Organic Phosphorus Fertilizers

  • Fish Bone Meal 4-12-0 Fertilizer 50 lb.

    Bone Meal

    Organic Crops: Boost Yields With Bone Meal Get lush gardens and flourishing...

    Bone Meal

  • Corn Steep Powder 6-7-7

    Reap Greater Harvests With Water-Soluble phosphorus from Ferti-Corn Steep If you want...

    Corn Steep Powder 6-7-7

  • Super Phos Bat Guano 55 lb

    High Phosphorus Guano and Manure

    Organic Guanos For Lasting Fertility Results Enhance your soil with phosphorus-rich organic...

    High Phosphorus Guano and Manure

  • CalPhos POWDER 50 lb.

    Rock Phosphate

    Get Balanced Plant Growth With Organic Soft Rock Phosphate Get your garden...

    Rock Phosphate

  • Super Triple Phosphate 0-46-0 fertilizer 50 lb.

    Super Triple Phosphate 0-46-0

    Maximum Plant Nutrition with Super Triple Phosphate Need a fast-acting fertilizer to...

    Super Triple Phosphate 0-46-0

Give Your Soil the Phosphorus Boost It Needs

Custom Hydro stocks a comprehensive selection of OMRI-listed and naturally derived organic phosphorus fertilizers for farms, gardens, and hydroponic systems. Phosphorus is essential for strong root development, flowering, and fruiting — and our organic sources deliver it without synthetic inputs.

Organic Phosphorus Sources

  • Bone Meal
  • Soft Rock Phosphate
  • Bat Guano (high-phosphorus)
  • Seabird Guano
  • Fish Bone Meal

All products are suitable for certified organic production. Fast nationwide shipping available.

  • Ferti-Corn Steep Powder 6-7-7 Organic NPK - 4 lb Ferti-Corn Steep Powder 6-7-7 Organic NPK - 4 lb
    Ferti-Corn Steep Powder 6-7-7 Organic NPK - 4...
    Ferti-Corn Steep Powder 6-7-7 Organic NPK - 4...
    $19.68
    $0.00 $19.68
    $4.92 lb
  • CalPhos POWDER 50 lb. CalPhos POWDER 50 lb.
    CalPhos POWDER 50 lb.
    Grower Price
    CalPhos POWDER 50 lb.
    $17.99
    $27.00 $17.99
    $0.36 lb
    Grower Price
  • Ferti-Corn Steep Powder 6-7-7 fertilizer 50lb. Ferti-Corn Steep Powder 6-7-7 Organic NPK - 50 lb
    Ferti-Corn Steep Powder 6-7-7 Organic NPK - 50...
    Grower Price
    Ferti-Corn Steep Powder 6-7-7 Organic NPK - 50...
    $139.80
    $210.25 $139.80
    $2.80 lb
    Grower Price
  • Ferti-Corn Steep Powder 6-7-7 fertilizer 20 lb. Ferti-Corn Steep Powder 6-7-7 Organic NPK - 20 lb
    Ferti-Corn Steep Powder 6-7-7 Organic NPK - 20...
    Grower Price
    Ferti-Corn Steep Powder 6-7-7 Organic NPK - 20...
    $71.75
    $100.00 $71.75
    $3.59 lb
    Grower Price
  • Ferti-Corn Steep Powder 6-7-7 Organic NPK - 1 lb Ferti-Corn Steep Powder 6-7-7 Organic NPK - 1 lb
    Ferti-Corn Steep Powder 6-7-7 Organic NPK - 1...
    Ferti-Corn Steep Powder 6-7-7 Organic NPK - 1...
    $9.38
    $0.00 $9.38
    $9.38 lb
  • Fertoz Organic POWDERED Rock Phosphate Fertilizer Fertoz Organic POWDERED Rock Phosphate Fertilizer
    Fertoz Organic POWDERED Rock Phosphate Fertilizer
    Grower Price
    Fertoz Organic POWDERED Rock Phosphate Fertilizer
    $32.04
    $44.50 $32.04
    Grower Price
  • Fish Bone Meal 4-12-0 Fertilizer 50 lb.
    Fish Bone Meal 4-12-0 Fertilizer 50 lb.
    Fish Bone Meal 4-12-0 Fertilizer 50 lb.
    $79.99
    $0.00 $79.99
  • Super Phos Bat Guano 55 lb
    Super Phos Bat Guano 55 lb
    Grower Price
    Super Phos Bat Guano 55 lb
    $79.80
    $119.99 $79.80
    Grower Price
  • Roots Organics Super Phos Rock, 55 lbs
    Roots Organics Super Phos Rock, 55 lbs
    Grower Price
    Roots Organics Super Phos Rock, 55 lbs
    $94.80
    $142.55 $94.80
    Grower Price

Serving Arkansas, Kansas, Missouri and Oklahoma. Shipping Nationwide! Wholesale to the public!