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pH Testing & Control - 183 - Page 3 - Mega Sale! Save up to 23%

Mega Sale! Up to 23% off on pH Testing & Control at Buy Online Guru, Page 3. Top brands include Rx Green Solutions, Hydro Empire, Hanna Instruments, The Aquaponic Source, BeneStellar, Bluelab, YOEDAF, mooncity, Jenco, General Hydroponics, Justdolife, EACHPOLE, XCSOURCE, TekcoPlus, Safer Gro, & Advanced Nutrients. Hurry! Limited time offers. Offers valid only while supplies last.

Rx Green Solutions Raise pH Adjuster, 32-Ounce
By Rx Green Solutions
In Stock
You Save: 18%

mpn: RXPHRS32, ean: 0851996004134,

4.1 out of 5 stars with 47 reviews
RAISE (32oz) is a pH adjuster that effectively increases low pH levels to the desired level using potassium hydroxide. Levels outside the recommended pH range can cause nutrient deficiencies and result in slowed growth. Most plants require a pH of 5.5-6.5.Scientifically developed for professional growers worldwide. Effectively increases low levels of pH to desired levels. Promotes nutrient intake and faster growth rates. Active ingredient: potassium hydroxide. Apply directly to pre-mixed

Botanicare Clearex Salt Leaching Clearing - Quart Solution Protect Plants Against Buildup of Nutrient Salt Deposits in Soils Includes 5 Pipettes and 4 oz Hydro Empire Measuring Cup
By Hydro Empire
In Stock
You Save: 22%

ean: 0812099022852,

4.6 out of 5 stars with 47 reviews
Use Botanicare Clearex Quart to correct the most common cause of crop failure - the buildup of nutrient salt deposits in soils or soilless grow media. High salt concentrations in media can cause the shrinkage and death of plant cells due to the excess draw of water through cell walls, and eventually lead to the irreversible wilting of plant leaves and stems. Periodic flushs with Clearex will remove excess nutrient salts and safely leach them from your crops media.Botanicare Clearex 32 ounces

NEW Model Hanna Instruments HI 98107 pHep pH Tester, W/+/- 0.1 Accuracy
By Hanna Instruments
In Stock

mpn: HI98107,

4.3 out of 5 stars with 143 reviews
Waterproof pHep pH Tester The Hanna Instruments HI98107 pHep® pH tester is a rugged and reliable pocket-sized tester for use in the lab or field. This modern looking meter is only 0.7'' thick and extremely ergonomic, fitting comfortably in your hand. This tester keeps things simple with a two-button operation; one for ON/OFF, the other for Calibration. The HI98107 tester features a large multi level LCD which displays both pH and temperature readings simultaneously. The pH readings are

The Aquaponic Source AquaIron DTPA Chelated Iron 10%
By The Aquaponic Source
In Stock

mpn: 4336465134,

4.7 out of 5 stars with 251 reviews
This is one of the few additives that most aquaponics professionals agree needs to be regularly added to most aquaponics systems for the treatment and prevention of yellow leaf (Chlorosis). DTPA is the best form of chelated iron because it is 100% effective from a pH of 6.0 - 7.5. Directions: Iron levels in an aquaponics system should be at 2 - 3 ppm. You can measure this using an iron checker. If you don't have a Checker and are just responding to yellowing leaves then we recommend adding

Digital pH Meter with 3 Set of pH Buffer Powder, BeneStellar pH Tester with ATC Measure Household Drinking Water, pH Testing, Aquarium, Water, Swimming Pool, Hydroponics (Yellow)
By BeneStellar
In Stock

mpn: 4336465292, ean: 0702668563209,

4.9 out of 5 stars with 47 reviews
Get accurate pH measurement easily  This pH meter the perfect device for your testing of the acidity or alkalinity of liquids. It is very easy to use - just immerse the electrode to get accurate, fast readings. Product Features Measuring range:0.00-14.00 pH Resolution:0.01 pH Accuracy::0.01 pH Batteries:2X 1.5V LR44 (included) Automatic temperature compensation: 0-80℃(32-122℉) Dimensions:155x29x16mm Net Weight:52g/1.83 oz Warm tips STEP 1: Turn open pH meter, Clean the electrode in

Bluelab pH Controller Power Supply
By Bluelab
In Stock

mpn: 716496, ean: 8927615884493,

4.8 out of 5 stars with 241 reviews
Hands-free monitoring and dosing of solution pH levels. Our clever pH controller automatically monitors and fine-tunes the pH levels for you. You simply set it, and forget. The pH is taken care of. For use with reservoirs up to 200 US gal/760 L. Plant-safe green back lit LCD with adjustable brightness and large, easy to read display. Easy to navigate menu to program, adjust settings and calibration by a simple push of a button. Flashing high/low alarm with control lockouts to protect from

PH Meter Tester, Acidometer Digital PH Meter Tester Water Quality Food Aquarium Pool Hydroponics Pen for Drinking Water/Garden/Farm/Lawn, 0.00-14.00 Measurement Range LCD Display(Yellow+Black)
In Stock

mpn: 15325232284143, ean: 0697159852866,

4.9 out of 5 stars with 226 reviews
Description:100% brand new and high quality.Widely Use for home and laboratory uses; Suitable for testing pH balance of drinking water, pools, aquariums, RO system, Spas, hydroponics food, wine and beer making and more.Using two points type(PH 4.00, PH6.86) automatic calibration. When calibrating, you just need to place the instrument in standard buffer and press the CAL button. The instrument automatically starts calibration dataNo more need to take care about the temperature of testing

Digital pH Meter with Auto Calibration Button with ATC, 0.01pH High Accuracy, pH Buffer Solution and Carrying Case, pH Tester for Aquarium, Drinking Water, Pools & Spas, Hydroponics Gardening(Blue)
By mooncity
In Stock

mpn: 4316275974, ean: 0608473150538,

4.5 out of 5 stars with 139 reviews
NEW! The Mooncity PH-90 is an economically priced, reliable pH meter that is ideal for testing applications such as hydroponics & gardening, pools & spas, aquariums & reef tanks, water ionizers, drinking water and more. Specifications: Measure Range: 0.00-14.00 pH Resolution: 0.01 pH Accuracy:±0.01 pH Calibration: Digital automatic calibration (one point) Automatic temperature compensation: 0-50℃/ 122℉ Button battery: 2X 1.5V LR44 (included) Product dimensions:

Jenco pH 630F Lab Quality Pocket Size Digital pH Temperature Meter Tester For Drinking Water, Pool, Aquarium, And Hydroponic Use | .01pH Resolution
By Jenco
In Stock

ean: 0784672854566,

4.1 out of 5 stars with 159 reviews
The pH630 is built to last with easy to use calibration. It has a Large LCD to display both pH and temperature (Fahrenheit version) at the same time. Water-proof and dust-proof, a IP67 rated body. Able to replace the electrode module probe, this means you can save money with a replacement electrode instead of buying a new tester. Batteries included and over 200 hrs of battery life. Automatically turns off in 10 mins of non-activity, saving the battery. A low battery indicator lets you know when

1-Pc Remarkable Modern GH Calibration SolutionsHighest Quality Reliable Results Hydroponics pH pH7.01 Volume 32 oz
By General Hydroponics
In Stock

mpn: 4316276031,

4.9 out of 5 stars with 101 reviews
General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use our reference solutions widely among many popular brands of meters using the NaCl scale. General Hydroponics technicians check each batch to ensure that our solutions are exactly calibrated each time they are used..

Justdolife PH Meter Water Quality Tester Portable Digital LCD Display PH Tester for Water Aquariums Pools
By Justdolife
In Stock

mpn: MD93412918CKH, ean: 0192684167206,

4.3 out of 5 stars with 274 reviews
Description:Electrode: Vitreous vesiclesAccuracy: 0.01Resolving Power: 0.01Working Temperature: 0-80°CTesting Range: 0.00-14.00Color: YellowMaterial: Plastic + ElectronicsSize: L*W*H: 2.9*1.6*15.5cm(1.14*0.63*6.10in)Battery: 2 x 1.5V battery(not included)Note:- The batteries are not included.- Please refer to the measurement. Tiny measuring error is allowable in normal range.- There might be a little color difference due to the monitor, camera or other factors, please refer to the

EACHPOLE |2-Pack| Garden Soil Test Kit for Indoor and Outdoor Plants Water, PH Balance, and Light Levels, 3-in1 Meter No Batteries or Charging, APL1710
In Stock

mpn: RF124-2P, ean: 0757764172732,

4.6 out of 5 stars with 119 reviews
EACHPOLE 3-in-1 Plant Soil Meter makes caring for your plants easier than ever. Plants are fragile and require special care to remain healthy and active. Too much or too little water, light, alkalinity or acidity in the soil can kill your plant or prevent it from thriving. 3-in-1 device helps determine water and PH levels in soil, and helps determine if plant is receiving adequate sunlight. Environmentally friendly design works without batteries or charging. Easy to use, simply place prongs in

XCSOURCE Professional TDS EC Tester pH Meter Digital Temp PPM Check Water Quality Purity for Filter Pool Aquarium Hydroponic BI670
In Stock

mpn: BI670, ean: 4894479833780,

4.3 out of 5 stars with 182 reviews
Features: PH Meter: Ideal instrument for any aquarium, the fishing industry, swimming pools, school laboratories, food & beverage, etc. Excellent PH meter, very accurate and durable. Auto-off function: turns off meter after non-use in 5 minutes to save batteries. ATC function: it can automatically change the displayed value into the value of 25 C. Big LCD display screen which has great waterproof performance and let you easily read the testing value. TDS&EC Meter: The 3-in-1 Digital TDS Meter

Bluelab pH Probe KCI Storage Solution 250ml
By Bluelab
In Stock

mpn: 716495, ean: 8927615884486,

4.5 out of 5 stars with 9 reviews
The perfect solution to store and hydrate your Bluelab pH products. Bluelab® pH Probe KCl Storage Solution is made specifically for use with Bluelab® pH products. It is designed to increase response time and maximize the life of Bluelab pH pens and pH probes. For best results, use the KCl solution to store the pH pen/probe after use and hydrate monthly. Bluelab® pH Probe KCl Storage Solution is manufactured to high laboratory standards.Bluelab® pH Probe KCI Storage Solution. Brand Name:

Waterproof 0~14 Digital pH Meter with Temperature Measurement High Accuracy pH Pen Tests Water, Aquarium, Pool, Hydroponics
By TekcoPlus
In Stock
You Save: 6%

mpn: PHTK-2, ean: 0713072681625,

4.1 out of 5 stars with 36 reviews
This pentype digital pH Meter measure pH level range from 0~14pH and has the following advance features: automatic calibration (pH4, pH7 & pH10), waterproof - designed to protect against windblown dust, powder dust, water splashes, rain and wash downs by direct hose and water jets, automatic temperature compensation (ATC). Has BIG & Easy to Read dual display (pH & temp), switchable °C & °F, data hold, low battery indicator, and auto power off with disable feature. Can b use with wide range of

Jenco pH610B Bluetooth Wireless Lab Quality Pocket Size Digital pH & Temperature Meter Tester | Perfect For Pools & Spas | Aquariums | Hydroponics | 0.01 pH Resolution
By Jenco
In Stock
You Save: 23%

mpn: 4336465296, ean: 6971202950018,

4.3 out of 5 stars with 54 reviews
The Jenco pH610B Bluetooth Meter is built to last and super easy to set up using the free app available in the Apple App or Google Play Store. Versions included for both Android and iOS smart devices. Calibration within the app is a SNAP! Water-proof and dust-proof, a IP67 rated body. 2 AAA Batteries included (a small Phillips (Plus) screwdriver for battery installation is required) which provides over 120 hrs of battery life. Also use the free app to record and store all of your past

BlueLab 2.77EC Conductivity Solution, PH 7.0, and PH 4.0 Calibration Solution Set 250 Milliliters
By Bluelab
In Stock

ean: 0748006945436,

4.7 out of 5 stars with 204 reviews
PH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration Solutions should be stored in a cool place out of direct sun and heat. They should be stored with the lids securely tightened. The EC2.77 solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solutions should be stored in

Safer Gro 9920Q pH Down Acidifier44; 1 Quart
By Safer Gro
In Stock

mpn: 4336465129, ean: 0644189992024,

4.6 out of 5 stars with 85 reviews
pH Down is an additive designed for use where the pH needs to be lowered into a more acidic range. The organic acid present in pH Down gently lowers the pH of water making nutrients more available and increasing uptake. More plants thrive at slightly acidic conditions. Unlike other hazardous pH lowering agents pH Down is safe to handle and is suitable for use in organic food production. pH Down has several functions - compatibility agent acidifier activator and chelator. It is an organic based

Advanced Nutrients pH-Up 500mL
By Advanced Nutrients
In Stock

mpn: 3850-13, ean: 0845268012057,

4.8 out of 5 stars with 169 reviews
Acidity versus alkalinity are key factors in your crop's water and root zone, as measured by pH. If you have too high or too low pH, your crops cannot uptake nutrients, and may well be damaged or even killed. That's why smart growers daily monitor and adjust optimum pH levels for hydroponics, sphagnum moss, coco coir, rockwool, aeroponics, soil, and other types of plant growth media. Some companies make cheap, inferior pH adjustment products that never achieve consistent results; some of those

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