Products

This 150W HPS lamp is the replacement lamp for the Mini Sunburst 150W HPS unit (NOTE: for item code SBMM150S; not compatible with SBM150S). It has ...

Lock Down Pads are water resistant, yellow sticky pads that attract a wide range of insects including fungus gnats, thrips, spider mites, leaf mine...

The High-Tech 110 cup Shredder allows for grinding plant matter to the perfect consistency in a short amount of time. The machine uses whips rather...

Advanced HID Lamp Control | High temperature shutdown with selectable delay Combines all of the HLC1, HLC2, and HLC3 functions into one unit. Selec...

NaCl calibration solution 1000 ppm comes in lightweight HDPE plastic bottles. Sealed with a coated foam liner. Shipping Weight 0.22 lbs. ...

FEATURES Measures total dissolved solids (TDS) and temperature Automatic Temperature Compensation (ATC) Water-resistant housing Measurement Range:...

SPECIFICATIONS EC Range: 0-9990 µS; 0-9.99 mS TDS Range: 0-8560 ppm (mg/L); 0-8.56 ppt Temperature Range: 0-80 °C/32-176 °FResolution: 0-99: 0.1 µS...

The COM-80 is an economically priced, reliable EC/TDS meter that is ideal for testing applications such as hydroponics & gardening, pools &...

Ideal for commercial use. Includes a carrying case with belt clip. Highly efficient and accurate due to its advanced microprocessor technol...

HydroMaster Digital testers make monitoring water easier than ever by reading the levels that matter most and providing accurate readings that you ...

The HM Digital Hydromaster EC/TDS Probe is a replacement part for the HydroMaster HM-500. Shipping Weight 0.14 lbs. Package Dimensions 1.75L x...

The COM-300 is an advanced waterproof combo meter with superior accuracy. The meter measures four parameters: pH, electrical conductivity (...

Resolution: pH 0.1 pH, 0.00–14.0 pH. Accurate to +/-0.1 pH. Hold button and auto shut-off. Automatic calibration: Auto-ranging to 4, 7 or 1...

Shipping Weight 0.39 lbs. Package Dimensions 2.00L x 3.30W x 8.50H Alternate Keywords: hm digital, ph, ph 200, ph meter, Barcodes 8911440...

The PH-80 is an economically priced, reliable pH meter that is ideal for testing applications such as hydroponics & gardening, pools & spas...

For use with HM Digital's PH-200 and PH-80 (as well as other brands of pH meters). Always make sure your sensor is kept in an electrode storage sol...

This spare pH sensor is for HM Digital Waterproof pH Meter model P-200. Features glass pH sensor and reference tube and thermister.

HM-500 Replacement pH probe2 Meter / 80 inch cable lengthIncludes pH storage solution, 6-month warranty

This spare sensor is for HM Digital EC/TDS/Temp Combo Meter model COM-100. Features platinum TDS/EC sensor and thermister. Shipping Weight...

Ideal for commercial use, the TDS-3 includes a carrying case with belt clip. It is highly efficent and accurate due to its advanced microprocessor ...

The COM-80 is an economically priced, reliable EC/TDS meter that is ideal for testing applications such as hydroponics, gardening, pools, s...

Measures pH and temperature. Auto-ranging three point calibration with digital fine tuning. pH buffer 4 solution is in a sponge embedded in...

HydroMaster Digital tester makes monitoring water easier than ever by reading the levels that matter most and providing accurate readings t...

Hormex is a vitamin, hormone concentrate and root growth stimulant, and has been a household name amongst the horticultural community for almost 50...