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Testing and Controlling - pH, TDS, PPM

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Whether using soil or hydroponics for your gardening, the proper balance of your growing environment can be the life or death of your plants. This area helps with the proper maintenance of: pH: (chemistry) p(otential of) H(ydrogen) TDS: total dissolved solids PPM: parts per million EC: electrical connectivity To see price list, click here

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	Advanced Nutrients pH UP and DOWN
	Advanced Nutrients pH balancing products are pure concentrates and have not been diluted.
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	Bluelab Combo Meter
	The Bluelab Combo Meter tests conductivity (nutrient), pH levels, and temperature, all in one convenient lightweight unit.
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	Bluelab Conductivity Cleaning Kit
	The level of conductivity is directly proportional to the amount of salts dissolved in water. The conductivity of your nutrient solution is a measurement of its strength, indicated by the actual amount of salts dissolved.
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	BlueLab pH Cleaning and Calibration Kit
	Experienced growers suggest a pH level between 5.5 and 6.5 for most hydroponically grown plants. A dirty pH probe can skew the readings of your pH meter, resulting in a harmful growing environment.
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	Bluelab pH Meter
	The Bluelab pH Meter is used to accurately measure the pH value of nutrient solution.
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	Bluelab Truncheon - CF, PPM and EC meter
	The Bluelab Truncheon Meter is the best selling hydroponics CF / EC Meter in the world. The Truncheon meter measures EC, CF and PPM scales.
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	Bluelab® Guardian Monitor
	The Bluelab Guardian Monitor measures all three critical parameters to successful plant growth - pH, conductivity and temperature.
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	Control Wizard EC Dipstick (previously Nutra-Wand)
	The EC Dipstick is one of the easiest meters to use, providing the 4 most popular scales: EC, CF, 500:1ppm, and 700:1ppm!
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	Earth Juice Natural pH Adjusters
	Proper pH levels are crucial for healthy plant growth. A pH that is too high or too low can reduce the availability of some nutrients causing plant stress.
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	General Hydroponic Dry pH Down or Up
	We all know that the pH level in your hydroponics system is critical to optimum plant health.
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	General Hydroponics Calibration Solutions
	General Hydroponics Calibration Solutions are specifically formulated for electronic pH meter calibrations and designed for hydroponic solution determinations.
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	General Hydroponics Liquid Pro pH Down or Up
	We all know that the pH level in your hydroponics system is critical to optimum plant health. Most plants require pH levels between 5.5 and 6.8.
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	General Hydroponics pH Control Kit
	This pH Control Kit by General Hydroponics includes everything you need to check and maintain the proper pH levels for your indoor garden.
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	General Hydroponics pH Test Indicator Solution
	Need a refill for your General Hydroponics pH testing kit?
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	General Hydroponics pH Test Kit
	The General Hydroponics pH Test Kit measures the pH level of your hydroponics nutrient solution.
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	Hanna Instruments HI-98103 Checker 1
	Model HI 98103: At the cost of just a few rolls of litmus paper, you can have the industry's best pocket-sized pH tester, made by Hanna Instruments!
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	Hanna Instruments HI-98106 Champ® pH Tester
	Model HI 98106: The Hanna Instruments Champ pH Tester is an affordable, easy-to-use pH pen that is ready-to-use right out of the box.
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	Hanna Instruments HI-98128 pHep5 pH/Temperature Tester
	Model HI 98128 (pHep 5): This Hanna Instruments waterproof tester features a dual-level LCD that gauges pH level -2.00 to 16.0, and temperature from 23.0 to 140.0 °F (-5.0 to 60.0 °C).
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	Hanna Instruments HI-98129 Combo pH/EC/TDS/Temperature Tester
	Model HI 98129: pH/EC/TDS/Temperature tester by Hanna Instruments has a completely waterproof shell that also floats. It offers high accuracy readings with dual-level LCD readout.
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	Hanna Instruments HI-9813-6 pH/EC/TDS/Temperature meter
	Model HI 9813-6: We've used this meter in our shop for years and it's still in excellent working condition. The multi-parameter meter tests 3 of the most important factors for hydroponics: pH, EC, TDS and Cal-Check feature to assess calibration status.
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	Hanna Instruments HI-98311 DIST 5 pocket tester
	Model HI 98311: Hanna Instruments DIST 5 EC/TDS/temperature tester is waterproof. It even floats. Guages temperature from 0.0 to 60.0 °C or 32.0 to 140.0 °F.
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	Hanna Instruments HI-991404 Combo pH, EC/TDS/Temperature Monitor
	Model HI 991404: A large backlit LCD continuously monitors the three most important nutrient parameters in greenhouse, hydroponics and horticultural applications.
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	Hesi pH correctors
	When growing plants using hydroponics and / or coco the pH value is vital to the garden's health. Hesi pH correctors provide 3 defined solutions to help you reach that optimum level of pH.
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	Hydrion pH Test Paper Roll
	Hydrion Insta-Chek pH Paper comes in a convenient plastic holder that contains a 15 foot roll of ph test paper, enough for about 1000 pH tests.
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	IQ 120 Mini Lab pH Meter
	The IQ 120 Mini Lab Meter is a great choice for gardeners who want to test pH, but don't need the extra features on the more complex meters.
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	Litmus / pH Paper Strips
	Litmus paper strips are an easy-to-use alternative to check nutrient solution when you do not have a pH tester on hand.
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	Martini EC59 EC TDS and Temperature meter
	The Milwaukee Instruments Martini EC59 multi pocket tester measures and displays EC TDS and Temperature simultaneously on an easy to ready display.
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	Milwaukee Hand Held Refractometer
	The Milwaulkee hand held refractometer is a precision optical instrument used for measuring concentrations of substances in aqueous solutions. It works using the principle of light refraction trough liquids.
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	Milwaukee pH meter
	Model SM100: This portable pH meter, with separate probe, provides the range of 0.0 to 14.0, with 2 point manual calibration, and accuracy of ± 0.2 pH.
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	Milwaukee Smart 3-in-1 pH/EC/TDC meter
	Model SM802: The Milwaukee Smart 3-in-1 pH/EC/TDC combination meter with separate probe provides this range: 0.00 to 14.00 pH, 0 - 4000 ppm, 0.00 - 6.00 mS/cm, accu- racy of ±0.20 pH and ±2% full scale for EC and TDS.
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	Milwaukee waterproof pH tester
	Model pH51: An accurate and reliable handheld pH/°C tester you can depend on, made by Milwaukee Instruments.
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	Milwaukee waterproof TDS tester
	Model T76: Professional, easy-to-use waterproof handheld high-range TDS tester, made by Milwaukee Instruments.
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	Nutradip Trimeter - pH, TDS and temperature meter
	When you need continuous reservoir readouts of pH, TDS and temperature, the Nutradip Trimeter is your solution.
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	Oakton® Waterproof EcoTestr™ pH 2
	The EcoTestr™ pH 2 has an easy-to-read display and its ergonomically designed LC display allows you to read measurements in a glance.
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	Rapitest Digital Soil pH Meter
	The Rapitest Digital Soil pH Meter is an easy-to-use soil pH tester that determines soil acidity and alkalinity.
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	Rapitest Electronic Soil Tester
	You can check either soil pH or fertility with the Rapitest Electronic Soil Tester.
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	Rapitest pH Soil Tester
	The Rapidest Soil pH Tester is designed to give accurate pH level results with relatively little effort.
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	Rapitest Soil pH Meter with probe
	Ideal for testing soil pH levels of your indoor potted plants or outdoor garden areas. The Rapitest Soil pH Meter measures pH levels from 3.9 to 9.0.
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	SaferGro pH Down
	SaferGro pH Down is a great way to improve nutrient uptake by naturally lowering the pH of alkaline soils and hydroponic solutions.
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	Sunleaves Moisture Meter
	The Sunleaves Moisture Meter is an easy-to-use tool to make sure your soil-potted plants have the correct level of moisture to thrive.
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	Sunleaves pH Expert Plus Meter
	With the Sunleaves pH Expert Plus, measuring the pH in your reservoir is a snap! This handheld waterproof pH meter automatically compensates for the temperature of your nutrient solution to give you an extremely accurate reading.
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	Sunleaves pH Test Kit
	The Sunleaves pH Test Kit gives hydroponic gardeners a simple, foolproof method of getting fast, accurate pH readings.
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	Sunleaves Soil pH Tester
	Monitor soil pH on a scale of 4 to 8 with the durable, easy-to-read Sunleaves Soil pH Tester.
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	Sunleaves SunGauge Digital Light Meter
	Measures light intensity of sunlight or grow lights!
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	Sunleaves TDS Essential Digital Pen
	Measures nutrients levels from 0-9990 ppm with accuracy to ± 0.2%.
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	Sunleaves TDS Expert Plus Meter
	The Sunleaves TDS Expert Plus is a highly-advanced handheld meter that measures nutrient solution electrical conductivity (EC), total dissolved solids (TDS), and liquid temperatures.
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	Sunleaves Three-Way Meter
	Conveniently test the moisture, light, and pH levels of your plants with the Sunleaves Three-Way Meter.
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	Technaflora pH UP and DOWN
	Technaflora pH UP and Technaflora pH DOWN help maintain optimum pH levels for your hydroponically grown plants.
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