Collection
Showing 433 - 456 of 636
Sale-15%
Measure Master Measure Master Graduated Round
Measure Master Graduated Round Container 64 oz / 2000 ml
$30.38
$25.82
Sale-10%
Hydro Dynamics International HDI Nitrozime
HydroDynamics Europonic Nitrozime Quart
$10.20
$9.18
Sale-10%
Hydro Dynamics International HDI Mother Plant B
HydroDynamics Mother Plant A Quart
$18.36
$16.52
Sale-10%
Hydro Dynamics International HDI Ionic PK Boost
HydroDynamics Ionic PK Boost Gallon
$59.49
$53.54
Sale-36%
Hydro Dynamics International HDI Fossil Fuel
HydroDynamics Europonic Fossil Fuel
$214.18
$136.89
Sale-10%
Hydro Dynamics International HDI Clonex Rooting Compound
HydroDynamics Clonex Gel
$29.99
$26.99
Sale-10%
Hydro Dynamics International HDI Clonex Clone Solution
HydroDynamics Clonex Clone Solution
$2.39
$2.15
Sale-12%
Hanna Instruments Groline Probe Inline
The HI1285-9 inline multiparameter probe measures pH, EC/TDS, and temperature in one convenient, rugged probe. Use with the HI981421 GroLine Monitor to provide around-the-clock, continuous monitoring of pH, conductivity (EC & TDS), and temperature in hydr
$290.00
$254.99
Sale-12%
Hanna Instruments GroLine Cleaning Solution 230 ML
HI7061-023 is the GroLine general purpose cleaning solution that can be used for a variety of applications. Electrodes can become dirty from use and will produce inaccurate results even as they read correctly in a pH buffer. Hanna's cleaning solutions eli
$16.50
$14.49
Sale-12%
Hanna Instruments GroLine Calibration Sol 4.01 230 ML
HI7004-023 is a high quality pH 4.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof
$16.50
$14.49
Showing 433 - 456 of 636