Quick Order

Use Quick Order to find products across the Custom Hydro catalog. Confirm the exact product, package size and quantity before adding items to your order. Review individual listings whenever you need formulation details, specifications or product-specific purchasing information.

  • Custom Hydro potassium sulfate 0-0-51 fertilizer in a white 20 lb pail with lid and handle, showing the repack label on a white background. Potassium Sulfate 0-0-51 Greenhouse Grade, 20 lb
    Potassium Sulfate 0-0-51 Greenhouse Grade, 20 lb
    Potassium Sulfate 0-0-51 Greenhouse Grade, 20 lb
    $36.26
    $0.00 $36.26
    $1.81 lb
  • Ammonium Sulfate 1 LB Ammonium Sulfate 1 LB
    Ammonium Sulfate 1 LB
    Ammonium Sulfate 1 LB
    $4.75
    $0.00 $4.75
  • Custom Hydro Hydroponic Special 5-11-26 fertilizer in a white 1 lb resealable jar with the Custom Hydro repack label. An example of the Peters Professional Hydroponic Special 5-11-26 soluble fertilizer powder.
    5-11-26 Hydroponic Special fertilizer 1 lb.
    5-11-26 Hydroponic Special fertilizer 1 lb.
    $11.32
    $0.00 $11.32
    $11.32 lb
  • REXOLIN Calcium EDTA fertilizer 55 lb.
    REXOLIN Calcium EDTA fertilizer 55 lb.
    Grower Price
    REXOLIN Calcium EDTA fertilizer 55 lb.
    $392.92
    $545.72 $392.92
    Grower Price
  • MasterBlend 4-18-38 Tomato Formula 4 lb. white screw-top jar with blue and white label on clean white background A closeup view of a small pile of MasterBlend 4-18-38 hydroponic tomato fertilizer powder.
    MasterBlend 4-18-38 Tomato Formula 4 lb.
    MasterBlend 4-18-38 Tomato Formula 4 lb.
    $15.65
    $0.00 $15.65
    $3.91 lb
  • Haifa MAP 12-61-0 fertilizer
    Haifa MAP 12-61-0 fertilizer 55 lb. bag
    Sold out
    Haifa MAP 12-61-0 fertilizer 55 lb. bag
    $62.55
    $104.20 $62.55
    $1.14 lb
    Sold out
  • Custom Hydro calcium nitrate 13-0-0 in a 1 lb white resealable jar, with the product label facing forward on a white background. 13-0-0 Ammonium-Free Calcium Nitrate Fertilizer | 1 lb Jar
    13-0-0 Ammonium-Free Calcium Nitrate Fertilizer | 1 lb...
    Sold out
    13-0-0 Ammonium-Free Calcium Nitrate Fertilizer | 1 lb...
    $2.28
    $0.00 $2.28
    Sold out
  • Solution Grade Gypsum 1 lb ziplock bag — calcium sulfate fertilizer by Custom Hydro Nutrients Calcium Sulfate, Solution Grade GYPSUM 1 lb.
    Solution Grade Gypsum 1 lb. | Calcium Sulfate
    Solution Grade Gypsum 1 lb. | Calcium Sulfate
    $2.75
    $0.00 $2.75
  • Zinc EDTA 14% 8 ounces
    Zinc EDTA 15% 8 ounces
    Zinc EDTA 15% 8 ounces
    $10.75
    $0.00 $10.75
  • Hormodin No. 3
    Hormodin No. 3
    Grower Price
    Hormodin No. 3
    $32.25
    $48.50 $32.25
    Grower Price
  • Zinc Nacional Maximo 360 zinc sulfate powder packaging on a white background Maximo 360 zinc sulfate powder
    Maximo 360 Zinc Sulfate Monohydrate | OMRI 50...
    Maximo 360 Zinc Sulfate Monohydrate | OMRI 50...
    $72.17
    $0.00 $72.17
  • 12" Premium Propagation Dome w/ Vents - 10" x 20" x 12" 12" Premium Propagation Dome w/ Vents - 10" x 20" x 12" on a standard 10x20 tray/flat
    12" Premium Propagation Dome with Vents
    Grower Price
    12" Premium Propagation Dome with Vents
    From $7.97
    $9.95 From $7.97
    Grower Price
  • 5-31-40 POLYPHOSPHATE FERTILIZER 4 lb.
    5-31-40 POLYPHOSPHATE FERTILIZER 4 lb.
    Sold out
    5-31-40 POLYPHOSPHATE FERTILIZER 4 lb.
    $23.90
    $0.00 $23.90
    Sold out
  • VanSil CS-1 wollastonite calcium silicate 20 lb brown kraft cardboard box VanSil Wollastonite Calcium Silicate 20 lb
    VanSil Wollastonite Calcium Silicate 20 lb
    VanSil Wollastonite Calcium Silicate 20 lb
    $18.70
    $0.00 $18.70
    $0.94 lb
  • Ammonium Sulfate 4 LB Ammonium Sulfate 4 LB
    Ammonium Sulfate 4 LB
    Ammonium Sulfate 4 LB
    $7.68
    $0.00 $7.68
  • Source Water Test
    Irrigation Source Water Lab Test
    Irrigation Source Water Lab Test
    $49.00
    $49.00

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