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Peters Excel pHLow19-11-21 Multi-Purpose with Black Iron

Versatile, multi-use formulation provides plants with the nutrition they need to thrive while easily and effectively managing irrigation water alkalinity. Contains three chelated irons, including black iron—the most effective for growing ornamentals.

  • base formulation—can be used alone or rotated with a customizing component
  • effective for water types 2, 3 and 4
  • 100% water soluble
  • pure formulation—no ballast substances
  • effective for all water types
  • elevated levels of chelated trace elements ensure robust growth and rich color
  • contains NPK, magnesium and micronutrients
  • developed for peat-based cultures (pot plants, bedding plants and container nursery stock)
  • exclusive M-77 chelating formula for fast, efficient nutrient uptake

Rates for Peters Excel pHLow, 19-11-21, Multi-Purpose with Black Iron

Weight (in ounces) of product needed to mix one gallon of concentrate

Target Fertilizer Concentration (N/ppm) After DilutionCommon Injector RatiosEC (mmhos/cm) of Target Feed Rate After Dilution
1:151:1001:1281:2001:300
25
50
75
100
125
150
175
200
250
300
350
400
450
500
600

*** Exceeds maximum solubility.

Gallons of water required to dissolve one 25lb. bag of fertilizer

Target Fertilizer Concentration (N/ppm) After DilutionCommon Injector RatiosEC (mmhos/cm) of Target Feed Rate After Dilution
1:151:1001:1281:2001:300
25
50
75
100
125
150
175
200
250
300
350
400
450
500
600

*** Exceeds maximum solubility.