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Displaying 1 to 19 (of 19 products) Result Pages:  1 
 Sort by Popularity-   Manufacturer   Product(s)   Model   Price   Buy Now 
 pHep®4 pH Tester (HI98127).   Hanna Instruments   pHep®4 pH Tester (HI98127). 
pHep®4 pH Testers Hanna pH hand-held meter that measures pH as well as temperature. The meter automatically compensates for solution temperature for more accurate and quick readings.Hanna ID: HI98127Dual Level Display Showing pH & Temp.Rugged, Floating Waterproof CasingReplaceable pH Electrode Featuring an Extendable JunctionThe waterproof pHep® 4 pH tester has a dual-level LCD tha... Note: Calibration Buffer Solutions are available separately. — Ships from Portland, Oregon USA....more info.
 HY174   $84.46 
 pH Checker 1.   Hanna Instruments   pH Checker 1. 
HANNA pH CHECKER 1 (LIQUIDS ONLY) Digital readout.Not temperature compensating but a very good value. We don't get many of these returned so we keep on selling them. Out-performs their more expensive models. Replaceable electrode.... — Ships from Portland, Oregon USA....more info.
 HY1861   $62.13 
 Hanna COMBO Tester (HI98129).   Hanna Instruments   Hanna COMBO Tester (HI98129). 
The HI98129 Combo tester from Hanna Instruments is designed for fast, efficient and high accuracy pH, EC/TDS and temperature measurements. No more switching meters to measure the pH and then the EC or TDS of a solution.This tester has a hold feature to prompt the user when to take the reading & a display freeze for easy and accurate recording. Calibration and temperature compensati... — Ships from Portland, Oregon USA....more info.
 HY1741   $150.67 
 Replacement ph Probe Electrode for HI98129 and HI98127.   Hanna Instruments   Replacement ph Probe Electrode for HI98129 and HI98127. 
Hanna Replacement pH Probe for HI98129 EC/TDS/PH/TEMP, and HI98127 (pHep®4 pH Tester) PH meters.Hanna Product Number HI73127... Note: Calibration Buffer Solutions are available separately. — Ships from Portland, Oregon USA....more info.
 HY17411   $52.23 
 pH Checker 1 Replacement Probe.   Hanna Instruments   pH Checker 1 Replacement Probe. 
HANNA pH CHECKER 1 Replacement Electrode for Hanna model HY1861.... — Ships from Portland, Oregon USA....more info.
 HY190   $26.09 
 Grocheck Combo Meter.   Hanna Instruments   Grocheck Combo Meter. 
HI9813-6 GROCHECK PORTABLE COMBO.pH/EC/TDS/Temp Meter with F.S.T. Technology New Technology to Check the Status of the ElectrodeMeasures a Variety of Parameters with One InstrumentFast Response ProbeHANNA instruments® developed new F.S.T. technology for the new HI 9813-6. With this special security system, if the meter encounters incorrect readings, the instrument doesn’t display v... — Ships from Portland, Oregon USA....more info.
 HY177   $204.69 
 Pyrethrin Garden Insect Spray Concentrate 8 oz.   Bonide   Pyrethrin Garden Insect Spray Concentrate 8 oz. 
Pyrethrin Garden Insect Spray Concentrate 8 oz. (704745)Bonide® Pyrethrin Garden Insect Spray Natural Pyrethrin in a concentrated formula for economical, natural, broad spectrum garden insect control. • Not for Sale in AK, CA, DC, ME, NY, SD, and WY at the time of this catalog printing. • EPA Reg. No. 4-371. Manufacturer's Product Infor... — Ships from H: WA, CA, CO, MI, TN, PA, FL USA (No USPS)....more info.
 704745   $10.27 
 DiST 5 Waterproof Meter.   Hanna Instruments   DiST 5 Waterproof Meter. 
Hanna Instruments model HI 98311. TDS ( reads in PPM), EC and temperature meter tester. Waterproof and designed to float. Feels great in your hand. Very stylish and modern. Low battery indicator. A great buy.... — Ships from Portland, Oregon USA....more info.
 HY1742   $104.50 
 Replacement Probe for GroChek.   Hanna Instruments   Replacement Probe for GroChek. 
Replacement Probe for Hanna Gro Chek meter series. HI1286 PROBE FOR HI981401Replacement Probe for Hanna Grow Check meter series. This will replace the pH elecrtrode in all models of the Grow Check.... — Ships from Portland, Oregon USA....more info.
 HY1801   $47.87 
 pH Combo Electrode Glass Body - Refillable Temp. Sensor (Special Order)   Hanna Instruments   pH Combo Electrode Glass Body - Refillable Temp. Sensor (Special Order) 
Hanna Instruments pH Combo Electrode Glass Body - Refillable Temp. Sensor (HI1292D)pH Combo Electrode Glass Body - Refillable Temp. Sensor Manufacturer's Product Information MSRP each $192.95 Dimensions2 x 2 x 10 Case Quantity1 ... — Ships separately from HF: OR, CA, CO, PA, TX, FL USA (No USPS).* Special Order - can take 2-6 weeks to ship, cannot be canceled or returned....more info.
 hf-HI1292D   $147.60 
 GroChek TDS Meter.   Hanna Instruments   GroChek TDS Meter. 
Hanna Gro Chek TDS Meter. Locate probe in your nutrient tank or reservoir for continuous TDS reading. A very handy device for the seriious gardener. Measured in PPM.Hanna Product Number: HI983301N ... Note: Calibration Buffer Solutions are available separately. — Ships from Portland, Oregon USA....more info.
 HY180   $88.82 
 GroChek pH Meter.   Hanna Instruments   GroChek pH Meter. 
HANNA GRO CHEK pH Meter. This meter provides a continuous digital pH reading. It is powered by a simple transformer. The electrode rests in your reservoir or nutrient tank and provides real-time pH monitoring. You can have a professional piece of equipment at consumer prices!... Note: Calibration Buffer Solutions are available separately. — Ships from Portland, Oregon USA....more info.
 HY181   $93.17 
 HydroWorxx Insecticidal Soap 3 in 1 Conc. Gallon (4/Cs) (SPECIAL ORDER)      HydroWorxx Insecticidal Soap 3 in 1 Conc. Gallon (4/Cs) (SPECIAL ORDER) 
HydroWorxx™ Insecticidal Soap 3 in 1 (705307)HydroWorxx™ Insecticidal Soap 3 in 1 kills pests fast by disrupting membrane and cellular function and contains specially selected fatty acid salts (soaps) chosen for effective pest control and for optimum spreading. This insecticidal soap is effective against the adult, larval and nymph stages of pests. Kills listed insects on contact. ... This item is sold individually. — Ships from H: WA, CA, CO, MI, TN, PA, FL USA (No USPS)....more info.
 705307   $103.40 
 Big Time Hydroponics     Big Time Rinse, 2.5 gal (Special Order)      Big Time Hydroponics Big Time Rinse, 2.5 gal (Special Order) 
Big Time Rinse is used at the end of a crop's growth cycle to trigger the last reproductive stage of the plant, forcing it to process and assimilate internally stored nutrients. Pre-harvest treatments with Big Time Rinse can enhance flavors and increase yields in fruits, vegetables, and culinary herbs encouraging plants to process these excess nutrients. Can also be used to ... — Ships separately from HF: OR, CA, CO, PA, TX, FL USA (No USPS).* Special Order - can take 2-6 weeks to ship, cannot be canceled or returned....more info.
 hf-BTRI255P   $74.09 
 GH Exile Insecticide / Fungicide / Miticide 2.5 Gallon (2/Cs)   General Hydroponics   GH Exile Insecticide / Fungicide / Miticide 2.5 Gallon (2/Cs) 
General Hydroponics Exile Insecticide/Fungicide/Miticide is OMRI-listed for use in organic gardening and an EPA-registered fungicide. That means one product gives you control of listed pests and diseases (e.g. soft-bodied pests and powdery mildew) in vegetable gardens, landscapes and greenhouses. The formulation is based on potassium salts of naturally derived fatty acids. General ... This item is sold individually. — Ships separately from H: WA, CA, CO, MI, TN, PA, FL USA (No USPS)....more info.
 722075   $137.36 
 HD Hudson Insta-Spray Battery Operated Garden Sprayer, 1.3 gal      HD Hudson Insta-Spray Battery Operated Garden Sprayer, 1.3 gal 
1.3 Gallon Insta-Spray Battery Operated Garden Sprayer is great for target weed spraying. 36" Telescopic Wand controls direct sprayer. Easy to fill, easy to Use. Uses four D Batteries, not included. Batteries last for 10 hours of spraying. Unique Triple switch, on/off/reverse, reverse drains hose and wand to keep liquid in tank while not in use.... — Ships from HF: OR, CA, CO, PA, TX, FL USA (No USPS)....more info.
 hf-HD13581   $25.77 
 Hydro Flow / Netafim 17 mm Insert Adapter w/ Grommet for 1.5 in or Larger PVC (Bag of 25)      Hydro Flow / Netafim 17 mm Insert Adapter w/ Grommet for 1.5 in or Larger PVC (Bag of 25) 
Hydro Flow®/Netafim's 17 mm insert adapter is used to bring a dripline out of 1-1/2 inch or larger PVC pipe. Simply drill a hole in your PVC using the Hydro Flow®/Netafim drill bit, insert grommet and insert adapter fitting into the grommet.... — Ships from H: WA, CA, CO, MI, TN, PA, FL USA (No USPS)....more info.
 747618   $61.77 
 HydroWorxx Mite and Insect Conc. Gallon (4/Cs)      HydroWorxx Mite and Insect Conc. Gallon (4/Cs) 
HydroWorxx™ Mite & Insect Killer (705303)Contains the dual active ingredients pyrethrins and canola oil to control all life stages of labeled pests. Pyrethrins are a botanical extract derived from the chrysanthemum flower that have a toxic effect specific to insects. They penetrate the cuticle and prevent normal function of the insect nervous system, leading to insect death. While ... This item is sold individually. — Ships from H: WA, CA, CO, MI, TN, PA, FL USA (No USPS)....more info.
 705303   $221.57 
 Salinity (NaCI) Calibration solution 30g-l.   Hanna Instruments   Salinity (NaCI) Calibration solution 30g-l. 
Hanna Instruments Salinity (NaCI) Calibration solution 30g-l. (HI7081M) Salinity (NaCI) Calibration solution 30g-l. Manufacturer's Product Information MSRP each $34.95 Dimensions2.7 x 1.1 x 5.7 Case Weight12 Case Quantity12 ... — Ships from HF: OR, CA, CO, PA, TX, FL USA (No USPS).* Special Order - can take 2-6 weeks to ship, cannot be canceled or returned....more info.
 hf-HI7081M   $14.81 
Displaying 1 to 19 (of 19 products) Result Pages:  1 
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Growstone Gnat Nix! 9 Liter Bag
Growstone Gnat Nix! 9 Liter Bag
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MINT LED 1000 LED Panel (620 Watt)
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