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Testing Equipment, pH, PPM and TDS Meters

4-Way Analyzer

4-Way Analyzer

• Measures four different levels for fertilizer, light, moisture and p...
pH Test Kit and pH Adjusting Kit

pH Test Kit and pH Adjusting Kit

The Complete pH Testing and Adjusting Kit comes with a pH Test Kit, Cr...
pH test strips

pH test strips

pH test strips are easy to use... simply dip and match the color to th...
Control Wizard Soil pH and Moisture Meter

Control Wizard Soil pH and Moisture Meter

Control Wizard Products is now introducing its Accurate pH & moisture ...
Natural pH-Down, 1 lb

Natural pH-Down, 1 lb

A crystallized pH adjuster for the professional and hobbyist. Use Natu...
pH Test Kit, 1 oz

pH Test Kit, 1 oz

Drops are reliable and simple to use. Fill the test tubeabout halfway ...
Control Wizard Accurate pH 8

Control Wizard Accurate pH 8

Professional pH and Moisture Meter with 12" probe. Operation is simple...
pH Test Kit 1 oz

pH Test Kit 1 oz

Reliable and simple to use.Fill the test-tube halfway with nutrient, a...
Natural pH-Down, 2 lb

Natural pH-Down, 2 lb

A crystallized pH adjuster for the professional and hobbyist. Use Natu...
Mini pH Tester

Mini pH Tester

Model 1815 • Economical, Easy to Use, Probe & Read • No Mixing, No Mea...
Natural pH-Up, 1 lb

Natural pH-Up, 1 lb

A crystallized pH adjuster for the professional and hobbyist. Use Natu...
Hanna™ Checker pH Tester

Hanna™ Checker pH Tester

At the cost of just a few rolls of litmus paper, you can have the indu...
Rapitest Soil pH Meter

Rapitest Soil pH Meter

Model 1840 • Instantly tells you how acid or alkaline soil is • Check ...
Natural pH-Up, 2 lb

Natural pH-Up, 2 lb

A crystallized pH adjuster for the professional and hobbyist Use Eart...
PH-200: Waterproof pH Meter

PH-200: Waterproof pH Meter

Ideal for all pH testing, water purification applications, wastewater ...
Rapitest pH Soil Test Kit

Rapitest pH Soil Test Kit

Kit includes: • Color comparator• 10 pH test capsules• Complete instru...
pH Down, quart <b> In store pickup only!</b>

pH Down, quart In store pickup only!

In store pickup only! An important part of growing healthy plants...
Oakton EcoTestr PH2

Oakton EcoTestr PH2

• Automatic temperature compensation• Waterproof, dust proof housing t...
Rapitest Soil pH, N, P, K Test Kit

Rapitest Soil pH, N, P, K Test Kit

Kit includes: • 4 color color comparators • 40 test capsules, 10 each ...
pH Down, gallon <b> In store pickup only!</b>

pH Down, gallon In store pickup only!

In store pickup only! An important part of growing healthy plants...
Bluelab® Truncheon Nutrient Meter

Bluelab® Truncheon Nutrient Meter

No Calibration! Water proof! Auto On/Off! Reads EC, CF and PPM on one ...
pH Up, quart <b> In store pickup only!</b>

pH Up, quart In store pickup only!

In store pickup only! An important part of growing healthy plants...
Bluelab® Commercial Truncheon Meter

Bluelab® Commercial Truncheon Meter

With a conductivity range right up to 6.0EC (60CF or 4200ppm), it will...
Bluelab® pH Meter

Bluelab® pH Meter

The Bluelab® pH Meter is used to accurately measure the pH value of a ...
pH Up, gallon <b> In store pickup only!</b>

pH Up, gallon In store pickup only!

In store pickup only! An important part of growing healthy plants...
Bluelab® Combo Meter

Bluelab® Combo Meter

• Light weight and portable• Measures pH, Nutrient and Temperature• Th...
Bluelab Meter Probe Cleaning Kit

Bluelab Meter Probe Cleaning Kit

pH Cleaning & Calibration Kit:• Full Color Laminated Instructions• Cal...
Bluelab® Soil pH Meter

Bluelab® Soil pH Meter

If you need to measure the pH level of soil, media or substrates, then...
Bluelab® Guardian Monitor

Bluelab® Guardian Monitor

In just one glance it measures all three critical parameters for succe...
General Hydroponics PH 4.01 Calibration Solution 8 oz

General Hydroponics PH 4.01 Calibration Solution 8 oz

General Hydroponics™ uses the highest quality reference solutions, all...
Bluelab® Replacement pH Probe

Bluelab® Replacement pH Probe

Bluelab® replacement pH probe for meters.
General Hydroponics PH 4.01 Calibration Solution, quart

General Hydroponics PH 4.01 Calibration Solution, quart

General Hydroponics™ uses the highest quality reference solutions, all...
Bluelab® Soil pH replacement Probe

Bluelab® Soil pH replacement Probe

Bluelab® replacement soil pH probe for meters.
General Hydroponics PH 7.01 Calibration Solution 8 oz

General Hydroponics PH 7.01 Calibration Solution 8 oz

General Hydroponics™ uses the highest quality reference solutions, all...
Bluelab® pH Meter Contact Ring, 3 pack

Bluelab® pH Meter Contact Ring, 3 pack

A Contact Ring helps the Bluelab pH Truncheon maintain its waterproof ...
General Hydroponics PH 7.01 Calibration Solution, quart

General Hydroponics PH 7.01 Calibration Solution, quart

General Hydroponics™ uses the highest quality reference solutions, all...
Bluelab® Probe Cleaning Kit

Bluelab® Probe Cleaning Kit

• Full color laminated instructions• Conductivity standard solution• D...
Hanna™ 4.0 Calibration Solution, sachet

Hanna™ 4.0 Calibration Solution, sachet

Hanna™ buffer solutions are prepared according to precise formulas and...
TDS-EZ Water Quality Tester

TDS-EZ Water Quality Tester

Features:Highly efficient and accurate due to its advanced microproces...
Hanna™ 7.0 Calibration Solution, sachet

Hanna™ 7.0 Calibration Solution, sachet

pH 7.01 is the most widely used among all buffer solutions. For this r...
Hanna™ 1.413 mS EC Calibration Solution, 16 oz

Hanna™ 1.413 mS EC Calibration Solution, 16 oz

For use with Hanna™ Dist 1 TDS meters (HI98301). The 1413 mS/cm...
Hanna™ pH/Conductivity/TDS Combo Tester

Hanna™ pH/Conductivity/TDS Combo Tester

HI 98129 is a waterproof tester that offers high accuracy pH, EC/TDS a...
Waterproof EC/ TDS / Temp Combo Meter

Waterproof EC/ TDS / Temp Combo Meter

Ideal for all water quality testing, water purification applications, ...
Hanna™ 4.0 Calibration Solution, 16 oz

Hanna™ 4.0 Calibration Solution, 16 oz

Hanna™ buffer solutions are prepared according to precise formulas and...
Hanna™ 1382 ppm TDS Calibration Solution, 16 oz

Hanna™ 1382 ppm TDS Calibration Solution, 16 oz

For use with Hanna™ Dist 1 TDS meters (HI98301). TDS solution are pro...
Hanna™ pH Champs

Hanna™ pH Champs

New "cloth junction" means that maintenance is no longer a problem! No...
Hanna™ 7.0 Calibration Solution, 16 oz

Hanna™ 7.0 Calibration Solution, 16 oz

pH 7.01 is the most widely used among all buffer solutions. For this r...
Hanna™ Waterproof  EC/TDS Tester

Hanna™ Waterproof EC/TDS Tester

The original DiST (Dissolved Solids Tester) was first introduced in 19...
General Hydroponics 1500 PPM Reference Solution,  8 oz

General Hydroponics 1500 PPM Reference Solution, 8 oz

General Hydroponics™ uses the highest quality reference solutions, all...
Hanna™ Primo TDS Meter

Hanna™ Primo TDS Meter

The Primo TDS tester provides a fast and dependable way to measure the...
TDS-3 Handheld Meter With Carrying Case

TDS-3 Handheld Meter With Carrying Case

Ideal for all water purification applications, wastewater regulation, ...
Hanna™ 1500 ppm TDS Calibration Solution, 16 oz

Hanna™ 1500 ppm TDS Calibration Solution, 16 oz

For use with Hanna™ GroCheck TDS (HI983301), GroCheck Combo (HI981404N...
Hanna™ Cal Check Solution, 20 mL

Hanna™ Cal Check Solution, 20 mL

For Use with HI9813 Gro Check Meter. This solution cleans and calibra...
Hanna™ Dist-1 TDS Tester

Hanna™ Dist-1 TDS Tester

The Hanna™ DiST 1 comes with a large, easy-to-read display, a battery ...
Hanna™ Electrode Cleaner

Hanna™ Electrode Cleaner

Clean the liquid junction of your electrodes once a day or at least on...
Hanna™ Waterproof pH Tester

Hanna™ Waterproof pH Tester

Features dual level display showing pH/ temperature and percent remain...
Hanna™ GroChek pH Meter

Hanna™ GroChek pH Meter

• Low cost continuous indicator. • Supplied complete with a double jun...
Hanna™ Storage Solution

Hanna™ Storage Solution

TDS solution are produced with high-quality potassium chloride in vari...
Hanna™ GroChek TDS Meter

Hanna™ GroChek TDS Meter

The GroChek TDS Meter • Continuous reading TDS meter with a remote lab...
Hanna™ GroChek Combo pH/EC Constant Monitor

Hanna™ GroChek Combo pH/EC Constant Monitor

• Two parameters with a single instrument• Advanced electrod...
Hanna™ pH GroChek Tester EC/TDS

Hanna™ pH GroChek Tester EC/TDS

This handheld unit Features one probe for pH, EC and TDS. It also Fea...
Hanna™ pH/EC/TDS/°C Portable Meter

Hanna™ pH/EC/TDS/°C Portable Meter

HI 9811-5 and HI 9812-5 are pH/EC/TDS waterproof meters designed for s...
24-7 Nutrient Monitor with Calibration Solution

24-7 Nutrient Monitor with Calibration Solution

The 24-7 Nutrient Meter from Control Wizard Products is a great all ar...
Hanna™ Replacement pH Electrode

Hanna™ Replacement pH Electrode

Hanna™ Replacement pH Electrode (for HI98127, HI98129)...
24-7 Monitor PPM Replacement Probe

24-7 Monitor PPM Replacement Probe

Replacement PPM probe for the Sunlight Supply 24-7 Nutrient Meter....
Hanna™ GroCheck Replacement pH Probe

Hanna™ GroCheck Replacement pH Probe

Replacement pH probe for pH GroCheck units.
24-7 Monitor pH Replacement Probe

24-7 Monitor pH Replacement Probe

Replacement pH probe for the Sunlight Supply 24-7 Nutrient Meter....
Oakton pH2 Replacement Electrode

Oakton pH2 Replacement Electrode

For use with Oakton waterproof pH testers (pH1 and pH2) with microproc...
Replacement Battery Pack, 4 batteries

Replacement Battery Pack, 4 batteries

For use with pH and EC/TDS portable pens such as Hanna™ pH Champs, Dis...
Bacteria Check Water Quality Test Kit

Bacteria Check Water Quality Test Kit

Water quality test for the rapid detection of Coliforms in water. Fast...
Hanna™ Blue Shockproof Boot

Hanna™ Blue Shockproof Boot

Shockproof rubber boot for portable meters with HI 991001 casing.This ...
Hanna™ Orange Shockproof Boot

Hanna™ Orange Shockproof Boot

Shockproof rubber boot for portable meters with HI 991001 casing.This ...

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