Calcium Foliar Fertilizers

  • Biomin Calcium

    BIOMIN CALCIUM is a bioavailable plant nutrient. BIOMIN CALCIUM is created using...

    Biomin Calcium

    BIOMIN CALCIUM is a bioavailable plant nutrient. BIOMIN CALCIUM is created using...

  • Calcium Nitrate Greenhouse Grade 20 lb.

    Calcium Nitrate

    Calcium Nitrate Fertilizers for Hydroponics & Commercial Greenhouse Production Calcium nitrate is...

    Calcium Nitrate

  • FOLI-CAL pint

    FOLI-CAL

    FOLI-CAL

  • Metalosate Calcium Organic Powder

    Metalosate® Calcium is an amino acid chelated calcium fertilizer formulated for foliar...

    Metalosate Calcium Organic Powder

  • Calcium EDTA chelated 9.7% 4 lb.

    Rexolin Calcium EDTA Chelate

    Rexolin Calcium EDTA Chelate

Prevent Calcium Deficiency with Fast-Acting Foliar Applications

Custom Hydro stocks a curated selection of calcium foliar fertilizers for farms, orchards, and gardens. Calcium is essential for cell wall integrity and is immobile in the plant — foliar application is the fastest way to correct deficiency and prevent disorders like blossom end rot, tip burn, and fruit cracking.

Calcium Foliar Sources

  • Amino Acid Chelated Calcium — high absorption, low-burn foliar option
  • Calcium Nitrate — dual N + Ca source, fast-acting
  • Calcium Chloride — economical option for fruit quality programs

Fast nationwide shipping available. OMRI-listed options in stock.

  • Metalosate Calcium Soluble Powder 44 lb. BAG Metalosate Calcium Soluble Powder 44 lb.
    Metalosate Calcium Amino Acid Complex Foliar Fertilizer 18%...
    Grower Price
    Metalosate Calcium Amino Acid Complex Foliar Fertilizer 18%...
    $804.65
    $1,004.30 $804.65
    Grower Price
  • Haifa Cal Prime 17-0-0 calcium nitrate 1 lb white plastic jar — 23.5% Ca, for foliar spray and fertigation Haifa Cal Prime 1 lb.
    Haifa Cal Prime 1 lb.
    Grower Price
    Haifa Cal Prime 1 lb.
    $8.44
    $11.25 $8.44
    $8.44 lb
    Grower Price
  • Calcium Thiosulfate Fertilizer | 6% Ca 10% S Calcium Thiosulfate Fertilizer | 6% Ca 10% S
    Calcium Thiosulfate Fertilizer | 6% Ca 10% S
    Grower Price
    Calcium Thiosulfate Fertilizer | 6% Ca 10% S
    $101.13
    $140.50 $101.13
    Grower Price
  • Metalosate MultiMineral Soluble Powder 44 lb. BAG Metalosate MultiMineral Soluble Powder 44 lb.
    Metalosate MultiMineral Soluble Powder 44 lb.
    Grower Price
    Metalosate MultiMineral Soluble Powder 44 lb.
    $848.54
    $1,059.08 $848.54
    Grower Price
  • Calcium EDTA chelated 9.7% 20 lb. Calcium EDTA chelated 9.7% 20 lb.
    Calcium EDTA chelated 9.7% 20 lb.
    Calcium EDTA chelated 9.7% 20 lb.
    $182.20
    $0.00 $182.20
  • Biomin Calcium Gallon
    Biomin Calcium Gallon
    Grower Price
    Biomin Calcium Gallon
    $39.00
    $39.25 $39.00
    Grower Price
  • Biomin Calcium Qt Biomin Calcium Qt
    Biomin Calcium Qt
    Grower Price
    Biomin Calcium Qt
    $15.10
    $24.00 $15.10
    Grower Price
  • Hi-Yield Calcium Nitrate 4 lb.
    Hi-Yield Calcium Nitrate | 4 lb
    Hi-Yield Calcium Nitrate | 4 lb
    $13.92
    $0.00 $13.92
  • Biomin Calcium 2.5 gallon
    Biomin Calcium 2.5 gallon
    Biomin Calcium 2.5 gallon
    $85.25
    $0.00 $85.25
  • Haifa Cal Prime 17-0-0 calcium nitrate 44 lb white plastic bucket — 23.5% Ca, for foliar spray and fertigation Haifa Cal Prime 44 lb.(20 kg)
    Haifa Cal Prime 44 lb.(20 kg)
    Haifa Cal Prime 44 lb.(20 kg)
    $72.35
    $0.00 $72.35
    $1.64 lb

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