Peter’s 21-7-7 Acid Special Water Soluble Fertilizer 25 lb bags

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Produce healthy acid-loving crops with this formula’s high potential acidity that offsets high water alkalinity or lowers pH levels in growing media.

  • C (Customizing) component can be used with a variety of B (Base) formulations
  • Excellent choice for Water Types 3 and 4
  • Contains a full range of essential micronutrients plus extra iron to promote greening