20-20-20

Recommended when low micronutrient levels are desired

20

N

20

P2O5

0

K2O
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Peters Professional 20-20-20 utilizes acidifying action to combat excessive pH in mineral-heavy growing media. Contains low levels of micronutrients.

  • Base formulation—can be used alone or rotated with a customizing component

  • Can be used as a drip, drench, or foliar feed

  • Pure formulation—no ballast 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

  • Also available in no dye formulation

Mix ratios (non-injector)

Fertilizer + Water (gallons) = Approx. N (ppm)
FertilizerWater (gallons)Approx. N (ppm)
1 tsp. (level)1238
1 tbsp. (level)2357
1 cup (level)25457

 

 

Product properties

Potential basicity591 lbs. calcium carbonate equivalent per ton
Conductivity (100 ppm N)0.43 mmhos/cm.
Maximum solubility3.6 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
250.31.72.23.45.10.10
500.53.44.36.810.10.21
750.85.16.510.115.20.31
1001.06.88.613.520.20.41
1251.38.410.816.925.30.51
1501.510.113.020.330.40.62
1751.811.815.123.635.40.72
2002.013.517.327.040.50.82
2502.516.921.633.850.61.03
3003.020.325.940.5EMS1.23
3503.523.630.247.3EMS1.44
4004.127.034.654.0EMS1.64
4504.630.438.9EMSEMS1.85
5005.133.843.2EMSEMS2.05
6006.140.551.8EMSEMS2.46
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
251580.2237.0185.2118.579.00.10
50790.1118.592.659.339.50.21
75526.779.061.739.526.30.31
100395.159.346.329.619.80.41
125316.147.437.023.715.80.51
150263.439.530.919.813.20.62
175225.733.926.516.911.30.72
200197.529.623.114.89.90.82
250158.023.718.511.97.91.03
300131.719.815.49.9EMS1.23
350112.916.913.28.5EMS1.44
40098.814.811.67.4EMS1.64
45087.813.210.3EMSEMS1.85
50079.011.99.3EMSEMS2.05
60065.89.97.7EMSEMS2.46
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-SF Territory Manager or 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 Professional portfolio

The world’s leading water-soluble fertilizer with patented M-77 chelating technology.

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