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Home » Environmental Controls » pH/EC/TDS Meters & Solutions
 
FEATURED
Product ID: CW511
Manufacturer: CWP Instruments
24-7 Nutrient Monitor

The 24–7 Nutrient Monitor™ from CWP Instruments™ is a great all around monitor for nutrient applications needing constant monitoring. It measures PPM, pH and Temperature. Its large illuminated display allows easy reading from a distance. Calibration screws are conveniently located on the front for easy access. CWP Instruments™ has priced the 24-7 Nutrient Monitor™ to have the lowest MSRP of any quality constant read meter currently on the market. This low price will allow more first time growers to afford the quality and no hassle features of a constant read meter. Along with the meter, the box includes 1382 PPM, pH 4.0, and pH 7.0 calibration solutions to get you going quick and easy.

MSRP: $199.95
Price: $120.00
FEATURED
Product ID: CW506
Manufacturer: CWP Instruments
24-7 Nutrient Monitor Electrode

24-7 Nutrient Monitor Replacement PPM Probe

This item is the replacement PPM probe for the 24-7 Nutrient Monitor.

The 24–7 Nutrient Meter from Control Wizard Products is a great all around meter for nutrient applications needing constant monitoring. It measures PPM, pH and Temperature and with its large illuminated display it is easy to read from a distance. Calibration screws are conveniently located on the front for easy access. Control Wizard has priced the new 24-7 Nutrient Meter to have the lowest MSRP of any constant read meter currently on the market. This low price will allow more first time growers to afford the quality and no hassle features of a constant read meter.

MSRP: $49.95
Price: $30.00
FEATURED
Product ID: CW505
Manufacturer: CWP Instruments
24-7 Nutrient Monitor pH Probe

This item is the replacement pH probe for the 24-7 Nutrient Monitor.

The 24–7 Nutrient Monitor™ from CWP Instruments™ is a great all around monitor for nutrient applications needing constant monitoring. It measures PPM, pH and Temperature. Its large illuminated display allows easy reading from a distance. Calibration screws are conveniently located on the front for easy access. CWP Instruments™ has priced the 24-7 Nutrient Monitor™ to have the lowest MSRP of any quality constant read meter currently on the market. This low price will allow more first time growers to afford the quality and no hassle features of a constant read meter.

MSRP: $49.95
Price: $30.00
FEATURED
Product ID: CW507
Manufacturer: CWP Instruments
24-7 Nutrient Monitor Power Adapter

This item is the replacement power adapter for the 24-7 Nutrient Monitor.

The 24–7 Nutrient Meter from Control Wizard Products is a great all around meter for nutrient applications needing constant monitoring. It measures PPM, pH and Temperature and with its large illuminated display it is easy to read from a distance. Calibration screws are conveniently located on the front for easy access. Control Wizard has priced the new 24-7 Nutrient Meter to have the lowest MSRP of any constant read meter currently on the market. This low price will allow more first time growers to afford the quality and no hassle features of a constant read meter.

MSRP: $19.95
Price: $14.96
FEATURED
Product ID: CW495
Manufacturer: CWP Instruments
Accurate pH 4

This meter utilizes the same body and electronics as the CWP Instruments Accurate pH 3 but has the added advantage of a larger corded electrode. The larger electrode enhances the meters electronic circuitry making it not only very accurate but also it has very stable readings.

The 30 inches long corded electrode allows the user to test a large body of solution without the chance of dropping the meter’s body into the solution being tested.

The electrode is replaceable and the meter has a 2 point calibration system for superior accuracy. Both calibration screws are located inside the battery compartment. The meter has low power consumption circuitry with an auto OFF feature. It uses four 1.5 volt button type batteries.

MSRP: $74.95
Price: $37.48
FEATURED
Product ID: CW496
Manufacturer: CWP Instruments
Accurate pH 4 Probe

This is the replaceable probe for the Accurate pH 4.

The cord is 30 inches long.

MSRP: $33.95
Price: $27.16
FEATURED
Product ID: CW514
Manufacturer: CWP Instruments
Accurate PPM 9

The Accurate PPM 9 is a continuous PPM monitor is rugged in design and function. The meter displays both PPM and temperature and is unaffected by electromagnetic fields from pumps located in reservoirs. It has a tested back lit LCD display and that is bright enough to easily see but not strong enough to cause problems with flowering plants. It has both, a temperature and PPM electrode for superior accuracy and reliability. A one point calibration screw is located on the front for easy and reliable accuracy and it is powered by a 120 volt ac to dc transformer. The ruggedly accurate PPM electrode is replaceable and its replacement cost is affordable and easily available.

 

MSRP: $106.95
Price: $85.56
FEATURED
Product ID: CW513
Manufacturer: CWP Instruments
Accurate PPM 5

The Accurate PPM 5.0 has a fixed electrode and fits the hand well. Upgraded electronics allow the meter to be used near electromagnetic fields with little if any interference. It displays a stable and accurate reading time after time with power saver circuitry and an auto OFF function. A one point calibration screw is located on the back of the meter and uses 1382 ppm/500 to 1 EC calibration solution. It uses four 1.5 volt button type batteries.

MSRP: $59.95
Price: $47.96
FEATURED
Product ID: CW510
Manufacturer: CWP Instruments
EC Dipstick

No matter what meters you have used in the past, the EC Dipstick™ can read just like it! Over the years CWP Instruments’™ EC Dipstick™ has proven to be a rugged performer and a great conductivity meter. The more demanding the situation, the harder it seems to work. The meter is water resistant and its electronics allow for hassle free operation. It does not require calibration like other meters. Calibration is all handled internally. Each time you replace batteries it recalibrates itself. The savings in calibration solution over 5 years alone makes this meter a real buy.

With just a glance, the EC Dipstick™ allows you to easily read all scales at once. Well-placed blinking LED lights show you the conductivity of your nutrient from a brightly printed scale. This is one instance that new technology has actually made the product easier and more fun to use. This meter uses three inexpensive AA flashlight batteries and comes with a limited two-year warranty with your original sales receipt.

MSRP: $84.95
Price: $51.00
FEATURED
Product ID: CW525
Manufacturer: CWP Instruments
Accurate pH 8

Until now, soil growers with the need to keep careful tabs on the pH of their soil has had to rely on either cheap and hokey junk meters or meters that are very expensive and hard to get. Where the Accurate pH 7™ works in shallow depths, To measure at different depths up to 12 inches use the Accurate pH 8™. They are both relatively inexpensive and are manufactured to high quality standards.

Operation is simple. It works by utilizing the electronic ground field effect of the earth and two dissimilar metals. No batteries are required. 1 year limited warranty.

Clean the electrodes and place the meter into the soil. A pH reading is automatically displayed. Press the white button and a moisture reading is displayed.

MSRP: $74.95
Price: $45.00
FEATURED
Product ID: pH4Solution
Manufacturer: CWP Instruments
pH 4 Buffer Solution

CWP Instruments has developed its own line of laboratory grade pH calibration buffers/solutions. pH 4 will work to calibrate all brands of meters. For maximum profits and customer satisfaction switch now to CWP Instruments calibration buffer solutions for conductivity and pH. If you sell CWP Instruments meters, support your customers by making OEM products available to them.

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MSRP: Select a Size
Price: Select a Size
FEATURED
Product ID: pH7Solution
Manufacturer: CWP Instruments
pH 7 Buffer Solution

CWP Instruments has developed its own line of laboratory grade pH calibration buffers/solutions. pH 7 will work to calibrate all brands of meters. For maximum profits and customer satisfaction switch now to CWP Instruments calibration buffer solutions for conductivity and pH. If you sell CWP Instruments meters, support your customers by making OEM products available to them.

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MSRP: Select a Size
Price: Select a Size
FEATURED
Product ID: 1382PPMSolution
Manufacturer: CWP Instruments
1382 PPM Buffer Solution

CWP Instruments has developed its own line of laboratory grade conductivity PPM buffer solutions. The 1382 calibration solution is the answer to all meters using the 500 PPM to every 1 EC scale. These buffer solutions will work for most Hanna, Oakton, Milwaukee, Extech and of course CWP meters.

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MSRP: Select a Size
Price: Select a Size
FEATURED
Product ID: NT750
Manufacturer: CWP Instruments
4 fl oz Calibration (Buffer) Solution Kit

CWP Instruments has developed its own line of laboratory grade pH calibration buffers/solutions and conductivity PPM buffer solutions. Both pH 4 and pH 7 will calibrate all brands of pH meters. The 1382 calibration solution is the answer to all TDS meters using the 500 PPM to every 1 EC scale. These buffer solutions will work for most Hanna, Oakton, Milwaukee, Extech and CWP Instruments.

Contains

  • One (1) 4 oz. bottle pH 4 Calibration Solution.
  • One (1) 4 oz. bottle pH 7 Calibration Solution.
  • One (1) 4 oz. bottle 1382PPM Calibration Solution.
MSRP: $14.95
Price: $11.96
Product ID: HY100
Manufacturer: General Hydroponics
pH Test Kit

Liquids Only. Range of 4.0-8.5

Add sample to be tested to the clear container and add three drops from the test kit bottle to it. Place the cap on tightly and shake. Now compare the samples color to the test chart.

MSRP: $7.54
Price: $5.66
Product ID: HY174
Manufacturer: Hanna
pHep4 pH Tester

Hanna ID: HI98127

Hanna pH hand-held meter 4 that measures pH as well as temperature. The meter automatically compensates for solution temperature for more accurate and quick readings.

pHep 4 pH Testers

  • Dual Level Display Showing pH & Temp.
  • Rugged, Floating Waterproof Casing
  • Replaceable pH Electrode Featuring an Extendable Junction

The waterproof pHep 4 pH testers have a dual-level LCD that displays pH and °C or °F. At startup, pHep performs a self check then displays the remaining battery level to assure proper working condition. These testers also feature a stability indicator and hold feature to prompt the user when to take the reading & freeze the display for easy and accurate recording. These pH/Temperature meters have a stainless steel temperature probe for faster and more precise temperature measurement and auto-compensation. 1 or 2 point calibration is made simple with automatic recognition of both standard and NIST buffer sets. We have designed the new pHep pH electrodes with an extendable reference junction and when the electrode finally is exhausted simply insert a new electrode cartridge!

HI 98127 (pHep4) is supplied complete with protective cap, electrode removal tool, batteries and instructions.

MSRP: $96.95
Price: $77.56
Product ID: HY1801
Manufacturer: Hanna
Replacement pH Probe for GroChek

Replacement Probe for Hanna Grow Check meter series. This will replace the pH electrode in all models of the Grow Check.

HI1286 PROBE FOR HI981401

MSRP: $54.95
Price: $43.96
Product ID: HY1771
Manufacturer: Hanna
HI1285-6 Replacement Probe

HI1285-6 Replacement Probe for NEW HI9813-6 (HY1743)

MSRP: $137.50
Price: $103.13
Product ID: HY180
Manufacturer: Hanna
GroChek TDS Meter

Hanna ID: HI983301N-01

Locate probe in your nutrient tank or reservoir for continuous TDS reading. A very handy device for the serious gardener.

MSRP: $101.95
Price: $81.56
Product ID: HY17411
Manufacturer: Hanna
ph Probe Electrode for HI98129 and HI98127

Hanna Replacement pH Probe for HI98129 EC/TDS/PH/TEMP, and HI98127 pH meters.

MSRP: $59.95
Price: $47.96
Product ID: HY1742
Manufacturer: Hanna
DiST 5 Waterproof Meter

Hanna ID: HI98311

TDS ( reads in PPM), EC and temperature meter tester. Waterproof and designed to float. Feels great in your hand. Very stylish and modern. Low battery indicator. A great buy.

MSRP: $127.95
Price: $95.96
Product ID: HY1861
Manufacturer: Hanna
pH Checker 1

Liquid pH meter with digital readout.

Not temperature compensating but a very good value. We don't get many of these returned so we keep on selling them. Out-performs their more expensive models. Replaceable electrode.

MSRP: $39.95
Price: $31.96
Product ID: HY190
Manufacturer: Hanna
pH Checker 1 Replacement Probe

Replacement Electrode for Hanna model HY1861.

MSRP: $29.95
Price: $23.96
Product ID: HY1741
Manufacturer: Hanna
Hanna COMBO Tester

Hanna ID: HI98129

The HI98129 Combo tester from Hanna Instruments is designed for fast, efficient and high accuracy pH, EC/TDS and temperature measurements. No more switching meters to measure the pH and then the EC or TDS of a solution.

This tester has a hold feature to prompt the user when to take the reading & a display freeze for easy and accurate recording. Calibration and temperature compensation is automatic. The combo has a replaceable pH electrode cartridge and an EC/TDS graphite electrode, which resists contamination. The temperature probe is stainless steel, for faster and more precise measurement.

MSRP: $172.95
Price: $138.36
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