Emerald Harvest pH Down Quart/0.95 Liter Keep your nutrient solution in the sweet spot with Emerald Harvest® pH Down. A pH reading above 6.5 is considered too alkaline for most hydroponic gardens. This premium pH acidifier allows you to reduce the pH

Grower's Edge Natural Bamboo 8 ft - 6/Bag Grower's Edge® Natural Bamboo Stakes are all-natural, strong, lightweight, inexpensive, weather well and last several seasons in the garden. Use these stakes as plant stakes and markers or as supports for pott

Gavita Pro Classic Series 1000 DE 277-347 Volt - Bulk Professional 1000 watt high frequency electronic ballast. Including high efficiency Miro aluminum horticultural HortiStar HR96 reflector (95% efficiency). Includes 1000 watt double-ended EL lamp. Mi

Gavita Pro SL 1000e DE 208-240V HR96 Reflector Only 9.7 inch high makes the ‘Slim Line’ the shortest 240 volt Gavita fixture ever. Highest light output and maintenance over time. It has the HR96 or W150 reflector for the maximum efficiency and uniformi

Gavita Pro SL 1000e DE 208-240V HR96 Reflector Only 9.7 inch high makes the ‘Slim Line’ the shortest 240 volt Gavita fixture ever. Highest light output and maintenance over time. It has the HR96 or W150 reflector for the maximum efficiency and uniformi

The performance of conductivity probes are affected by use due to residue build up and aging. MA9062 is a lab grade 1382 ppm TDS conductivity solution standard prepared against a NIST traceable potassium chloride solution that allows you to recalibrat

Gavita 8 ft Power Cord 277 Volt for LED The Pro 900e LED is the solution for indoor growing environments where ceiling height and distance from canopy are paramount. Featuring the same performance and 8-bar configuration of our bestselling Pro 1700e LE

Hydro-Logic® Float Valve - 3/8 in This float valve features a 3/8 in quick connect fitting and adjustable water level. Can be mounted vertically or horizontally. Stainless steel and PVC components. This float valve allows you to fill a reservoir or tan

Gro Pro Essential Round Fabric Pot - Black 150 Gallon The Gro Pro® Essential Round Fabric Pots are constructed from high-quality non-woven fabric. This fabric provides great support, while allowing air to travel into the root system. Gro Pro® Essentia

Gro Pro NX Level Pot Elevator - 18.5 in Gro Pro® NX Level® Plant Elevators are specially designed to help raise your fabric or plastic pot out of the bottom of a saucer. This elevates the pot out of potential excess water that gathers in the saucers.

Eye Hortilux® e-Start Metal Halide Lamps Hortilux™ e-Start Metal Halide is a new family of lamps designed for use on electronic/digital ballasts. The starting and operating characteristics of electronic/digital ballasts are different than traditional m

Hortilux MP600LU/HOR/HTL Blue Revolutionizes lighting for plant growth! Exclusive Iwasaki (EYE) chemistry provides levels of red, blue and green spectral energy to optimize plant growth and yield. Designed to provide a fully balanced light spectrum th

What is Z7? Z7 is the biggest technology breakthrough in the last 50 years for growers and the plants they love! Z7 is a super concentrated, two-part, proprietary probiotic enzymatic cleanser. Z7 is not a plant food; it simply allows plant foods to

Sun System 1000 Watt DE Boss Commercial Fixture 277 Volt Sun System® 1000 W DE Boss® Commercial Fixtures combine the patented state-of-the-art DE Boss Optic™ with Sun System® 1 reliability and Etelligent™ controllability. The DE Boss® Comm is designed

Sun System 630 Watt LEC Boss Com 347 Volt w/ 4200 K Lamp The Sun System® 630 watt LEC® Boss Commercial Fixture combines cutting-edge Light Emitting Ceramic® (LEC®) brand technology with Sun System® 1 Etelligent™ controllability options (controller sold

Sun System 630 Watt LEC Boss Com 120-240 Volt w/ 3100 K Lamp The Sun System® 630 watt LEC® Boss Commercial Fixture combines cutting-edge Light Emitting Ceramic® (LEC®) brand technology with Sun System® 1 Etelligent™ controllability options (controller

Sun System LEC 315 - 208 / 240 Volt w/ 3100 K Lamp Sun System® LEC® Brand 315 Watt Light Fixtures utilize cutting edge Light Emitting Ceramic® brand technology. Fixture has 98% reflective German aluminum insert and 95% reflective textured corners for

Ultra Sun HPS 1000 The Ultra Sun® High Pressure Sodium (HPS) lamps have a Kelvin temperature rating of 2000° K which is ideal for the fruiting and flowering stages of plants. It is also an excellent lamp for full-term plant growth. These lamps have be

Gro Pro Essential Round Fabric Pot - Black 200 Gallon The Gro Pro® Essential Round Fabric Pots are constructed from high-quality non-woven fabric. This fabric provides great support, while allowing air to travel into the root system. Gro Pro® Essentia

Shear Perfection® Platinum Stainless Trimming Shear - 2 in Straight Blades The Shear Perfection® Platinum Series Trimming Shear comes with a stainless steel straight 2 in blade. This is a precision shear that gardeners need for tight and close quarter

Jain Irrigation 6 in Holding Stake Hydro Flow® 6 in holding stake works great for securing tubing between 1/8 in-1/4 in.

Down To Earth Oyster Shell - 25 lb Oyster Shell flour is an all-natural source of high-quality calcium that is ground into varying sizes to ensure an immediate and sustained release of this valuable nutrient. Calcium promotes strong root development, i

Grower's Edge Plant Stake Labels White - 20 count Use these plant stake labels to mark the type of seeds that you plant. Each stake is 4 in x 5/8 in.

Hydro Flow Premium Barbed Tee 1 in Use these high quality barbed 1 in connectors for your irrigation systems or hydroponic systems. Feature 4 barbs for a tight fit. Bump stop assures fittings are completely and securely inserted in tubing.