MasterBlend Hydroponic Fertilizers

MasterBlend is the professional standard in water-soluble hydroponic fertilizers, trusted by commercial greenhouse growers, vertical farms, and serious hobbyists worldwide. Manufactured with only the highest technical-grade nutrients, MasterBlend delivers precise, consistent nutrition for every crop and every system.

Why MasterBlend?

  • Technical-grade purity — no fillers, no impurities, maximum nutrient availability
  • Complete 3-part system — 4-18-38 base, calcium nitrate, and magnesium sulfate work together for a fully balanced feed
  • Proven in commercial production — used in large-scale tomato, lettuce, pepper, strawberry, and specialty crop operations
  • Compatible with all systems — drip, NFT, DWC, ebb & flow, and continuous liquid feed (fertigation)
  • Precise EC and pH control — clean formulation makes dialing in your nutrient solution straightforward

Applications

Ideal for tomatoes, lettuce, peppers, strawberries, herbs, specialty crop, hemp, and all hydroponic and greenhouse crops. Suitable for commercial fertigation programs and home hydroponic setups alike.

  • YaraLiva CalciNit 15.5-0-0 | 50 lb YaraLiva CalciNit 15.5-0-0 | 50 lb
    YaraLiva CalciNit 15.5-0-0 | 50 lb
    Grower Price
    YaraLiva CalciNit 15.5-0-0 | 50 lb
    $37.25
    $56.02 $37.25
    $0.75 lb
    Grower Price
  • MasterBlend 4-18-38 Tomato Formula 25 lb. A closeup view of a small pile of MasterBlend 4-18-38 hydroponic tomato fertilizer powder.
    MasterBlend 4-18-38 Tomato Formula 25 lb.
    Grower Price
    MasterBlend 4-18-38 Tomato Formula 25 lb.
    $48.00
    $72.18 $48.00
    $1.92 lb
    Grower Price
  • MasterBlend 0-12-24 Bloom Formula 25 lb. A closeup view of MasterBlend 0-20-42 Cannabis Bloom, a free flowing non-clumping powder fertilizer.
    MasterBlend 0-20-42 Bloom Formula 25 lb.
    Grower Price
    MasterBlend 0-20-42 Bloom Formula 25 lb.
    $46.59
    $84.25 $46.59
    $1.86 lb
    Grower Price
  • MasterBlend 8-15-36 Lettuce Formula 25 lb water-soluble hydroponic fertilizer bag Masterblend fertilizer container in a greenhouse with rows of lettuce plants
    MasterBlend 8-15-36 Lettuce Formula 25 lb.
    Grower Price
    MasterBlend 8-15-36 Lettuce Formula 25 lb.
    $63.54
    $79.30 $63.54
    $2.54 lb
    Grower Price
  • PureCal 13-0-0 ammonia free calcium nitrate 55 lb. PureCal 13-0-0 Calcium Nitrate | 55 lb Bag
    PureCal 13-0-0 Calcium Nitrate | 55 lb Bag
    Sold out
    PureCal 13-0-0 Calcium Nitrate | 55 lb Bag
    $40.77
    $66.00 $40.77
    $0.74 lb
    Sold out
  • Cannabis Bloom Formula 0-20-42 fertilizer 4lb.
    MasterBlend 0-20-42 Bloom Formula 4 lb.
    Grower Price
    MasterBlend 0-20-42 Bloom Formula 4 lb.
    $20.98
    $25.18 $20.98
    $5.25 lb
    Grower Price
  • Bloom Formula 0-20-42 fertilizer 1 lb.
    MasterBlend 0-20-42 Bloom Formula 1 lb.
    Grower Price
    MasterBlend 0-20-42 Bloom Formula 1 lb.
    $8.52
    $16.99 $8.52
    $8.52 lb
    Grower Price
  • Tomato Special 4-18-38 fertilizer, 4 lb. MasterBlend 4-18-38 Tomato Formula 4 lb.
    MasterBlend 4-18-38 Tomato Formula 4 lb.
    MasterBlend 4-18-38 Tomato Formula 4 lb.
    $15.65
    $0.00 $15.65
  • MasterBlend 9-12-34 Strawberry Formula 25 lb. MasterBlend 9-12-34 Strawberry Formula 25 lb.
    MasterBlend 9-12-34 Strawberry Formula 25 lb.
    Grower Price
    MasterBlend 9-12-34 Strawberry Formula 25 lb.
    $42.23
    $50.88 $42.23
    $1.69 lb
    Grower Price
  • Tomato Special 4-18-38 fertilizer 1 lb. MasterBlend 4-18-38 Tomato Formula 1 lb.
    MasterBlend 4-18-38 Tomato Formula 1 lb.
    MasterBlend 4-18-38 Tomato Formula 1 lb.
    $6.95
    $0.00 $6.95

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