Nutrients and Additives
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GH pH Down Liquid Gallon
General HydroponicsOriginal price $34.16Original price $34.16 - Original price $34.16Original price $34.16Current price $16.13$16.13 - $16.13Current price $16.13The Acid formulation uses food grade Phosphoric acid to lower the pH to the proper level.
Original price $34.16Original price $34.16 - Original price $34.16Original price $34.16Current price $16.13$16.13 - $16.13Current price $16.13 -
Hydroton Original 50 Liter (33-Plt)
American HydroponicsOriginal price $40.76Original price $40.76 - Original price $40.76Original price $40.76Current price $29.62$29.62 - $29.62Current price $29.62The original Hydroton® brand expanded clay is a unique, lightweight expanded clay aggregate made in Germany. This natural clay is mined, formed int...
View full detailsOriginal price $40.76Original price $40.76 - Original price $40.76Original price $40.76Current price $29.62$29.62 - $29.62Current price $29.62 -
Out of Stock
GH Flora Series Performance Pack
General HydroponicsOriginal price $35.99 - Original price $35.99Original price$35.99$35.99 - $35.99Current price $35.99Original price $35.99 - Original price $35.99Original price$35.99$35.99 - $35.99Current price $35.99Out of Stock -
FoxFarm Ocean Forest Organic Potting Soil 1.5 cu ft
FoxFarmOriginal price $26.95Original price $26.95 - Original price $26.95Original price $26.95Current price $17.14$17.14 - $17.14Current price $17.14Ocean Forest® Potting Soil is perfect for containers and is ready to use right out of the bag. Nutrient rich, this mix is a powerful blend of Pacif...
View full detailsOriginal price $26.95Original price $26.95 - Original price $26.95Original price $26.95Current price $17.14$17.14 - $17.14Current price $17.14 -
GH Rapid Rooter 50-Pack Replacement Plugs
General HydroponicsOriginal price $21.62Original price $21.62 - Original price $21.62Original price $21.62Current price $10.26$10.26 - $10.26Current price $10.26Rapid Rooter® plugs are all natural soilless grow plugs made of composted tree bark and organic materials. These plugs are perfect for seedlings or...
View full detailsOriginal price $21.62Original price $21.62 - Original price $21.62Original price $21.62Current price $10.26$10.26 - $10.26Current price $10.26 -
GH pH Control Kit
General HydroponicsOriginal price $21.89Original price $21.89 - Original price $21.89Original price $21.89Current price $10.34$10.34 - $10.34Current price $10.34General Hydroponics® pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial.
Original price $21.89Original price $21.89 - Original price $21.89Original price $21.89Current price $10.34$10.34 - $10.34Current price $10.34 -
Botanicare Cal-Mag Plus Quart
BotanicareOriginal price $25.53Original price $25.53 - Original price $25.53Original price $25.53Current price $12.18$12.18 - $12.18Current price $12.18Cal-Mag™ Plus is a highly fortified calcium, magnesium and iron plant supplement formulated to correct common deficiencies. Supplementing your pref...
View full detailsOriginal price $25.53Original price $25.53 - Original price $25.53Original price $25.53Current price $12.18$12.18 - $12.18Current price $12.18 -
GH pH Down Liquid Quart
General HydroponicsOriginal price $13.70Original price $13.70 - Original price $13.70Original price $13.70Current price $6.48$6.48 - $6.48Current price $6.48The Acid formulation uses food grade Phosphoric acid to lower the pH to the proper level.
Original price $13.70Original price $13.70 - Original price $13.70Original price $13.70Current price $6.48$6.48 - $6.48Current price $6.48 -
GH Flora Bloom Gallon
General HydroponicsOriginal price $40.53Original price $40.53 - Original price $40.53Original price $40.53Current price $19.13$19.13 - $19.13Current price $19.13Stimulates flower and fruit development. Enhances flavor, aroma and essential oils. Provides high Phosphorous, Potassium, Magnesium and Sulfur. Not...
View full detailsOriginal price $40.53Original price $40.53 - Original price $40.53Original price $40.53Current price $19.13$19.13 - $19.13Current price $19.13 -
GH Flora Micro Gallon
General HydroponicsOriginal price $46.43Original price $46.43 - Original price $46.43Original price $46.43Current price $20.69$20.69 - $20.69Current price $20.69The foundation of the building-block system. Provides Nitrogen, Potassium, Calcium and trace elements. Combine with Flora Gro® and Flora Bloom® Not...
View full detailsOriginal price $46.43Original price $46.43 - Original price $46.43Original price $46.43Current price $20.69$20.69 - $20.69Current price $20.69 -
GH pH Up Liquid Gallon
General HydroponicsOriginal price $34.16Original price $34.16 - Original price $34.16Original price $34.16Current price $16.13$16.13 - $16.13Current price $16.13This Base solution is formulated using Potassium Hydroxide and Potassium Carbonate. Add a little at a time when your nutrient pH is too low in orde...
View full detailsOriginal price $34.16Original price $34.16 - Original price $34.16Original price $34.16Current price $16.13$16.13 - $16.13Current price $16.13 -
GH Flora Gro Gallon
General HydroponicsOriginal price $40.53Original price $40.53 - Original price $40.53Original price $40.53Current price $19.13$19.13 - $19.13Current price $19.13Stimulates structural and vegetative growth. Builds strong roots. Provides Nitrogen, Phosphorous, Potassium and secondary minerals. Note: No Return...
View full detailsOriginal price $40.53Original price $40.53 - Original price $40.53Original price $40.53Current price $19.13$19.13 - $19.13Current price $19.13 -
Botanicare LT Tray 3 ft x 3 ft - Black
BotanicareOriginal price $95.96Original price $95.96 - Original price $95.96Original price $95.96Current price $58.99$58.99 - $58.99Current price $58.99Our newly expanded line of Low Tide trays, now offered in black, are a perfect match for growers who need just a little something to put under thei...
View full detailsOriginal price $95.96Original price $95.96 - Original price $95.96Original price $95.96Current price $58.99$58.99 - $58.99Current price $58.99 -
Mother Earth Coco + Perlite Mix 50 Liter
Mother EarthOriginal price $34.67Original price $34.67 - Original price $34.67Original price $34.67Current price $16.82$16.82 - $16.82Current price $16.82Mother Earth® Coco + Perlite Mix is an RHP Certified natural plant growth media that is a great alternative to potting soil and other traditional g...
View full detailsOriginal price $34.67Original price $34.67 - Original price $34.67Original price $34.67Current price $16.82$16.82 - $16.82Current price $16.82 -
Botanicare Hydroguard Quart
BotanicareOriginal price $39.44Original price $39.44 - Original price $39.44Original price $39.44Current price $18.83$18.83 - $18.83Current price $18.83Hydroguard™ is back with a new, clean look and a more powerful, concentrated formula. Hydroguard's reformulation makes it even more effective than ...
View full detailsOriginal price $39.44Original price $39.44 - Original price $39.44Original price $39.44Current price $18.83$18.83 - $18.83Current price $18.83 -
GH Flora Bloom Quart
General HydroponicsOriginal price $15.88Original price $15.88 - Original price $15.88Original price $15.88Current price $7.51$7.51 - $7.51Current price $7.51Stimulates flower and fruit development. Enhances flavor, aroma and essential oils. Provides high Phosphorous, Potassium, Magnesium and Sulfur. Not...
View full detailsOriginal price $15.88Original price $15.88 - Original price $15.88Original price $15.88Current price $7.51$7.51 - $7.51Current price $7.51 -
GH MaxiGro 2.2 lb
General HydroponicsOriginal price $20.69Original price $20.69 - Original price $20.69Original price $20.69Current price $9.72$9.72 - $9.72Current price $9.72MaxiGro and MaxiBloom are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary and micro nutrien...
View full detailsOriginal price $20.69Original price $20.69 - Original price $20.69Original price $20.69Current price $9.72$9.72 - $9.72Current price $9.72 -
GH CALiMAGic Quart
General HydroponicsOriginal price $23.03Original price $23.03 - Original price $23.03Original price $23.03Current price $10.89$10.89 - $10.89Current price $10.89CALiMAGic is a concentrated blend of readily available Calcium and Magnesium. It is formulated to assist fast growing plants by preventing secondar...
View full detailsOriginal price $23.03Original price $23.03 - Original price $23.03Original price $23.03Current price $10.89$10.89 - $10.89Current price $10.89 -
GH Flora Gro Quart
General HydroponicsOriginal price $15.88Original price $15.88 - Original price $15.88Original price $15.88Current price $7.51$7.51 - $7.51Current price $7.51Stimulates structural and vegetative growth. Builds strong roots. Provides Nitrogen, Phosphorous, Potassium and secondary minerals. Note: No Return...
View full detailsOriginal price $15.88Original price $15.88 - Original price $15.88Original price $15.88Current price $7.51$7.51 - $7.51Current price $7.51 -
GH pH Up Liquid Quart
General HydroponicsOriginal price $13.70Original price $13.70 - Original price $13.70Original price $13.70Current price $6.48$6.48 - $6.48Current price $6.48This Base solution is formulated using Potassium Hydroxide and Potassium Carbonate. Add a little at a time when your nutrient pH is too low in orde...
View full detailsOriginal price $13.70Original price $13.70 - Original price $13.70Original price $13.70Current price $6.48$6.48 - $6.48Current price $6.48 -
GH Flora Micro Quart
General HydroponicsOriginal price $20.32Original price $20.32 - Original price $20.32Original price $20.32Current price $9.57$9.57 - $9.57Current price $9.57The foundation of the building-block system. Provides Nitrogen, Potassium, Calcium and trace elements. Combine with Flora Gro® and Flora Bloom®. No...
View full detailsOriginal price $20.32Original price $20.32 - Original price $20.32Original price $20.32Current price $9.57$9.57 - $9.57Current price $9.57 -
Xtreme Gardening Mykos 2.2 lb
Xtreme GardeningOriginal price $34.39Original price $34.39 - Original price $34.39Original price $34.39Current price $19.22$19.22 - $19.22Current price $19.22Mykos is very-specific specie of Mycorrhiza that works faster and stronger. If you haven't heard of mycorrhiza, it's a microbe that builds root mas...
View full detailsOriginal price $34.39Original price $34.39 - Original price $34.39Original price $34.39Current price $19.22$19.22 - $19.22Current price $19.22 -
Out of Stock
Mother Earth Coco Bale 5kg
Mother EarthOriginal price $22.74Original price $22.74 - Original price $22.74Original price $22.74Current price $10.34$10.34 - $10.34Current price $10.34Mother Earth Coco Bale 5kg
Original price $22.74Original price $22.74 - Original price $22.74Original price $22.74Current price $10.34$10.34 - $10.34Current price $10.34Out of Stock -
AN Big Bud ® Mid-Flowering Phase 250mL
Advanced NutrientsOriginal price $7.92Original price $7.92 - Original price $7.92Original price $7.92Current price $7.45$7.45 - $7.45Current price $7.45Watch Your Flowers Get Larger and More Potent. Big Bud is the legendary bloom booster proven worldwide to swell flowers to their maximum potency po...
View full detailsOriginal price $7.92Original price $7.92 - Original price $7.92Original price $7.92Current price $7.45$7.45 - $7.45Current price $7.45 -
Botanicare Cal-Mag Plus 5 Gallon
BotanicareOriginal price $259.60Original price $259.60 - Original price $259.60Original price $259.60Current price $112.67$112.67 - $112.67Current price $112.67Cal-Mag™ Plus is a highly fortified calcium, magnesium and iron plant supplement formulated to correct common deficiencies. Supplementing your pref...
View full detailsOriginal price $259.60Original price $259.60 - Original price $259.60Original price $259.60Current price $112.67$112.67 - $112.67Current price $112.67 -
GH Flora Bloom 6 Gallon
General HydroponicsOriginal price $177.45Original price $177.45 - Original price $177.45Original price $177.45Current price $76.35$76.35 - $76.35Current price $76.35Stimulates flower and fruit development. Enhances flavor, aroma and essential oils. Provides high Phosphorous, Potassium, Magnesium and Sulfur. Not...
View full detailsOriginal price $177.45Original price $177.45 - Original price $177.45Original price $177.45Current price $76.35$76.35 - $76.35Current price $76.35 -
GH Liquid KoolBloom Quart
General HydroponicsOriginal price $29.04Original price $29.04 - Original price $29.04Original price $29.04Current price $13.78$13.78 - $13.78Current price $13.78Liquid KoolBloom® is a is a bulking agent that goes way beyond other bloom boosters. Enriched with stress reducing vitamins and nutrient transporti...
View full detailsOriginal price $29.04Original price $29.04 - Original price $29.04Original price $29.04Current price $13.78$13.78 - $13.78Current price $13.78 -
Botanicare Cal-Mag Plus Gallon
BotanicareOriginal price $63.38Original price $63.38 - Original price $63.38Original price $63.38Current price $30.39$30.39 - $30.39Current price $30.39Cal-Mag™ Plus is a highly fortified calcium, magnesium and iron plant supplement formulated to correct common deficiencies. Supplementing your pref...
View full detailsOriginal price $63.38Original price $63.38 - Original price $63.38Original price $63.38Current price $30.39$30.39 - $30.39Current price $30.39 -
Mother Earth Coarse Perlite - 4 cu ft (36-Plt)
Mother EarthOriginal price $40.56Original price $40.56 - Original price $40.56Original price $40.56Current price $18.10$18.10 - $18.10Current price $18.10Mother Earth Coarse Perlite - 4 cu ft
Original price $40.56Original price $40.56 - Original price $40.56Original price $40.56Current price $18.10$18.10 - $18.10Current price $18.10 -
GH CALiMAGic Gallon
General HydroponicsOriginal price $57.66Original price $57.66 - Original price $57.66Original price $57.66Current price $27.22$27.22 - $27.22Current price $27.22CALiMAGic is a concentrated blend of readily available Calcium and Magnesium. It is formulated to assist fast growing plants by preventing secondar...
View full detailsOriginal price $57.66Original price $57.66 - Original price $57.66Original price $57.66Current price $27.22$27.22 - $27.22Current price $27.22 -
GH Farm Kit
General HydroponicsOriginal price $19.75Original price $19.75 - Original price $19.75Original price $19.75Current price $9.82$9.82 - $9.82Current price $9.82GH Farm Kit
Original price $19.75Original price $19.75 - Original price $19.75Original price $19.75Current price $9.82$9.82 - $9.82Current price $9.82 -
GH Diamond Nectar Quart
General HydroponicsOriginal price $23.65Original price $23.65 - Original price $23.65Original price $23.65Current price $11.17$11.17 - $11.17Current price $11.17Diamond Nectar® accelerates nutrient absorption where mineral foods enter the plant. Diamond Nectar® applies the chelating action of humic acids to...
View full detailsOriginal price $23.65Original price $23.65 - Original price $23.65Original price $23.65Current price $11.17$11.17 - $11.17Current price $11.17 -
GH MaxiBloom 2.2 lb
General HydroponicsOriginal price $20.69Original price $20.69 - Original price $20.69Original price $20.69Current price $9.72$9.72 - $9.72Current price $9.72MaxiGro and MaxiBloom are extremely potent, stand-alone, water-soluble, dry concentrate nutrients. Complete in primary, secondary and micro nutrien...
View full detailsOriginal price $20.69Original price $20.69 - Original price $20.69Original price $20.69Current price $9.72$9.72 - $9.72Current price $9.72 -
GH Rapid Rooter 50 Cell Plug Tray
General HydroponicsOriginal price $29.35Original price $29.35 - Original price $29.35Original price $29.35Current price $13.87$13.87 - $13.87Current price $13.87Rapid Rooter® plugs are all natural soilless grow plugs made of composted tree bark and organic materials. These plugs are perfect for seedlings or...
View full detailsOriginal price $29.35Original price $29.35 - Original price $29.35Original price $29.35Current price $13.87$13.87 - $13.87Current price $13.87 -
GH Armor Si Quart
General HydroponicsOriginal price $20.48Original price $20.48 - Original price $20.48Original price $20.48Current price $9.65$9.65 - $9.65Current price $9.65Armor Si is suitable for all types of plants during all stages of growth. It can be used for plants growing in hydroponics, Coco Coir and all types...
View full detailsOriginal price $20.48Original price $20.48 - Original price $20.48Original price $20.48Current price $9.65$9.65 - $9.65Current price $9.65 -
FoxFarm Nutrient Trio - Soil
FoxFarmOriginal price $69.95Original price $69.95 - Original price $69.95Original price $69.95Current price $49.27$49.27 - $49.27Current price $49.27Trio pack includes Big Bloom®, Grow Big® and Tiger Bloom® together to maximize your growing potential. This convenient quart 3-pack of fertilizers ...
View full detailsOriginal price $69.95Original price $69.95 - Original price $69.95Original price $69.95Current price $49.27$49.27 - $49.27Current price $49.27 -
GH Flora Gro 6 Gallon
General HydroponicsOriginal price $177.45Original price $177.45 - Original price $177.45Original price $177.45Current price $76.35$76.35 - $76.35Current price $76.35Stimulates structural and vegetative growth. Builds strong roots. Provides Nitrogen, Phosphorous, Potassium and secondary minerals. Note: No Return...
View full detailsOriginal price $177.45Original price $177.45 - Original price $177.45Original price $177.45Current price $76.35$76.35 - $76.35Current price $76.35 -
Botanicare Ebb & Flow Fitting Kit w- 2 Extensions
BotanicareOriginal price $8.90Original price $8.90 - Original price $8.90Original price $8.90Current price $4.57$4.57 - $4.57Current price $4.57Interior threads which accept 3/4 in standard pipe thread. Use as ebb and flow fittings and bulkhead fittings. Increased versatility: thread PVC pi...
View full detailsOriginal price $8.90Original price $8.90 - Original price $8.90Original price $8.90Current price $4.57$4.57 - $4.57Current price $4.57 -
GH KoolBloom 2.2 lb
General HydroponicsOriginal price $37.40Original price $37.40 - Original price $37.40Original price $37.40Current price $17.68$17.68 - $17.68Current price $17.68KoolBloom® is a highly concentrated nutrient supplement that promotes abundant flowering and facilitates ripening in annual flowers and herbs. Kool...
View full detailsOriginal price $37.40Original price $37.40 - Original price $37.40Original price $37.40Current price $17.68$17.68 - $17.68Current price $17.68 -
GH Floralicious Plus Quart
General HydroponicsOriginal price $79.56Original price $79.56 - Original price $79.56Original price $79.56Current price $37.71$37.71 - $37.71Current price $37.71Floralicious® Plus is a vegan bio plant stimulator and nutrient additive. It is everything that is Floralicious® except it has been formulated to b...
View full detailsOriginal price $79.56Original price $79.56 - Original price $79.56Original price $79.56Current price $37.71$37.71 - $37.71Current price $37.71 -
GH pH Test Kit 1 oz
General HydroponicsOriginal price $9.59Original price $9.59 - Original price $9.59Original price $9.59Current price $4.55$4.55 - $4.55Current price $4.55General 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 obs...
View full detailsOriginal price $9.59Original price $9.59 - Original price $9.59Original price $9.59Current price $4.55$4.55 - $4.55Current price $4.55 -
Out of Stock
AN Bud Candy 250mL
Advanced NutrientsOriginal price $5.70Original price $5.70 - Original price $5.70Original price $5.70Current price $5.36$5.36 - $5.36Current price $5.36AN Bud Candy 250mL
Original price $5.70Original price $5.70 - Original price $5.70Original price $5.70Current price $5.36$5.36 - $5.36Current price $5.36Out of Stock -
GH Flora Micro 6 Gallon
General HydroponicsOriginal price $215.95Original price $215.95 - Original price $215.95Original price $215.95Current price $92.76$92.76 - $92.76Current price $92.76The foundation of the building-block system. Provides Nitrogen, Potassium, Calcium and trace elements. Combine with Flora Gro® and Flora Bloom®. No...
View full detailsOriginal price $215.95Original price $215.95 - Original price $215.95Original price $215.95Current price $92.76$92.76 - $92.76Current price $92.76 -
Down To Earth Alfalfa Meal - 25 lb
Down To EarthOriginal price $30.61Original price $30.61 - Original price $30.61Original price $30.61Current price $18.35$18.35 - $18.35Current price $18.35Note: No Return or Refund on this product
Original price $30.61Original price $30.61 - Original price $30.61Original price $30.61Current price $18.35$18.35 - $18.35Current price $18.35 -
Out of Stock
GH Cocotek Bale 5 kg
General HydroponicsOriginal price $12.98Original price $12.98 - Original price $12.98Original price $12.98Current price $6.43$6.43 - $6.43Current price $6.43GH Cocotek Bale 5 kg
Original price $12.98Original price $12.98 - Original price $12.98Original price $12.98Current price $6.43$6.43 - $6.43Current price $6.43Out of Stock -
GH pH 7.01 Calibration Solution 8 oz
General HydroponicsOriginal price $9.03Original price $9.03 - Original price $9.03Original price $9.03Current price $4.92$4.92 - $4.92Current price $4.92General Hydroponics® uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl...
View full detailsOriginal price $9.03Original price $9.03 - Original price $9.03Original price $9.03Current price $4.92$4.92 - $4.92Current price $4.92 -
Hydroton Original 10 Liter (140-Plt)
American HydroponicsOriginal price $15.55Original price $15.55 - Original price $15.55Original price $15.55Current price $8.53$8.53 - $8.53Current price $8.53The original Hydroton® brand expanded clay is a unique, lightweight expanded clay aggregate made in Germany. This natural clay is mined, formed int...
View full detailsOriginal price $15.55Original price $15.55 - Original price $15.55Original price $15.55Current price $8.53$8.53 - $8.53Current price $8.53 -
Out of Stock
AN Big Bud ® Mid-Flowering Phase 1L
Advanced NutrientsOriginal price $26.42Original price $26.42 - Original price $26.42Original price $26.42Current price $24.83$24.83 - $24.83Current price $24.83Watch Your Flowers Get Larger and More Potent. Big Bud is the legendary bloom booster proven worldwide to swell flowers to their maximum potency po...
View full detailsOriginal price $26.42Original price $26.42 - Original price $26.42Original price $26.42Current price $24.83$24.83 - $24.83Current price $24.83Out of Stock
Nutrients and Additives and Green Houses Benefits
Nutrition management is at the core of a good hydroponic system as it lacks soil and the natural elements that come with it. It is essential for every grower to understand the basic plant nutrient requirements and provide good hydroponic nutrients on a scheduled basis. Plants usually need 16 different elements in nutrition of which hydrogen, oxygen and carbon are available in air and water. The rest need to be supplied in different ratios. Primary macronutrients are the most important ones that are needed in larger ratios than the rest. They include Nitrogen, Phosphorous and Potassium (NPK). Secondary nutrients are calcium, magnesium and sulphur while micro nutrients include boron, chlorine, copper, iron, manganese. Molybdenum and zinc. Each of the elements has a specific role to play in the plants’ life cycle. Hundreds of cheap hydroponic nutrients are available in the market for growers and Zenhydro discount hydroponics store offers the best nutrients for hydroponics at great prices Some of the popular brands are Advanced Nutrients, General Hydroponic, Botanicare, Roots Organics, CYCO, Humboldt Nutrients, Emerald Harvest, FoxFarm and NPK Industries. Choose the best hydroponic nutrients, the best hydro nutrients and hydroponic additives from Zenhydro hydroponic store.