The Best Hydroponic Nutrients in 2023

The Flora Series is a hydroponic-based nutrient system that helps fulfill your plants’ nutrient needs at every stage of growth

Nutrients included in the Series are FloraMicro, FloraBloom, and FloraGro

FloraMicro: contains nitrogen and calcium, as well as trace minerals, which are essential for a comprehensive hydroponic plant diet

FloraBloom: adds phosphorus, potassium, magnesium, and sulfur to provide nutrients for flower and fruit development

FloraGro: provides additional nitrogen and potassium for structural and foliar growth

Monitor pH up and down, temperature, nutrient (TDS) level in water to maximize your grow and ensure plants get a balanced feed; General uses includes growing tent and reservoir; Selectable conductivity units include TDS, EC, ppm 500, ppm 700 and CF

This hydroponics tester has ATC that provides consistent reading regardless of any fluctuations in temperature; High and low alarm when outside parameters, selectable units include TDS, EC, ppm 500, ppm 700 and CF

Lab quality glass pH probe with easy two point calibration; Conductivity / temperature probe comes factory calibrated so it's ready to be used; Double junction probe is more accurate than test strips and drops

Combine with Bluelab pen and meter for full garden nutrients monitoring in water and soil; Other features: International power supply, water resistant design; KIT INCLUDES: Calibration solution, EC probe and pH probe, probe care kit is sold separately

Made in New Zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment, built for growers; 2-Year Limited Warranty with proof of purchase (6-month warranty for pH probe)

The Flora Series is a hydroponic-based nutrient system that helps fulfill your plants’ nutrient needs at every stage of growth

Nutrients included in the Series are FloraMicro, FloraBloom, and FloraGro

FloraMicro: contains nitrogen and calcium, as well as trace minerals, which are essential for a comprehensive hydroponic plant diet

FloraBloom: adds phosphorus, potassium, magnesium, and sulfur to provide nutrients for flower and fruit development

FloraGro: provides additional nitrogen and potassium for structural and foliar growth

🌱 WORKS IN ALL - Aerogarden models and Smart Garden models as it is a compatible replacement for Aerogarden plant food

🌱 MORE THAN 100 FEEDINGS - 1 quart (32 FL OZ) will provide over 100 feedings of plant nutrients

🌱 ONE PART NUTRIENT SOLUTION - for seed starting, vegetative growth, flowering and fruiting. All in one liquid plant fertilizer

🌱 CAN BE USED FOR - both indoor and outdoor plants and all hydroponic fertilizer applications

🌱 DISPENSER CUP - comes with an EZ to use dispenser cup with ml markings to deliver hydroponics nutrients

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

Monitor pH up and down, temperature, nutrient (TDS) level in water to maximize your grow and ensure plants get a balanced feed; General uses includes growing tent and reservoir; Selectable conductivity units include TDS, EC, ppm 500, ppm 700 and CF

This hydroponics tester has ATC that provides consistent reading regardless of any fluctuations in temperature; High and low alarm when outside parameters, data logging with Bluelab Connect software

Lab quality glass pH probe with easy two pointcalibration; Conductivity / temperature probe comes factory calibrated so it's ready to be used; Double junction probe is more accurate than test strips and drops

Combine with Bluelab pen and meter for full garden nutrients monitoring in soil; Other features: International power supply, water resistant design; KIT INCLUDES: Calibration solution, EC probe and pH probe, probe care kit and connect stick sold separately

Made in New Zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment, built for growers; 2-Year Limited Warranty with proof of purchase (6-month warranty for pH probe)

COMPLETE NUTRIENT AND ADDITIVE SETUP: Our starter kit includes all of the essentials and additives you need to start your growing journey. Pack includes: Grow & Bloom Base A & B, Golden Tree, Flower Stacker, CalMag & Iron, and Plant Enzymes.

MAKES 125-150 GALLONS OF SOLUTION: Enjoy between 125 and 150 gallons of premium-quality nutrient solution to provide proper care and food for potting soil for indoor plants and outdoor plants.

COMPATIBLE IN ALL GROW MEDIUMS: Perfectly suited for use in all growing mediums. Whether it's gravel, sand, coco mix, or hydroponics, Humboldts Secret Starter Kit will help your plants!

MADE WITH THE FINEST INGREDIENTS: All Humboldts Secret products are made with quality ingredients. Our Starter Kit gives you all the essential nutrients as well as some additional supplements to start your growing journey!

MADE IN THE USA: Each one of our Humboldts Secret products is proudly made in the USA using quality ingredients to ensure an optimal indoor and outdoor plant fertilizer.