Powder + Water Soluble
Boost performance with Powder + Water Soluble nutrients at GrowersHouse. Our highly soluble hydroponic powders and water soluble fertilizers deliver precise, fast-acting nutrition for greenhouses, indoor farms, and vertical growing systems.
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RAW Cane Molasses/Carbohydrates 0-0-1 - 8 oz
Vendor:NPK IndustriesRegular price $16.29 USDRegular priceUnit price / perSale price $16.29 USD -
RAW Grow All-In-One Nutrient 7-4-5 -- 10 lb
Vendor:NPK IndustriesRegular price $214.29 USDRegular priceUnit price / perSale price $214.29 USD -
RAW Grow All-In-One Nutrient 7-4-5 -- 8 oz
Vendor:NPK IndustriesRegular price $21.10 USDRegular priceUnit price / perSale price $21.10 USD -
GreenGro FLOWER FINISHER
Vendor:GreenGro BiologicalsRegular price From $56.63 USDRegular priceUnit price / perSale price From $56.63 USDGreenGro FLOWER FINISHER
Regular price From $56.63 USDRegular priceUnit price / perSale price From $56.63 USDGreenGro FLOWER FINISHER
Regular price From $56.63 USDRegular priceUnit price / perSale price From $56.63 USD -
GreenGro HYBRID VEG 12-12-12
Vendor:GreenGro BiologicalsRegular price From $27.60 USDRegular priceUnit price / perSale price From $27.60 USDGreenGro HYBRID VEG 12-12-12
Regular price From $27.60 USDRegular priceUnit price / perSale price From $27.60 USDGreenGro HYBRID VEG 12-12-12
Regular price From $27.60 USDRegular priceUnit price / perSale price From $27.60 USD -
GreenGro PRIDE LANDS VEG
Vendor:GreenGro BiologicalsRegular price From $18.35 USDRegular priceUnit price / perSale price From $18.35 USDGreenGro PRIDE LANDS VEG
Regular price From $18.35 USDRegular priceUnit price / perSale price From $18.35 USDGreenGro PRIDE LANDS VEG
Regular price From $18.35 USDRegular priceUnit price / perSale price From $18.35 USD -
GreenGro GREEN AMINOS
Vendor:GreenGro BiologicalsRegular price From $35.35 USDRegular priceUnit price / perSale price From $35.35 USDGreenGro GREEN AMINOS
Regular price From $35.35 USDRegular priceUnit price / perSale price From $35.35 USDGreenGro GREEN AMINOS
Regular price From $35.35 USDRegular priceUnit price / perSale price From $35.35 USD -
GreenGro NATURE'S BRIX
Vendor:GreenGro BiologicalsRegular price From $26.80 USDRegular priceUnit price / perSale price From $26.80 USDGreenGro NATURE'S BRIX
Regular price From $26.80 USDRegular priceUnit price / perSale price From $26.80 USDGreenGro NATURE'S BRIX
Regular price From $26.80 USDRegular priceUnit price / perSale price From $26.80 USD -
GreenGro PRIDE LANDS BLOOM
Vendor:GreenGro BiologicalsRegular price From $18.35 USDRegular priceUnit price / perSale price From $18.35 USDGreenGro PRIDE LANDS BLOOM
Regular price From $18.35 USDRegular priceUnit price / perSale price From $18.35 USDGreenGro PRIDE LANDS BLOOM
Regular price From $18.35 USDRegular priceUnit price / perSale price From $18.35 USD -
Ventana Plant Science | Commercial Kit (Bloom - Calcium Nitrate - Magnesium Sulfate) | 5lb
Vendor:Ventana Plant ScienceRegular price $66.75 USDRegular priceUnit price / perSale price $66.75 USD -
BioAg Ful-Humix 1 Kg | Humic Acid
Vendor:BioAgRegular price $34.26 USDRegular priceUnit price / perSale price $34.26 USD -
Roots Organics Seabird 0-12-0 | 40 lb Guano Powder
Vendor:Aurora InnovationsRegular price $58.45 USDRegular priceUnit price / perSale price $58.45 USD -
Jack's® Nutrients 15-0-0 Calcium Nitrate Part B - 25lb BAG (without micronutrients)
Vendor:JACKS NUTRIENTSRegular price $47.63 USDRegular priceUnit price / perSale price $47.63 USD -
Powder Feeding - Grow - 500 gram
Vendor:Green House Feeding CoRegular price $17.50 USDRegular priceUnit price / perSale price $17.50 USD -
BioAg TM-7 300 g | Humic Acid & Micronutrients | Case of 12
Vendor:BioAgRegular price $169.99 USDRegular priceUnit price / perSale price $169.99 USD -
Roots Organics Elemental 0.25 - 0 - 0.1 | 3lb Cal-Mag for Hydroponics
Vendor:Aurora InnovationsRegular price $22.64 USDRegular priceUnit price / perSale price $22.64 USD
Powder + Water Soluble
Nutrients for Hydroponics & CEA
At GrowersHouse, our Powder + Water Soluble collection gives growers precise, fast-acting nutrition in a clean, easy-to-mix format. These highly soluble nutrient powders and water soluble fertilizers are designed for greenhouses, indoor farms, hydroponic systems, and vertical growing, helping you maintain stable EC/PPM and consistent crop quality...
Why Growers Choose Powder + Water Soluble Nutrients
Powder and water soluble nutrients dissolve quickly, store efficiently, and make it simple to dial in feeding strength by crop and stage. Their high concentration reduces cost per gallon, while clean formulations help keep lines, emitters, and reservoirs free from heavy buildup so plants can focus on growth instead of stress.
How This Collection Helps in Controlled Environments
In controlled environment agriculture, small changes in nutrition can have a big impact on yield. These nutrients let you fine-tune recipes for seedlings, veg, and finishing crops, support strong roots and vigorous foliage, and respond quickly to plant feedback by adjusting EC/PPM. The result is more uniform canopies, predictable performance, and repeatable harvests.
Types of Powder + Water Soluble Nutrients
Inside this collection you will find complete base formulas, single-salt building blocks, and targeted soluble additives. Base programs supply balanced NPK plus essential calcium, magnesium, and chelated micronutrients, while specialty products provide focused PK support, micronutrient top-ups, or adjustments for different water sources and crop demands.
Frequently Asked Questions
Can I use water soluble fertilizer in hydroponics?
Yes. Many water soluble fertilizers are formulated specifically for hydroponics and fertigation. As long as they are fully soluble and mixed thoroughly, they move cleanly through reservoirs and irrigation lines, giving roots quick access to balanced nutrition.
Are powder nutrients better than liquid?
Powder nutrients are more concentrated and cost-efficient to ship and store, and they are ideal for building stock solutions in larger or multi-room facilities. Liquid nutrients are convenient for smaller setups or quick tweaks. Most growers choose the format that best fits their workflow, budget, and scale.
Can I use both liquid and granular fertilizer at the same time?
You can combine liquid and powder nutrients if the overall program remains balanced and compatible. Use one system as your main base feed and add only a few supporting products, watching EC/PPM and plant response closely to avoid overfeeding or element overlap.
Which fertilizer can quickly dissolve in water and be used by plants immediately?
Fine, fully water soluble powders and true water soluble fertilizers are designed to dissolve rapidly and stay in solution. When mixed correctly and kept within recommended EC/PPM ranges, they become available to roots quickly, helping plants respond fast with healthier growth and color.














