Water Soluble Nitrogen

Unlocking Optimum Growth with Water-Soluble Nitrogen Fertilizers

Experience unparalleled growth with our pure water-soluble fertilizers designed specifically for fertigation, foliar, and hydroponic solutions. Custom Hydro has a full selection of top-quality fertilizers, including PureCal calcium nitrate, Haifa RECI potassium nitrate, WeGrow monoammonium phosphate, and SoluGreen ammonium sulfate. Improve your yields like never before.

100% water-soluble
Perfectly suited for fertigation and foliar applications
Ideal for use in hydroponic solutions

MAGNIFIC 11-0-0 Magnesium Nitrate Fertilizer 55 lb.

MAGNIFIC 11-0-0 Magnesium Nitrate Fertilizer 55 lb.

$47.56

Out of stock

Monoammonium Phosphate 12-61-0 fertilizer 1 lb.

Monoammonium Phosphate 12-61-0 fertilizer 1 lb.

$10.92

In Stock.

Monoammonium Phosphate 12-61-0 fertilizer 4 lb.

Monoammonium Phosphate 12-61-0 fertilizer 4 lb.

$20.96

In Stock.

Monoammonium Phosphate 12-61-0 fertilizer 20 lb.

Monoammonium Phosphate 12-61-0 fertilizer 20 lb.

$75.13

In Stock.

Monoammonium Phosphate fertilizer 40 lb.

Monoammonium Phosphate fertilizer 40 lb.

$110.00

Out of stock

NovaMAP 12-61-0 fertilizer 55 lb.

NovaMAP 12-61-0 fertilizer 55 lb.

$155.00

Out of stock.

SoluGreen Ammonium Sulfate 21-0-0 fertilizer 50 lb.

SoluGreen Ammonium Sulfate 21-0-0 fertilizer 50 lb.

$35.75

In Stock.

Ammonium Sulfate 1 LB

Ammonium Sulfate 1 LB

$4.75

In Stock.

Ammonium Sulfate 4 LB

Ammonium Sulfate 4 LB

$7.68

In Stock.

Ammonium Sulfate 20 LB

(1)

Ammonium Sulfate 20 LB

$18.75

In Stock.

Calcium Nitrate Greenhouse Grade 1 lb.

(1)

Calcium Nitrate Greenhouse Grade 1 lb.

$5.00

In Stock.

Calcium Nitrate Greenhouse Grade 20 lb.

(1)

Calcium Nitrate Greenhouse Grade 20 lb.

$26.25

In Stock.

Calcium Nitrate Greenhouse Grade 40 lb.

Calcium Nitrate Greenhouse Grade 40 lb.

$39.20

In Stock.

YaraLiva CalciNit calcium nitrate 50 lb.

(1)

YaraLiva CalciNit calcium nitrate 50 lb.

$40.33

In Stock.

Calcium Nitrate Greenhouse Grade 4 lb.

Calcium Nitrate Greenhouse Grade 4 lb.

$6.50

In Stock.

Hi-Yield Calcium Nitrate 4 lb.

Hi-Yield Calcium Nitrate 4 lb.

$13.92

In Stock.

YaraLiva CALCINIT Greenhouse/Solution Grade full pallet

YaraLiva CALCINIT Greenhouse/Solution Grade full pallet

$1,877.19

In Stock.

Ferti-Nitro Plus 1 lb.

Ferti-Nitro Plus 1 lb.

$16.22

In Stock.

Ferti-Nitro Plus 4 lb.

(1)

Ferti-Nitro Plus 4 lb.

$41.02

In Stock.

Ferti-Nitro Plus 20 lb.

Ferti-Nitro Plus 20 lb.

$162.50

In Stock.

Ferti-Nitro Plus 13.62-0-0 Organic Fertilizer 50 lb.

Ferti-Nitro Plus 13.62-0-0 Organic Fertilizer 50 lb.

$280.10

Temporary Back Order

Potassium Nitrate 1 lb.

Potassium Nitrate 1 lb.

$8.50

In Stock.

Potassium Nitrate 20 lb.

Potassium Nitrate 20 lb.

$36.60

In Stock.

Potassium Nitrate 4 lb.

(1)

Potassium Nitrate 4 lb.

$15.00

In Stock.

UltraSol K Plus Potassium Nitrate 50 lb.

UltraSol K Plus Potassium Nitrate 50 lb.

$68.77

Out of Stock.

Potassium Nitrate fertilizer 50 lb. bucket

Potassium Nitrate fertilizer 50 lb. bucket

$91.59

In Stock.

Urea46-0-0 with low biuret (0.5% max) 1 lb.

Urea46-0-0 with low biuret (0.5% max) 1 lb.

$12.69

In Stock.

Urea 46-0-0 fertilizer low biuret 50 lb.

Urea 46-0-0 fertilizer low biuret 50 lb.

$39.27

In Stock.

Urea 46-0-0 with low biuret (0.5% max) 20 lb.

Urea 46-0-0 with low biuret (0.5% max) 20 lb.

$39.90

In Stock.

Haifa GrowClean 5-31-40 polyphosphate fertilizer 55 lb.

Haifa GrowClean 5-31-40 polyphosphate fertilizer 55 lb.

$129.05

In Stock.

5-31-40 POLYPHOSPHATE FERTILIZER 1 lb.

5-31-40 POLYPHOSPHATE FERTILIZER 1 lb.

$13.92

In Stock.

5-31-40 POLYPHOSPHATE FERTILIZER 4 lb.

5-31-40 POLYPHOSPHATE FERTILIZER 4 lb.

$23.90

In Stock.

5-31-40 POLYPHOSPHATE FERTILIZER 20 lb.

5-31-40 POLYPHOSPHATE FERTILIZER 20 lb.

$68.06

In Stock.

PureCal 13-0-0 ammonium free calcium nitrate 55 lb.

PureCal 13-0-0 ammonium free calcium nitrate 55 lb.

$45.36

In Stock.

13-0-0 Calcium Nitrate Fertilizer (ammonium free) 1 lb.

13-0-0 Calcium Nitrate Fertilizer (ammonium free) 1 lb.

$5.60

In Stock.

13-0-0 Calcium Nitrate Fertilizer (ammonium free) 20 lb.

(1)

13-0-0 Calcium Nitrate Fertilizer (ammonium free) 20 lb.

$29.82

In Stock.

13-0-0 Calcium Nitrate Fertilizer (ammonium free) 4 lb.

13-0-0 Calcium Nitrate Fertilizer (ammonium free) 4 lb.

$9.82

In Stock.

Agrihusta ORGANIC 3-0-9 Potassium-Nitrate fertilizer (5 GAL)

Agrihusta ORGANIC 3-0-9 Potassium-Nitrate fertilizer (5 GAL)

~~$90.75~~ $75.00 Sale

In Stock.

AGRIHUSTA LIQUID CALCIUM-NITRATE FERTILIZER NPK 3-0-0 +Ca (5 GAL)

AGRIHUSTA LIQUID CALCIUM-NITRATE FERTILIZER NPK 3-0-0 +Ca (5 GAL)

$95.00

Special Order Item, contact us for a quote.

WeGrow MAP 12-61-0 fertilizer 50 lb.

WeGrow MAP 12-61-0 fertilizer 50 lb.

$111.25

In Stock.

13-0-0 Calcium Nitrate Fertilizer (ammonium free) 40 lb.

13-0-0 Calcium Nitrate Fertilizer (ammonium free) 40 lb.

$40.10

In Stock.

Eagle Pure refined 13-0-0 ammonium free calcium nitrate 50 lb.

Eagle Pure refined 13-0-0 ammonium free calcium nitrate 50 lb.

$66.00

Special Order Item, contact us for a quote.

Haifa MAP 12-61-0 fertilizer 50 lb. bag

Haifa MAP 12-61-0 fertilizer 50 lb. bag

$69.29

In Stock.

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