Control Wizard Products is now introducing its Accurate pH & moisture ...
The Complete pH Testing and Adjusting Kit comes with a pH Test Kit, Cr...
• Measures four different levels for fertilizer, light, moisture and p...
A crystallized pH adjuster for the professional and hobbyist. Use Natu...
A crystallized pH adjuster for the professional and hobbyist. Use Natu...
Drops are reliable and simple to use. Fill the test tubeabout halfway ...
Professional pH and Moisture Meter with 12" probe. Operation is simple...
A crystallized pH adjuster for the professional and hobbyist. Use Natu...
A crystallized pH adjuster for the professional and hobbyist Use Eart...
pH test strips are easy to use... simply dip and match the color to th...
Reliable and simple to use.Fill the test-tube halfway with nutrient, a...
Model 1815 • Economical, Easy to Use, Probe & Read • No Mixing, No Mea...
The pH-80 is an economically priced, reliable pH meter that is ideal f...
Kit includes: • Color comparator• 10 pH test capsules• Complete instru...
pH Cleaning & Calibration Kit:• Full Color Laminated Instructions• Cal...
Ideal for all water purification applications, wastewater regulation, ...
Model 1840 • Instantly tells you how acid or alkaline soil is • Check ...
General Hydroponics™ uses the highest quality reference solutions, all...
• Automatic temperature compensation• Waterproof, dust proof housing t...
Kit includes: • 4 color color comparators • 40 test capsules, 10 each ...
General Hydroponics™ uses the highest quality reference solutions, all...
For use with Oakton waterproof pH testers (pH1 and pH2) with microproc...
General Hydroponics™ uses the highest quality reference solutions, all...
At the cost of just a few rolls of litmus paper, you can have the indu...
General Hydroponics™ uses the highest quality reference solutions, all...
The Primo TDS tester provides a fast and dependable way to measure the...
General Hydroponics™ uses the highest quality reference solutions, all...
New "cloth junction" means that maintenance is no longer a problem! No...
Features:Highly efficient and accurate due to its advanced microproces...
Hanna™ buffer solutions are prepared according to precise formulas and...
Ideal for all water quality testing, water purification applications, ...
Hanna™ buffer solutions are prepared according to precise formulas and...
pH 7.01 is the most widely used among all buffer solutions. For this r...
The Hanna™ DiST 1 comes with a large, easy-to-read display, a battery ...
pH 7.01 is the most widely used among all buffer solutions. For this r...
The GroChek TDS Meter • Continuous reading TDS meter with a remote lab...
For Use with HI9813 Gro Check Meter. This solution cleans and calibra...
The original DiST (Dissolved Solids Tester) was first introduced in 19...
Clean the liquid junction of your electrodes once a day or at least on...
This handheld unit Features one probe for pH, EC and TDS. It also Fea...
TDS solution are produced with high-quality potassium chloride in vari...
HI 98129 is a waterproof tester that offers high accuracy pH, EC/TDS a...
For use with Hanna™ Dist 1 TDS meters (HI98301). The 1413 mS/cm...
• Two parameters with a single instrument• Advanced electrod...
For use with Hanna™ Dist 1 TDS meters (HI98301). TDS solution are pro...
Features dual level display showing pH/ temperature and percent remain...
For use with Hanna™ GroCheck TDS (HI983301), GroCheck Combo (HI981404N...
• Low cost continuous indicator. • Supplied complete with a double jun...
Hanna™ Replacement pH Electrode (for HI98127, HI98129)...
Replacement PPM probe for the Sunlight Supply 24-7 Nutrient Meter....
Replacement pH probe for pH GroCheck units.
HI 9811-5 and HI 9812-5 are pH/EC/TDS waterproof meters designed for s...
Shockproof rubber boot for portable meters with HI 991001 casing.This ...
Shockproof rubber boot for portable meters with HI 991001 casing.This ...
No Calibration! Water proof! Auto On/Off! Reads EC, CF and PPM on one ...
With a conductivity range right up to 6.0EC (60CF or 4200ppm), it will...
The Bluelab® pH Meter is used to accurately measure the pH value of a ...
• Light weight and portable• Measures pH, Nutrient and Temperature• Th...
In just one glance it measures all three critical parameters for succe...
If you need to measure the pH level of soil, media or substrates, then...
Bluelab® replacement pH probe for meters.
Bluelab® replacement soil pH probe for meters.
A Contact Ring helps the Bluelab pH Truncheon maintain its waterproof ...
• Full color laminated instructions• Conductivity standard solution• D...
The 24-7 Nutrient Meter from Control Wizard Products is a great all ar...
Replacement pH probe for the Sunlight Supply 24-7 Nutrient Meter....
For use with pH and EC/TDS portable pens such as Hanna™ pH Champs, Dis...
Water quality test for the rapid detection of Coliforms in water. Fast...