Custom Hydro
Water-wise Hydroponic and Organic Fertilizers
Custom Hydro specializes in providing the purest, fastest dissolving raw fertilizer salts for making custom fertigation, foliar and hydroponic solutions. Looking for organic fertilizers and bio-stimulants? Supercharge your soil and plants, Custom Hydro has the best selection available.
Haifa Hydroponic Fertilizers
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Haifa MKP 0-52-34 Fertilizer 55 lb1 reviewRegular price $74.73Regular priceUnit price $1.36 / per lb$99.00Sale price $74.73Grower Price -
Haifa SOP GG 0-0-51 55 lb.No reviewsRegular price $41.75Regular priceUnit price $0.76 / per lb$60.00Sale price $41.75Grower Price -
Haifa Magnisal Magnesium Nitrate 11-0-0 Fertilizer 50 lb.No reviewsRegular price $36.68Regular priceUnit price $0.73 / per lb
$65.00Sale price $36.68Grower Price -
Haifa Cal Prime 17-0-0 calcium nitrate fertilizer 55...No reviewsRegular price $41.75Regular priceUnit price $0.76 / per lb
$66.00Sale price $41.75Grower Price -
Haifa Multi-K GG Potassium Nitrate 55 lbNo reviewsRegular price $51.27Regular priceUnit price $0.93 / per lb$83.93Sale price $51.27Grower Price -
Haifa BitterMag Magnesium Sulfate 50 lbNo reviewsRegular price $23.36Regular priceUnit price $0.47 / per lb$45.00Sale price $23.36Grower Price -
Haifa Cal GG 15.5-0-0 | 50 lb1 reviewRegular price $32.07Regular priceUnit price $0.64 / per lb$38.00Sale price $32.07Grower Price -
Haifa Multi-K RECI Potassium Nitrate 55 lbNo reviewsRegular price $53.48Regular priceUnit price $0.97 / per lb$82.76Sale price $53.48Grower Price
Shop Hydroponic and Organic Fertilizers
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Hydroponic Fertilizers
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Organic Fertilizers
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Foliar Fertilizers
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Cannabis Fertilizers
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Raw Salts
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Bio-stimulants
What Makes Us Different
At the leading edge of the market, Custom Hydro stands out by providing the growing industry with fertilizers that are not only of premium quality but also feature
innovative solutions tailored for the unique needs of hydroponic and organic farming practices.
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Premium Quality
The Mark of Trusted Quality.
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Highest Purity
Never Compromise on the Quality of Inputs.
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Crop Specific
Customized Fertilizer for your Favorite Crops.
Professional Grade - Wholesale to the Public
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Ferti-Fulvic Plus 90% Fulvic Acid - 4 lb2 reviewsRegular price $32.10Regular priceUnit price $8.03 / per lb
$0.00Sale price $32.10 -
Metalosate Calcium Organic 5 lb.1 reviewRegular price $96.91Regular priceUnit price / per$143.80Sale price $96.91Grower Price -
Ferti-Organic Soluble Seaweed Extract 0-0-14 - 50 lb3 reviewsRegular price $370.90Regular priceUnit price $7.42 / per lb$568.40Sale price $370.90Grower Price -
Ferti-Fulvic Plus 90% Fulvic Acid - 1 lb2 reviewsRegular price $13.81Regular priceUnit price $13.81 / per lb
$0.00Sale price $13.81 -
Ferti-Organic Soluble Fulvic Acid 69% - 1 lbNo reviewsRegular price $13.40Regular priceUnit price $13.40 / per lb
$0.00Sale price $13.40 -
Ferti-Nitro Plus Organic Nitrogen 13.62-0-0 - 50 lbNo reviewsRegular price $322.62Regular priceUnit price $6.45 / per lb$401.80Sale price $322.62Grower Price -
Ferti-Fulvic Plus 90% Fulvic Acid - 50 lb1 reviewRegular price $226.90Regular priceUnit price $4.54 / per lb$383.40Sale price $226.90Grower Price -
Ferti-Nitro Plus Organic Nitrogen 13.62-0-0 - 4 lb2 reviewsRegular price $41.02Regular priceUnit price $10.26 / per lb
$0.00Sale price $41.02 -
Ferti-Organic Soluble Fulvic Acid 69% - 4 lbNo reviewsRegular price $31.15Regular priceUnit price $7.79 / per lb
$0.00Sale price $31.15 -
Ferti-Organic Soluble Fulvic Acid 69% - 50 lb1 reviewRegular price $218.95Regular priceUnit price $4.38 / per lb$304.10Sale price $218.95Grower Price
About us
At Custom Hydro Nutrients, we specialize in providing premium horticultural inputs for professional growers and cultivators worldwide. With decades of combined expertise, we've become the trusted partner for water-wise hydroponic and organic fertilizers that deliver superior results.
Our mission is to equip cultivators—from personal greenhouse operators to large-scale commercial farms—with the highest-quality nutrients and growing solutions. We carry industry-leading brands including Peters Professional, MasterBlend, Haifa, Grodan, Clonex, YaraLiva, FloraPro, and FoxFarm, ensuring you have access to the best products available.
What sets us apart is our commitment to wholesale pricing available to the public. We believe professional-grade products shouldn't be exclusive to large operations. Whether you're optimizing yields in a hydroponic system or cultivating with certified organic inputs, Custom Hydro provides the expertise and products you need to succeed.
We Provide Proven Solutions to Expert Cultivators
Get your preferred mix delivered on a schedule!
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MasterBlend 4-18-38 Tomato Formula 25 lb.6 reviewsRegular price $48.00Regular priceUnit price $1.92 / per lb$72.18Sale price $48.00Grower Price -
MasterBlend 0-20-42 Cannabis Bloom Formula 25 lb.5 reviewsRegular price $46.59Regular priceUnit price $1.86 / per lb$84.25Sale price $46.59Grower Price -
MasterBlend 8-15-36 Lettuce Formula 25 lb.4 reviewsRegular price $63.54Regular priceUnit price $2.54 / per lb$79.30Sale price $63.54Grower Price -
Peters Professional 5-11-26 Hydroponic Special Fertilizer - 25...3 reviewsRegular price $56.07Regular priceUnit price $2.24 / per lb
$84.32Sale price $56.07Grower Price -
JR Croptech Flower Mix 0-21-26 Water Soluble Fertilizer...3 reviewsRegular price $93.10Regular priceUnit price $3.72 / per lb
$135.00Sale price $93.10Grower Price -
5-11-26 Hydroponic Special fertilizer 4 lb.1 reviewRegular price $24.00Regular priceUnit price $6.00 / per lb$50.91Sale price $24.00Grower Price -
JR Croptech Vegetative Mix 9-17-28 Water Soluble Fertilizer...1 reviewRegular price $93.10Regular priceUnit price $3.72 / per lb
$157.50Sale price $93.10Grower Price -
MasterBlend 0-20-42 Cannabis Bloom Formula 4 lb.3 reviewsRegular price $20.98Regular priceUnit price $5.25 / per lb$25.18Sale price $20.98Grower Price
Wireless Greenhouse Monitoring
Sensecap's sensor technology provides an innovative solution for greenhouse owners looking to optimize their greenhouse performance.
How it Works
A gateway is required to connect the sensor network to the internet. It has Ethernet and Cellular capabilities.
The Gateway
A gateway is required to connect the sensor network to the internet. It has Ethernet and Cellular capabilities. Collecting the data from up to 1,000 sensors and forwarding it to the SenseCAP browser based Portal dashboard and the SenseCRAFT moblie app.
SenseCRAFT mobile app
Use the app to bind new devices to the network via bluetooth. Monitor sensor data by the day, week or month. View data graphs and historical measurements. Receive notifications on your mobile phone if a sensor measurement is out of parameters.
SenseCAP Sensors
With a Sensecap Sensor Network, you can keep an eye on the temperature, humidity, CO2, soil moisture (volumetric water content), soil electrical conductivity (bulk EC and pore water EC) and other important factors in your greenhouse or on your farm, allowing you to optimize performance and ensure your plants stay healthy..
Data Subscription
182 days free! Access the SenseCAP LoRaWAN Network, send unlimited messages.Sensor measurements every 5 minutes. Data and device management with 12 months storage. Quick setup via SenseCraft Mate APP. Open API ready for any platform. Basic Support included. $11.88 per sensor, per year after free trial period ends.
Premium Growing Mediums
Get your preferred mix delivered on a schedule!
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Speedy Root 50-Cell Plant Starter Tray with Peat...No reviewsRegular price From $10.80Regular priceUnit price / per$17.99Sale price From $10.80Grower Price -
Sunshine Mix #4 - 3.8 cf compressedNo reviewsRegular price $43.89Regular priceUnit price / per$66.56Sale price $43.89Grower Price -
Riverview Living Soils High Performance Blend | 2...No reviewsRegular price $35.91Regular priceUnit price / per$47.50Sale price $35.91Grower Price -
JR Croptech Coco Grow Bags 1-gallonNo reviewsRegular price From $2.18Regular priceUnit price / per
Sale price From $2.18 -
FibreDust Lay Flat Grow Bag with Coconut Coir...No reviewsRegular price From $5.10Regular priceUnit price / per$5.36Sale price From $5.10Grower Price -
FibreDust 5KG NAKED Coconut Coir BlockNo reviewsRegular price $11.14Regular priceUnit price / per
$9.90Sale price $11.14
Organic
Hydroponics
Premium Quality
Highest Purity
Crop Specific Fertilizers
Wireless
fertilizers
Organic
Hydroponics
Premium Quality
Highest Purity
Crop Specific Fertilizers
Wireless
fertilizers
Customer Reviews
Recent Posts
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Potassium Carbonate as a Hydroponic pH Up Adjus...
Custom HydroA technical breakdown of potassium carbonate and potassium hydroxide as dry pH-up adjusters for hydroponic and fertigation systems — including fertilizer grade chemistry, sesquihydrate vs. anhydrous comparisons, and product selection...
Potassium Carbonate as a Hydropo...
Custom HydroA technical breakdown of potassium carbonate and potassium hydroxide as dry pH-up...
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Why Switching from HPS to LED Increases Water U...
Custom HydroSwitching from HPS to LED lighting significantly increases plant water use efficiency by eliminating infrared-driven leaf heating. Here's what that means for your hydroponic EC program.
Why Switching from HPS to LED In...
Custom HydroSwitching from HPS to LED lighting significantly increases plant water use efficiency...
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AgSil 16h Unavailable? Here’s How to Use AgSil ...
Custom HydroAgSil 16h is temporarily unavailable until late June 2026. Custom Hydro has two proven potassium silicate replacements in stock now: Pro Powders Silica Pro (dry powder, same format as AgSil...
AgSil 16h Unavailable? Here’s Ho...
Custom HydroAgSil 16h is temporarily unavailable until late June 2026. Custom Hydro has...

















