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.

  • Calcium Chloride fertilizer 50 lb. Calcium Chloride fertilizer 50 lb.
    Calcium Chloride fertilizer 50 lb.
    Grower Price
    Calcium Chloride fertilizer 50 lb.
    $36.02
    $43.40 $36.02
    $0.72 lb
    Grower Price
  • Metalosate Calcium Organic 5 lb. Metalosate Calcium Organic 5 lb.
    Metalosate Calcium Organic 5 lb.
    Grower Price
    Metalosate Calcium Organic 5 lb.
    $96.91
    $143.80 $96.91
    Grower Price
  • Calcium Chloride fertilizer 4 lb.
    Calcium Chloride fertilizer 4 lb.
    Calcium Chloride fertilizer 4 lb.
    $14.00
    $0.00 $14.00
    $3.50 lb
  • Metalosate MultiMineral Organic 5 lb amino acid chelated foliar fertilizer jug USDA organic Metalosate Multimineral fertilizer packaging with images of fruits and vegetables on a white background
    Metalosate MultiMineral Organic 5 lb.
    Grower Price
    Metalosate MultiMineral Organic 5 lb.
    $100.70
    $151.42 $100.70
    $20.14 lb
    Grower Price
  • Calcium Nitrate Greenhouse Grade 20 lb. Calcium Nitrate 15.5-0-0 | 20 lb
    Calcium Nitrate 15.5-0-0 | 20 lb
    Grower Price
    Calcium Nitrate 15.5-0-0 | 20 lb
    $20.55
    $30.49 $20.55
    $1.03 lb
    Grower Price
  • Calcium Chloride fertilizer 20 lb.
    Calcium Chloride fertilizer 20 lb.
    Calcium Chloride fertilizer 20 lb.
    $24.64
    $0.00 $24.64
    $1.23 lb
  • Metalosate Calcium Boron Organic 5 lb. Metalosate Calcium Boron Organic 5 lb.
    Metalosate Calcium Boron Organic 5 lb.
    Grower Price
    Metalosate Calcium Boron Organic 5 lb.
    $96.91
    $143.80 $96.91
    Grower Price
  • Calcium Nitrate Greenhouse Grade 1 lb. Calcium Nitrate 15.5-0-0 | 1 lb
    Calcium Nitrate 15.5-0-0 | 1 lb
    Calcium Nitrate 15.5-0-0 | 1 lb
    $2.26
    $0.00 $2.26
    $2.26 lb
  • Haifa Cal Prime 17-0-0 calcium nitrate fertilizer 55 lb. Haifa Cal Prime 17-0-0 calcium nitrate fertilizer 55 lb.
    Haifa Cal Prime 17-0-0 calcium nitrate fertilizer 55...
    Grower Price
    Haifa Cal Prime 17-0-0 calcium nitrate fertilizer 55...
    $41.75
    $66.00 $41.75
    $0.76 lb
    Grower Price
  • Calcium EDTA chelated 9.7% 4 lb. Calcium EDTA chelated 9.7% 4 lb.
    Calcium EDTA chelated 9.7% 4 lb.
    Calcium EDTA chelated 9.7% 4 lb.
    $42.00
    $0.00 $42.00
  • Calcium EDTA chelated 9.7% 1 lb.
    Calcium EDTA chelated 9.7% 1 lb.
    Calcium EDTA chelated 9.7% 1 lb.
    $12.26
    $0.00 $12.26
  • 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
  • Calcium Chloride fertilizer 1 lb.
    Calcium Chloride fertilizer 1 lb.
    Calcium Chloride fertilizer 1 lb.
    $7.04
    $0.00 $7.04
  • Haifa Cal Prime 20 lb.
    Haifa Cal Prime 20 lb.
    Grower Price
    Haifa Cal Prime 20 lb.
    $38.00
    $45.80 $38.00
    Grower Price
  • Haifa Cal Prime 4 lb.
    Haifa Cal Prime 4 lb.
    Grower Price
    Haifa Cal Prime 4 lb.
    $17.45
    $24.44 $17.45
    Grower Price
  • 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

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