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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Power Si Granular Silica ( 0.9 - 0.8 - 0.8 ) | Stabilized Silica Supplement
Vendor:PowerSiRegular price $175.00 USDRegular priceUnit price / per$250.00 USDSale price $175.00 USDSale -
FoxFarm Open Sesame 5-45-19
Vendor:FoxFarmRegular price From $96.54 USDRegular priceUnit price / perSale price From $96.54 USDFoxFarm Open Sesame 5-45-19
Regular price From $96.54 USDRegular priceUnit price / perSale price From $96.54 USDFoxFarm Open Sesame 5-45-19
Regular price From $96.54 USDRegular priceUnit price / perSale price From $96.54 USD -
Grotek - Monster Bloom - 0-50- 30
Vendor:GrotekRegular price From $1.28 USDRegular priceUnit price / perSale price From $1.28 USDGrotek - Monster Bloom - 0-50- 30
Regular price From $1.28 USDRegular priceUnit price / perSale price From $1.28 USDGrotek - Monster Bloom - 0-50- 30
Regular price From $1.28 USDRegular priceUnit price / perSale price From $1.28 USD -
Green House Powder Feeding - Long Flowering - 18-12-18 - Complete Nutrient
Vendor:Green House Feeding CoRegular price From $26.92 USDRegular priceUnit price / perSale price From $26.92 USDGreen House Powder Feeding - Long Flowering - 18-12-18 - Complete Nutrient
Regular price From $26.92 USDRegular priceUnit price / perSale price From $26.92 USDGreen House Powder Feeding - Long Flowering - 18-12-18 - Complete Nutrient
Regular price From $26.92 USDRegular priceUnit price / perSale price From $26.92 USD -
Athena Pro Balance - 10 lb Box
Vendor:AthenaRegular price $77.00 USDRegular priceUnit price / per$77.00 USDSale price $77.00 USD -
FoxFarm Open Sesame 5-45-19 -- 1 lbs
Vendor:FoxFarmRegular price $51.31 USDRegular priceUnit price / perSale price $51.31 USD -
Grow More Hawaiian Bud
Vendor:Grow MoreRegular price $14.21 USDRegular priceUnit price / perSale price $14.21 USDGrow More Hawaiian Bud
Regular price $14.21 USDRegular priceUnit price / perSale price $14.21 USDGrow More Hawaiian Bud
Regular price $14.21 USDRegular priceUnit price / perSale price $14.21 USD -
Down To Earth Bio-Live
Vendor:Down To EarthRegular price From $16.28 USDRegular priceUnit price / perSale price From $16.28 USDDown To Earth Bio-Live
Regular price From $16.28 USDRegular priceUnit price / perSale price From $16.28 USDDown To Earth Bio-Live
Regular price From $16.28 USDRegular priceUnit price / perSale price From $16.28 USD -
Grotek - Blossom Blaster - 0-48-31
Vendor:GrotekRegular price From $2.22 USDRegular priceUnit price / perSale price From $2.22 USDGrotek - Blossom Blaster - 0-48-31
Regular price From $2.22 USDRegular priceUnit price / perSale price From $2.22 USDGrotek - Blossom Blaster - 0-48-31
Regular price From $2.22 USDRegular priceUnit price / perSale price From $2.22 USD -
BioWorks RootShield Plus+ Granules
Vendor:BioWorks Inc.Regular price From $517.81 USDRegular priceUnit price / perSale price From $517.81 USDBioWorks RootShield Plus+ Granules
Regular price From $517.81 USDRegular priceUnit price / perSale price From $517.81 USDBioWorks RootShield Plus+ Granules
Regular price From $517.81 USDRegular priceUnit price / perSale price From $517.81 USD -
House & Garden Starter Kit Bundle (Hydro)
Vendor:House & GardenRegular price $220.68 USDRegular priceUnit price / perSale price $220.68 USD -
Mad Farmer Mother Of All Bloom 1 kilogram
Vendor:Mad FarmerRegular price $47.55 USDRegular priceUnit price / perSale price $47.55 USD -
ProFarm Marrone Bio Innovations Grandevo WDG Bioinsecticide Miticide OMRI Listed
Vendor:Marrone Bio InnovationsRegular price From $154.99 USDRegular priceUnit price / perSale price From $154.99 USDProFarm Marrone Bio Innovations Grandevo WDG Bioinsecticide Miticide OMRI Listed
Regular price From $154.99 USDRegular priceUnit price / perSale price From $154.99 USDProFarm Marrone Bio Innovations Grandevo WDG Bioinsecticide Miticide OMRI Listed
Regular price From $154.99 USDRegular priceUnit price / perSale price From $154.99 USD -
Sensational Solutions - Micronized Compost Tea - 1 lb
Vendor:Sensational SolutionsRegular price $23.33 USDRegular priceUnit price / perSale price $23.33 USD -
DaKine 420 Nitro Nutrients BASE
Vendor:DaKine 420Regular price From $27.14 USDRegular priceUnit price / perSale price From $27.14 USDDaKine 420 Nitro Nutrients BASE
Regular price From $27.14 USDRegular priceUnit price / perSale price From $27.14 USDDaKine 420 Nitro Nutrients BASE
Regular price From $27.14 USDRegular priceUnit price / perSale price From $27.14 USD -
House & Garden Starter Kit Bundle (Coco)
Vendor:House & GardenRegular price $220.68 USDRegular priceUnit price / perSale price $220.68 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.





