Complete kit with ready-to-use calibration solutions, batteries, and a lanyard in a portable carrying case. Notes: the instrument will NOT give accurate or stable readings for distilled or deionized water's pH testing. With an ultra clear 180˚ viewing angle screen, it supports dual display of Temp. Ph value and indications of completed calibrations where L/M/H indicate 3 points of calibrations and stable readings with a smiley face.

Do not store the probe in distilled water or deionized water because they will cause damage to the glass membrane of the pH probe. Auto recognition of stable values improves consistency so you don't have to guess when to manually hold measurement. Up to 3 points of auto calibration and 0 to 50˚C Auto temperature compensation ATC, ±0

1 ph accuracy with 0 to 14. 0 ph measuring range; auto recognition and indication of stable values improves repeatability, saving you the trouble of guessing when to manually hold measurement. Smart self-diagnosis, warning of out-of-range measurement and incorrect calibrations. Comes with a complete Kit of premixed calibration solutions 4.

00 and 7. 00, 4 aaa batteries, and a lanyard all in a portable carrying case. Compensation atC ensures accuracy in variant temperatures 0-50

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8oz. pH Calibration Buffer Solution Kit pH 4.00 & 7.00, plus 4oz. 3M KCL Storage Solution for pH/ORP Electrodes

Expiration date is printed on the bottle. Ideal for the calibration of all kinds of pH meters. The color-coded buffer solutions are standardized against NIST certified pH References within 001 ph at 25˚c 77˚f. Keep the bottle tightly closed when not in use. The apera instruments ai1108 ph calibration buffer solution Kit includes two 8oz bottles of pH buffer solutions pH 4.

00 & ph 7. 00, and one 4oz bottle of 3M KCl storage solution for pH/ORP electrodes. Keep out of REACH of children. The 3m kcl storage solution helps keep the sensitivity and accuracy of your pH probes. Color-coded, double-sealed, 1-Year shelf life. Msds documents are downloadable. Expiration date and temperature/pH reference chart provided for reference.

Note: store at room temperature and away from direct sunlight. Non-hazardous product MSDS is downloadable. It’s ideal for the calibration of all kinds of pH meters. Since ph level is affected by temperature, a temperature/pH reference Chart is provided on the bottle Label for reference. All the solutions are double-sealed, not subject to the dot shipping restrictions, and have a 1-year shelf life.




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General Hydroponics GH1514 General Hydroponics Ph Control Kit

Contains 8oz bottle of pH down which uses food grade phosphoric acid to lower the pH to to the desired level. High accuracy ±001 ph: standardized against nist certified pH references within 001 ph at 25˚c 77˚f. Above 7. 0, the pH is alkaline. Designed to work superbly in hydroponic environments, both soil-less mixtures and soil grown plants.

Expiration date and temperature/pH reference chart provided for reference. Includes 8oz bottle of pH Up which is used to elevate it to the desired level. Below 7. 0 the pH is acidic. Incorrect nutrient solution pH can cause slow growth, sickly plants and low yields. Non-hazardous product MSDS is downloadable. Color-coded, double-sealed, 1-Year shelf life.

7. 0 is nuetral. The best ph for general plant growth is in the range of 5. 5 to 6. 5, slightly acidic.


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HM Digital TDS-4 Pocket Size TDS Tester Meter with 0-9990 ppm Measurement Range , 1 ppm Resolution, +/- 2% Readout Accuracy

The tds-4 is great for checking your tap water quality, or knowing when to change a filter. Non-hazardous product MSDS is downloadable. High accuracy ±001 ph: standardized against nist certified pH references within 001 ph at 25˚c 77˚f. The lower the tds level, the purer the water, with 0 ppm being pure H2O.

Expiration date and temperature/pH reference chart provided for reference. Tds = total dissolved solids, which is any salt, metal or mineral in the water. Includes ph test indicator tube:fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liquid in the vial.

For best results, discard and replace hydroponic solution regularly. Contains 8oz bottle of pH down which uses food grade phosphoric acid to lower the pH to to the desired level. Designed to work superbly in hydroponic environments, both soil-less mixtures and soil grown plants. The meter does not test for biological contaminants.

The tds-4 is a great tool for drinking water, pools and spas, colloidal silver, water filtration and purification, RO/DI systems, aquariums, hydroponics test your nutrients, and more. Product description: how pure is your water? A TDS meter aka ppm pen, nutrient tester, tds stick is an inexpensive and convenient digital tool to instantly check your overall water quality.

Ideal for the calibration of all kinds of pH meters.


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Apera Instruments TDS20 Value Waterproof TDS Pocket Tester, Accuracy: ±1% F.S, 0.5˚C, Complete Kit

Great functions to make your testing experience a lot easier: 3-point auto calibration with auto buffer recognition, 0 to 50˚C auto temp. Easy auto calibration with buffer recognition; auto temp. The bpb brush-resistant platinum black sensor adopts our special processing technology, expands measuring range, and increases firmness of the electrode, hence ensuring a much higher accuracy and consistency in a wide-range EC measurement than traditional stainless steel electrodes, which minimizes electrode polarization, and is easy to clean.

This tds tester is ideal for all water purification applications, hydroponics, aquaculture, wastewater regulation, and colloidal silver. Hold function: saves measurements for convenient reading and recording. Compensation. The meter is ce certified and comes with a 2-YEAR Warranty. Expiration date and temperature/pH reference chart provided for reference.

Large clear lcd with dual display of temp. Ppt, and reminders of completed calibrations and stable readings. Compensation atc ensures accuracy in variant temperatures 0-500˚c; accuracy: ±1% F. S, 0-1000 ppm, 0


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General Hydroponics Ph 4.01 & Ph 7.0 Calibration Solution Kit, 8 oz

Growers can use our reference solutions widely among many popular brands of meters using the NaCl scale. Recommended for fresh water aquariums & aquaculture, horticulture & hydroponics, and pools & spas. Factory calibrated: our meters are calibrated with a 342 ppm NaCl solution. Easy auto calibration with buffer recognition; auto temp.

Ideal for the calibration of all kinds of pH meters. This tds tester is ideal for all water purification applications, hydroponics, aquaculture, wastewater regulation, and colloidal silver. Hold function: saves measurements for convenient reading and recording. Non-hazardous product MSDS is downloadable. Includes ph test indicator tube:fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liquid in the vial.

For best results, discard and replace hydroponic solution regularly. The 3m kcl storage solution helps keep the sensitivity and accuracy of your pH probes. 2 bottles - 1 each of ph 4. 01 & ph 7. 0 calibration Solution. Expiration date and temperature/pH reference chart provided for reference.


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Apollo Horticulture GLRP18 Pair of 1/8" Adjustable Grow Light Rope Hanger w/ Improved Metal Internal Gears

Contains 8oz bottle of pH down which uses food grade phosphoric acid to lower the pH to to the desired level. 2 bottles - 1 each of ph 4. 01 & ph 7. 0 calibration Solution. Hook material - zinc Plated Steel / Metal Internal Gears. It is our commitment to be the grow light company that you'll want to do business with again and again.

1000 hours' continuous operation time powered by AAA batteries. The consistency our team delivers year after year, along with unbeatable service, makes up the complete package our customers deserve. Non-hazardous product MSDS is downloadable. Meters can be recalibrated with a mini-screwdriver. Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries.

We continually work to produce the highest quality, fully featured, and most up to date hydroponic equipment at the lowest prices possible. Each batch is checked to ensure calibration. The goal of apollo Horticulture is simply to be the best value in grow lights. The 3m kcl storage solution helps keep the sensitivity and accuracy of your pH probes.

Includes 8oz bottle of pH Up which is used to elevate it to the desired level. Designed to work superbly in hydroponic environments, both soil-less mixtures and soil grown plants.


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LEDGrower1 - Apollo Horticulture UV400 LED Indoor Growing Hydroponics Grow Light Room Glasses for Intense LED lighting Visual Eye Protection

1000 hours' continuous operation time powered by AAA batteries. How well can you see in your grow room? and how safe are your eyes from your grow room's powerful lighting? Apollo Horticulture is proud to introduce its premium line of Grow Room Glasses to bring comfort, clarity and safety to your eyes in any grow room environment.

Hook material - zinc Plated Steel / Metal Internal Gears. Highest quality electronic meter reference solutions. Reduce eyestrain and alleviate the pain from harsh lighting. Protection from all angles: wrap-around style glasses provide all-around protection. High accuracy ±001 ph: standardized against nist certified pH references within 0

01 ph at 25˚c 77˚f. Meters can be recalibrated with a mini-screwdriver. Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries. Meters can be recalibrated with a mini-screwdriverFactory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. Our grow room glasses feature green lenses that alleviate pain and and block out harmful invisible wavelengths including UVA, UVB and infrared wavelengths.

Pair of 1/8" heavy Duty Rope Hanger. Ideal for the calibration of all kinds of pH meters.


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General Hydroponics CALiMAGic Quart

Color-coded, double-sealed, 1-Year shelf life. Includes ph test indicator tube:fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liquid in the vial. For best results, discard and replace hydroponic solution regularly. It is formulated to assist fast growing plants by preventing secondary nutrient deficiencies.

Contains 8oz bottle of pH down which uses food grade phosphoric acid to lower the pH to to the desired level. Each batch is checked to ensure calibration. It is formulated to assist fast growing plants by preventing secondary nutrient deficiencies. Complete kit with ready-to-use calibration solutions, batteries, and a lanyard in a portable carrying case.

Expiration date and temperature/pH reference chart provided for reference. Compensation atC ensures accuracy in variant temperatures 0-500˚c. Optimal eye protection: superior indoor protective hydroponics glasses designed for working under a variety of hydroponic grow lights - Green lenses designed for use under HPS, MH and LED lighting systems.

Super lightweight design gives you hours of long-wear comfort while working in your grow room, greenhouse, or growing space. Non-hazardous product MSDS is downloadable. These glasses sit close to your face and do not obstruct your view.


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FoxFarm FX14066 1-Quart FoxFarm Bushdoctor Sledgehammer

1000 hours' continuous operation time powered by AAA batteries. Measures 3-inch length by 3-inch width by 8-3/4-inch height. 2 bottles - 1 each of ph 4. 01 & ph 7. 0 calibration Solution. Contains 8oz bottle of pH down which uses food grade phosphoric acid to lower the pH to to the desired level. Pair of 1/8" heavy Duty Rope Hanger.

Super lightweight design gives you hours of long-wear comfort while working in your grow room, greenhouse, or growing space. Meters can be recalibrated with a mini-screwdriverFactory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. It is formulated to assist fast growing plants by preventing secondary nutrient deficiencies.

Meters can be recalibrated with a mini-screwdriver. Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries. Recommended for fresh water aquariums & hydroponics, and pools & aquaculture, horticulture & spas. Factory calibrated: our meters are calibrated with a 342 ppm NaCl solution.

Bonus complimentary glasses pouch included. Calimagic is a concentrated blend of readily available Calcium and Magnesium. Encourage water movement through soil and soilless mediums.


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