Poly Spun Sediment Filters are a pre-filter that will reduce silt, rust, dirt, sand and sediment.
$15.47 $13.80
Features:
• Measures pH, conductivity (EC and 500ppm/700ppm) and temperature (5-in-1)
• Compatible with all GroStar replacement probes: pH, Soil pH, EC and PH/EC Combo
• Premium probe technologies and materials ensure high accuracy and durability with
$178.99 $144.49
Use our sturdy black vinyl tubing, which is FDA-approved and BPA-free, for your irrigation systems and tanks, and to complete your own hydroponic systems. The material is easy to cut to size, but will remain strong and reliable.
$72.99 $68.25
Use our sturdy black vinyl tubing, which is FDA-approved and BPA-free, for your irrigation systems and tanks, and to complete your own hydroponic systems. The material is easy to cut to size, but will remain strong and reliable.
$112.31 $107.01
Use our sturdy black vinyl tubing, which is FDA-approved and BPA-free, for your irrigation systems and tanks, and to complete your own hydroponic systems. The material is easy to cut to size, but will remain strong and reliable.
$37.99 $32.71
Use our sturdy black vinyl tubing, which is FDA-approved and BPA-free, for your irrigation systems and tanks, and to complete your own hydroponic systems. The material is easy to cut to size, but will remain strong and reliable.
$63.99 $57.87
EcoPlus Eco 633 Fixed Flow Submersible/Inline Pump 594 GPH
$79.27 $70.75
EcoPlus Eco 396 Fixed Flow Submersible/Inline Pump 396 GPH
$39.25 $35.03
EcoPlus Eco 264 Fixed Flow Submersible/Inline Pump 290 GPH
$35.08 $31.31
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
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
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
PH UP
When Your pH Is Too Low, You Need pH-Up
-- The Highest Concentration in Hydroponics!
$81.54 $55.04
PH DOWN
When Your pH Is Too High, You Need pH-Down
-- The Highest Concentration in Hydroponics!
$25.74 $17.37
CES pH Up™
Concentrated pH adjustment liquid, alkaline buffer raises water and nutrient solution pH. Highly concentrated, use conservatively. Slowly add to pure water or nutrient solution, at small intervals. Note beginning reading and then test pH. Re
$32.50 $33.60
Bluelab® Guardian Monitor
Adjustable brightness display. Large easy-to-read, plant-safe green LED displays.
$445.20 $378.42