Potassium Carbonate

Potassium carbonate sesquihydrate (K₂CO₃·1.5H₂O) is a fertilizer-grade, fully water-soluble dry pH-up agent supplying 57% soluble potash (K₂O). Available in 1, 4, 20, and 50 lb. sizes for hydroponic and fertigation applications.

  • Potassium Carbonate 50lb.
    DCAD Plus Potassium Carbonate 0-0-57 | 50 lb
    Grower Price
    DCAD Plus Potassium Carbonate 0-0-57 | 50 lb
    $96.43
    $120.35 $96.43
    $1.93 lb
    Grower Price
  • Potassium Carbonate 4lb. Step-by-step infographic showing how to make a pH UP stock concentrate using Arm & Hammer DCAD Plus Potassium Carbonate Sesquihydrate. Steps include: wear safety gear, fill with cold water, add powder slowly, stir until clear, use 20-40g per 4 liters, and store sealed and dry. Fertilizer grade 0-0-57, 57% K2O.
    Potassium Carbonate 0-0-57 | 4 lb
    Potassium Carbonate 0-0-57 | 4 lb
    $23.44
    $23.44
  • Potassium Carbonate 20lb.
    Potassium Carbonate 0-0-57 | 20 lb
    Potassium Carbonate 0-0-57 | 20 lb
    $77.10
    $0.00 $77.10
  • Potassium Carbonate 1lb.
    Potassium Carbonate 0-0-57 | 1 lb
    Potassium Carbonate 0-0-57 | 1 lb
    $10.85
    $0.00 $10.85

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