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Emerald Harvest® Cal-Mag 2 - 0 - 0 Keep your plants productive and green with Cal-Mag, a calcium and magnesium supplement from Emerald Harvest®. Containing top-quality ingredients, Cal-Mag is designed to nourish crops with extra calcium and magnesium a
GH KoolBloom Dry 4 oz KoolBloom® is a highly concentrated nutrient supplement that promotes abundant flowering and facilitates ripening in annual flowers and herbs. KoolBloom® is rich with phosphorus and potassium and contains precise amounts of ripen
GH pH Down 8 oz The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level.
GH pH Down Liquid Quart The acid formulation uses food-grade phosphoric acid to lower the pH to the proper level.
GH pH Up Liquid Quart This Base solution is formulated using potassium hydroxide and potassium carbonate. Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level.
GH pH 4.01 Calibration Solution Quart General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics™ technicians check e
GH pH 4.01 Calibration Solution 8 oz General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics™ technicians check ea
GH pH 7.01 Calibration Solution Quart General Hydroponics™ uses the highest-quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics™ technicians check e
GH pH Test Indicator 8 oz General Hydroponics pH Test Kits make pH testing easy. Simply fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator and observe the coloration of the liquid in the test vial. Many experienced growers pre
SUPERthrive Quart SUPERthrive® now includes kelp, which enhances the timeless formula with nutrition from the sea. Just add SUPERthrive® to fertilizer for growth! SUPERthrive®: World Champion activator, reviver, transplanter and grower. SUPERthrive® is
SUPERthrive Pint SUPERthrive® now includes kelp, which enhances the timeless formula with nutrition from the sea. Just add SUPERthrive® to fertilizer for growth! SUPERthrive®: World Champion activator, reviver, transplanter and grower. SUPERthrive® is
Hygrozyme Horticultural Enzymatic Formula 500 ml Hygrozyme® is North America’s #1 concentrated enzyme formula and is an essential addition to any grow system. With over 20 years of medical and horticultural enzyme formulation and production experience
Terpinator 4 Liter Terpinator was created from years of researching naturally occurring plant compounds that are bio-osmotic potentiators. Through our patented scientific process, your plants will utilize these compounds to enhance their production of
Terpinator 1 Liter Terpinator was created from years of researching naturally occurring plant compounds that are bio-osmotic potentiators. Through our patented scientific process, your plants will utilize these compounds to enhance their production of
Ez-Clone Clear Rez Pint EZ-Clone® Clear Rez is a pH balanced, noninvasive water treatment designed to keep all of the internal workings of your cloning system crystal clear and operating at peak performance. It is designed to be used throughout your e
Emerald Harvest Cali Pro Bloom A Quart/0.95 Liter Reach the full genetic potential of your crops with Emerald Harvest® Cali Pro® Bloom A & B and Cali Pro® Grow A & B, our complete 2-part base nutrient series. Cali Pro® is a nitrogen-rich fertilizer th
Emerald Harvest Bloom Quart/0.95 Liter Give your crops what they need when they need it most with Emerald Harvest® Grow, Micro, Bloom 3-part base nutrient series. Grow, Micro, Bloom supplies plants with precise nutrient formulations that deliver the r
Emerald Harvest Micro Quart/0.95 Liter Give your crops what they need when they need it most with Emerald Harvest® Grow, Micro, Bloom 3-part base nutrient series. Grow, Micro, Bloom supplies plants with precise nutrient formulations that deliver the r
AzaMax 4 oz AzaMax™ is a natural product with a broad spectrum of pest control. It contains Azadirachtin A & B as active ingredients and more than 100 limonoids. AzaMax™ does not use hard chemical solvents and fully uses food-grade formulation ingredi
Emerald Harvest Grow Quart/0.95 Liter Give your crops what they need when they need it most with Emerald Harvest® Grow, Micro, Bloom 3-part base nutrient series. Grow, Micro, Bloom supplies plants with precise nutrient formulations that deliver the ri
Mother Earth Subterra Root Booster 0-1-1 Mother Earth Subterra Root Booster 0-1-1 is a liquid plant supplement for transplants and starts. Young plants need strong root systems to reach their full potential as they grow. Mother Earth Subterra Root Boos
Mother Earth Subterra Root Booster 0-1-1 Mother Earth Subterra Root Booster 0-1-1 is a liquid plant supplement for transplants and starts. Young plants need strong root systems to reach their full potential as they grow. Mother Earth Subterra Root Booste
Mother Earth Subterra Root Booster 0-1-1 Mother Earth Subterra Root Booster 0-1-1 is a liquid plant supplement for transplants and starts. Young plants need strong root systems to reach their full potential as they grow. Mother Earth Subterra Root Boos
Mother Earth Floressence Bloom Supplement 1-1-1 Mother Earth Floressence Bloom Supplement 1-1-1 is a liquid plant supplement for flowering and fruiting plants. Bigger, brighter flowers start with heartier, happier plants. Crafted to bring out the best