18-8-17 High-Mag

Can be used alone or rotated with other Peters products

18

N

8

P2O5

17

K2O
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Peters Professional 18-8-17 High-Mag is a highly effective stand-alone fertilizer enhanced with extra magnesium to produce rich, green foliage.

  • 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)1267
1 tbsp. (level)2400
1 cup (level)25512

 

 

Product properties

Potential basicity381 lbs. calcium carbonate equivalent per ton
Conductivity (100 ppm N)0.65 mmhos/cm.
Maximum solubility3 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
250.31.92.43.85.60.16
500.63.84.87.511.30.33
750.85.67.211.316.90.49
1001.17.59.615.022.50.65
1251.49.412.018.828.10.81
1501.711.314.422.533.80.98
1752.013.116.826.339.41.14
2002.315.019.230.045.01.30
2502.818.824.037.5EMS1.63
3003.422.528.845.0EMS1.95
3503.926.333.6EMSEMS2.28
4004.530.038.4EMSEMS2.60
4505.133.843.2EMSEMS2.93
5005.637.548.0EMSEMS3.25
6006.845.0EMSEMSEMS3.90
EMS = exceeds maximum solubility

 

 

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

Target concentration (N/ppm) after dilution EC (mmhos/cm.) of target feed rate after dilution
Injector ratios
1:151:1001:1281:2001:300
251422.2213.3166.7106.771.10.16
50711.1106.783.353.335.60.33
75474.171.155.635.623.70.49
100355.653.341.726.717.80.65
125284.442.733.321.314.20.81
150237.035.627.817.811.90.98
175203.230.523.815.210.21.14
200177.826.720.813.38.91.30
250142.221.316.710.77.11.63
300118.517.813.98.9EMS1.95
350101.615.211.9EMSEMS2.28
40088.913.310.4EMSEMS2.60
45079.011.99.3EMSEMS2.93
50071.110.78.3EMSEMS3.25
60059.38.9EMSEMSEMS3.90
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
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