist. Experienced growers consider the ideal pH for most crops to fall between 5.5 and 6.5. Users of General Hydroponics...
  • brand: General Hydroponics
United States
Combo Tester (HI98129)
Prices start at : 128.39 USD / 2.00 lbs

Includes an easy to read LCD and an automatic shut-off. The HI 98129 features a replaceable electrode as well as an EC/TDS graphite electrode, which resists contamination by salts and other substances.
  • brand: Hanna Instruments
United States
Gro\'Chek pH (HI981401N)
Prices start at : 83.39 USD / 3.00 lbs

Warranty: 2-years (six months on electrode). Also, To prolong the electrode life, after switching the meter off, remove the electrode from the nutrient solution. Avoid touching this glass bulb at all times.
  • brand: Hanna Instruments
United States
Checker (HI98103)
Prices start at : 25.19 USD / 2.00 lbs

The HI 98103 ships complete with a pH electrode, batteries and instructions. The connector must remain clean and dry. Features: • Fast, accurate and lightweight • Replaceable pH electrode • Large easy to read LCD • Highly accurate • 3000 hours...
  • brand: Hanna Instruments
United States
Natural Down
Prices start at : 13.95 USD / 2.50 lbs

DIRECTIONS FOR USE: Mix solution thoroughly and adjust pH prior to application. Optimal pH range for fertilizer/ nutrient solution for most plants is 5.5-6.5. Will vastly improve all fertilizer solutions performance.
  • brand: Hydro-Organics (Earth Juice)
United States
PH Solution
Prices start at : 9.95 USD / 2.00 lbs

Discard when finished — do NOT reuse. Bluelab pH meters are calibrated to pH 7.0 first then to pH 4.0. The company's conductivity/ TDS instruments are pre-set at the factory and do NOT need calibrating.
  • brand: Bluelab
United States
Buffer Sachets (20mL)
Prices start at : 1.15 USD / 0.25 lbs

Available in 20 ml packets that are always fresh and easy-to-use. DIRECTIONS FOR USE: Step 1: Set the instrument into calibration mode either by pressing the CAL button or pressing and holding down the ON/OFF button until CAL appears on the LCD screen.
  • brand: Hanna Instruments
United States
Buffers (HI7007, HI7004)
Prices start at : 15 USD / 2.00 lbs

While the meter is waiting for the reading to stabilize a clock symbol will flash. DIRECTIONS FOR USE: Step 1: Set the instrument into calibration mode either by pressing the CAL button or pressing and holding down the ON/OFF button until CAL appears...
  • brand: Hanna Instruments
United States