22-5-16 Mum Special with Black Iron

Optimized fertilizer formulation to grow beautiful mums

22

N

5

P2O5

16

K2O
Find a dealer

Peters Professional 22-5-16 Mum Special is specifically designed for mums and other high iron demanding plants. This unique formulation contains three chelated irons, including black iron—the most effective for growing ornamentals.

  • Provides iron to plants over the widest pH range to encourage dense, compact growth

  • Ideal for plants that thrive in low pH growing media

  • Fortified with iron HBED, DTPA, and EDTA

  • Elevated magnesium levels improve the calcium/magnesium ratio in hard water environments

  • Pure formulation—no filler substances

  • Effective for all water types

  • Contains NPK, magnesium and micronutrients

  • Seveloped for peat-based cultures (pot plants, bedding plants, and container nursery stock)

  • Exclusive M-77® with black iron chelating formula for fast, efficient nutrient uptake

Mix ratios (non-injector)

Fertilizer + Water (gallons) = Approx. N (ppm)
FertilizerWater (gallons)Approx. N (ppm)
1 tsp. (level)1319
1 tbsp. (level)2479
1 cup (level)25613

 

 

Product properties

Potential acidity502 lbs. calcium carbonate equivalent per ton
Conductivity (100 ppm N)0.68 mmhos/cm.
Maximum solubility4.5 lbs./gal.

 

 

Weight (oz.) of product needed to mix one gallon of concentrate

Target concentration (N/ppm) after dilutionEC (mmhos/cm.) of target feed rate after dilution
Injector ratios
1:151:1001:1281:2001:300
250.231.51.93.04.60.17
500.463.03.96.19.10.34
750.684.65.89.113.70.51
1000.916.17.812.118.20.68
1251.17.69.715.222.80.85
1501.49.111.718.227.31.02
1751.610.613.621.231.91.19
2001.812.115.524.336.41.36
2502.315.219.430.345.51.70
3002.718.223.336.454.62.04
3503.221.227.242.563.72.38
4003.624.331.148.5EMS2.72
4504.127.335.054.6EMS3.06
5004.630.338.860.7EMS3.40
6005.536.446.6EMSEMS4.08
EMS = exceeds maximum solubility

 

 

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

Target concentration (N/ppm) after dilutionEC (mmhos/cm.) of target feed rate after dilution
Injector ratios
1:151:1001:1281:2001:300
251757.6263.6206.0131.887.90.17
50878.8131.8103.065.943.90.34
75585.987.968.743.929.30.51
100439.465.951.533.022.00.68
125351.552.741.226.417.60.85
150292.943.934.322.014.61.02
175251.137.729.418.812.61.19
200219.733.025.716.511.01.36
250175.826.420.613.28.81.70
300146.522.017.211.07.32.04
350125.518.814.79.46.32.38
400109.916.512.98.2EMS2.72
45097.614.611.47.3EMS3.06
50087.913.210.36.6EMS3.40
60073.211.08.6EMSEMS4.08
EMS = exceeds maximum solubility

1
Consult rate tables printed on bag labels.
2
Verify product analysis, longevity, and rate for plants in your production system (for assistance, contact your regional ICL Territory Manager or for testing, call the ICL Lab at 877-467-8522).
3
Irrigation frequency and volume should be adjusted during the crop production cycle according to crop type, environmental conditions, and desired soluble salt or E.C levels.
4
A product trial is recommended before adopting a new fertilizer program or making full-scale changes to standard cultural practices (test several rates on representative plant types).
5
Store in a clean, cool, dry place.

Brand details

This product is part of the Peters Excel Peat-Lite portfolio

Specially formulated for peat-based cultures, the exclusive M-77® chelating package ensures fast, efficient nutrient uptake.

Learn more about Peters Excel Peat-Lite
thumb

Our products

Products for greenhouse and nursery ornamental plants

Explore our products
thumb

Our brands

Setting the standard in the ornamental market for 50+ years

Explore our brands
thumb

Our knowledge

Tips and advice, the latest technologies, market related information

Explore our knowledge