The Best Hydroponic Fertilizer of 2023

General Hydroponics flora series is the original building block nutrient system imitated but never duplicated. Contains complete primary, secondary and micro nutrients for enhanced yields and better crop quality

Users can adjust mixtures to suit specific plant needs. Enhances flavor, nutrition, aroma and essential oils in both hydroponic and soil cultivated plants

Contains highly purified concentrates for maximum solubility

PH balanced for ease of use. NASA and Antarctic research scientists choose flora series -- because of its superior formulation and reliability

2-PART NUTRIENT PACK - Two bottles is all you need from start to finish of your grow cycle! No need for complex nutrient schedules

PRIME NUTRIENT BLEND ensures maximum absorption for your plants - thanks to scientifically formulated Iron (Fe) chelated with DTPA

ULTRA CONCENTRATED - A little ENVY goes a long way; offering Greenhouse Grade nutrients for abundant harvests.

GROW GREEN WITH ENVY to get the best out of your grow's genetics using ENVY's fortified NPK blend for continued quality growth.

HIGH CALCIUM CONTENT 5% (Ca) for strong, tall, hardy plants

MasterBlend 4-18-38 Master Kit (3 Separate Components in correct amounts)

Contains MasterBlend 4-18-38, Calcium Nitrate 15.5-0-0, and Epsom Salt (Magnesium Sulfate)

Used by professionals worldwide for optimum plant growth

100% Water Soluble for easy plant uptake

Packed by weight in a 1/1/0.5 ratio based off the MasterBlend recipe of 12g MB, 12g, CN, and 6g ES

General Hydroponics FloraGro 2-1-6 delivers nutrients for structural and foliar growth

Combine FloraGro 2-1-6 with FloraMicro and FloraBloom to create a nutrient mix tailor-made for your plants and their phase of growth (seedling, cutting, structural, flowering, or fruiting)

Ideal for hydroponic applications and as a nutrient supplement for potted plants

To ensure the best results, always add FloraMicro to fresh water first, stir well, then add FloraGro and/or FloraBloom

Contains an N-P-K of 2-1-6

🌱 LIQUID PLANT FOOD: All-round hydroponic nutrient solution suitable for AeroGardens, NFT, Kratky, Ebb & Flow, Drip systems and more. Easy-measure no-drip bottle. Get it in the system, not all over your hands and the floor.

🌱ALL IN ONE NUTRIENT SOLUTION: Includes a powerful pH stabilizer, which means water chemistry is maintained for longer making it easier for your plants to absorb the nutrients they need.

🌱 SUITABLE FOR AEROGARDEN: This blend works well with Aero Garden, and the back of the bottle contains recommended amounts for all AeroGarden models.

🌱 CHECK OUT THE REVIEWS: Ward writes: 5.0 out of 5 stars. Better than Original. I have refilled my Aero garden with their propriety liquid twice. Took a chance on this brand and my results have been AWESOME! My cilantro and basil both have giant leaves and taste wonderful!!! Thanks so much. All future refills will be through you all.

🌱 VISIT US ON AMAZON: Urban Leaf specializes in beginner-friendly indoor gardening products. Check out our full range by clicking the company name link on the top of this listing.

Grow big Hydro delivers a full spectrum of micro nutrients

This nutrient solution emphasizes the maximum genetic growth; flowering; and fruiting characteristics of each plant

Grow big Hydro set the standard for quality results

CALiMAGic 1-0-0 is a concentrated blend of readily available calcium and magnesium

Prevents secondary nutrient deficiencies in fast growing plants

Helps prevent blossom end rot and tip burn in tomatoes, lettuce, and other calcium intensive plants

Will not clog spray lines or drip emitters and can be used in reservoirs combined with many other fertilizers

Contains an NPK of 1-0-0

MasterBlend 4-18-38 Fertilizer in Bulk

Choose 1, 5, or 25 Pound Quantities

MasterBlend World renowned Hydroponic Vegetable Fertilizer for Peppers and Tomatoes!

Super concentrated and easy to use!

MasterBlend is 100% water soluble, and contains all the trace minerals needed!