15-16-17 Special

Provides additional magnesium while helping to manage high pH levels in growing media

15

N

16

P2O5

17

K2O
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Peters Professional Peat-Lite 15-16-17 Special is a specialized NPK formulation designed for use in soilless growing media.

  • Pure formulation—no filler substances

  • 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

Mix ratios (non-injector)

Fertilizer + Water (gallons) = Approx. N (ppm)
FertilizerWater (gallons)Approx. N (ppm)
1 tsp. (level)1197
1 tbsp. (level)2296
1 cup (level)25378

 

 

Product properties

Potential acidity384.53 lbs. calcium carbonate equivalent per ton
Conductivity (100 ppm N)0.83 mmhos/cm.
Maximum solubility3.2 lbs./gal.

 

 

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

Target concentration (N/ppm) after dilution EC (mmhos/cm.) of target feed rate after dilution
Injector ratios
1:151:1001:1281:2001:300
250.32.22.84.56.70.21
500.74.55.78.913.40.42
751.06.78.513.420.00.62
1001.38.911.417.826.70.83
1251.711.114.222.333.41.04
1502.013.417.126.740.11.25
1752.315.619.931.246.71.45
2002.717.822.835.6EMS1.66
2503.322.328.544.5EMS2.08
3004.026.734.2EMSEMS2.49
3504.731.239.9EMSEMS2.91
4005.335.645.6EMSEMS3.32
4506.040.1EMSEMSEMS3.74
5006.744.5EMSEMSEMS4.15
6008.0EMSEMSEMSEMS4.98
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
251198.4179.8140.489.959.90.21
50599.289.970.244.930.00.42
75399.559.946.830.020.00.62
100299.644.935.122.515.00.83
125239.736.028.118.012.01.04
150199.730.023.415.010.01.25
175171.225.720.112.88.61.45
200149.822.517.611.2EMS1.66
250119.818.014.09.0EMS2.08
30099.915.011.7EMSEMS2.49
35085.612.810.0EMSEMS2.91
40074.911.28.8EMSEMS3.32
45066.610.0EMSEMSEMS3.74
50059.99.0EMSEMSEMS4.15
60049.9EMSEMSEMSEMS4.98
EMS = exceeds maximum solubility

1
Consult rate tables printed on bag labels.
2
Verify product analysis 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 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

Can be used together with

Osmocote

General purpose formulation for a wide variety of plant types

14-14-14, 3-4 M

14-14-14

See product

Osmocote

General purpose formulation for a wide variety of plant types

14-14-14, 3-4 M

14-14-14
See product
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