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New farmers welcome This 4-in-1 kit has everything you need to start your professional grow.  Starter Kit: tools & accessories for every day o...

Nutrients & Substrate 3 month supply of professional grade nutrients and grow plugs What's Included: farmhand form 14-0-0, (3) 5lb farmhand ...

Nutrients & Substrate A 3 month supply of nutrients and substrate for reverse osmosis treated water  What's Included: farmhand form 14-0-0, (4...

Organization & Upkeep A 12 month supply of maintenance products What's Included 200 Cell Seedling Trays pack of 16 Plant Stake Labels Box o...

Clean & Calibrate 3 month supply of everything you need to keep your farm running clean and calibrated for peak performance What's Included: 2...

Tools & Accessories Designed as a one-time purchase, this starter kit includes a selection of products you'll need to successfully operate your...

Cell & Tissue Structure Designed as a 2-part vegetative nutrient base paired with farmhand grow - this granular formula provides an evenly bal...

Vegetative Development farmhand grow is a balanced water-soluble product designed to provide even growth throughout vegetative development. Specia...

Vegetative Development farmhand grow RO is a balanced water-soluble product designed to provide even growth throughout vegetative development. Wit...

Improve Flowering & Fruiting farmhand bloom is a high-phosphorus and potassium water-soluble product designed to improve nutrient conditions fo...

Active Aqua air stones are an ideal way to add oxygen to your hydroponic growing system. The micropore design energizes the growing solution as it ...

Active Aqua air stones are an ideal way to add oxygen to your hydroponic growing system. The micropore design energizes the growing solution as it ...

Active Aqua air stones are an ideal way to add oxygen to your hydroponic growing system. The micropore design energizes the growing solution as it ...

Enclose your submersible pump in this fine mesh, zippered filter bag to prevent pump clogging. Filters all forms of biological and nutrient sedimen...

Color-Correcting LED Grow Room Lenses Color correction plus eye protection These Color-Correcting LED Grow Room Lenses let you see the true colors ...

Increase Plant Health An effective broad spectrum bactericide / fungicide that increases plant health by killing algae, bacteria, fungi and their s...

ZeroTol HC is a broad-spectrum bactericide/fungicide peroxyacetic acid chemistry formulated with the smaller grower in mind. ZeroTol HC is perfect ...

This black plastic bucket lid is the companion to our five gallon plastic bucket. They are sold individually and are finely crafted to provide a st...

The Garden Soft Tie works by gently securing plants with its padded material that will not cut into the stems. The tie's green color blends seamles...

GroStar by Apera EC Calibration Kit (2.77 EC, 8 oz. each) • 2.77 EC conductivity standard calibration solution• Used as a reference or checking so...

Lab grade instruments designed specifically for growers! Includes: pH 7 & pH4 calibration solution (50ml bottle each), KCL storage solution (10...

AI58010 - GroStar GS1-E replacement pH electrode • Replacement GS1 probe measures pH and temperature• Premium probe technologies and materials ens...

AI31020 - GroStar GS2 Soil pH Pen Lab grade instruments designed specifically for growers! Includes: pH 7 &  pH 4 solution (50ml bottles of e...

AI58020 - GroStar GS2-E replacement Soil Spear pH electrode • Spear pH Probe measures pH and temperature in nutrient solution, soil, coco coir, ro...

Lab grade instruments designed specifically for growers! Includes: 2.77 EC calibration solution (50 ml bottle) • Measures conductivity EC, PPM (500...

AI58030 - GroStar GS3-E replacement EC electrode • Measures conductivity EC, PPM (500), PPM (700) and temperature• Premium probe technologies and ...

AI21040 - GroStar GS4 pH/EC/500ppm/700ppm & Temp (5-in-1) Combo Pen Lab grade instruments designed specifically for growers! Includes:  pH 7...

AI58040 - GroStar GS4-E replacement pH/EC combo electrode • Measures pH, conductivity (EC and PPM) and temperature• Combo probe built with lithium...