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Peters Excel pHLow 18-18-18 Multi-purpose is a versatile, multi-use formulation that provides the nutrition plants need to thrive while effectively managing irrigation water alkalinity.
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base formulation—can be used alone or rotated with a customizing component
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no filler substances
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effective for water types 2,3 and 4
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elevated levels of chelated trace elements ensure robust growth and rich color
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contains NPK and micronutrients
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developed for peat-based cultures (pot plants, bedding plants and container nursery stock)
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exclusive M-77® chelating formula for fast, efficient nutrient uptake
Concentration (ppm N) fertilizer | Average alkalinity reduction (ppm total alkalinity) |
---|---|
100 | 20 |
200 | 40 |
300 | 50 |
400 | 70 |
Mix ratios (non-injector)
Fertilizer + Water (gallons) = Approx. N (ppm)Fertilizer | Water (gallons) | Approx. N (ppm) |
---|---|---|
1 tsp. (level) | 1 | 276 |
1 tbsp. (level) | 2 | 414 |
1 cup (level) | 25 | 530 |
1 pound | 100 | 252 |
Product properties
Potential acidity | 505 lbs. calcium carbonate equivalent per ton |
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Conductivity (100 ppm N) | 0.79 mmhos/cm. |
Maximum solubility | 4.3 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 | ||||||
1:15 | 1:100 | 1:128 | 1:200 | 1:300 | ||
25 | 0.3 | 1.9 | 2.4 | 3.8 | 5.6 | 0.20 |
50 | 0.6 | 3.8 | 4.8 | 7.5 | 11.3 | 0.39 |
75 | 0.8 | 5.6 | 7.2 | 11.3 | 16.9 | 0.59 |
100 | 1.1 | 7.5 | 9.6 | 15.0 | 22.5 | 0.79 |
125 | 1.4 | 9.4 | 12.0 | 18.8 | 28.1 | 0.98 |
150 | 1.7 | 11.3 | 14.4 | 22.5 | 33.8 | 1.18 |
175 | 2.0 | 13.1 | 16.8 | 26.3 | 39.4 | 1.38 |
200 | 2.3 | 15.0 | 19.2 | 30.0 | 45.0 | 1.57 |
250 | 2.8 | 18.8 | 24.0 | 37.5 | 56.3 | 1.97 |
300 | 3.4 | 22.5 | 28.8 | 45.0 | 67.5 | 2.36 |
350 | 3.9 | 26.3 | 33.6 | 52.5 | 78.8 | 2.75 |
400 | 4.5 | 30.0 | 38.4 | 60.0 | EMS | 3.15 |
450 | 5.1 | 33.8 | 43.2 | 67.5 | EMS | 3.54 |
500 | 5.6 | 37.5 | 48.0 | 75.0 | EMS | 3.94 |
600 | 6.8 | 45.0 | 57.6 | EMS | EMS | 4.72 |
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 | ||||||
1:15 | 1:100 | 1:128 | 1:200 | 1:300 | ||
25 | 1422.2 | 213.3 | 166.7 | 106.7 | 71.1 | 0.20 |
50 | 7111.1 | 106.7 | 83.3 | 53.3 | 35.6 | 0.39 |
75 | 474.1 | 71.1 | 55.6 | 35.6 | 23.7 | 0.59 |
100 | 355.6 | 53.3 | 41.7 | 26.7 | 17.8 | 0.79 |
125 | 284.4 | 42.7 | 33.3 | 21.3 | 14.2 | 0.98 |
150 | 237.0 | 35.6 | 27.8 | 17.8 | 11.9 | 1.18 |
175 | 203.2 | 30.5 | 23.8 | 15.2 | 10.2 | 1.38 |
200 | 177.8 | 26.7 | 20.8 | 13.3 | 8.9 | 1.57 |
250 | 142.2 | 21.3 | 16.7 | 10.7 | 7.1 | 1.97 |
300 | 118.5 | 17.8 | 13.9 | 8.9 | 5.9 | 2.36 |
350 | 101.6 | 15.2 | 11.9 | 7.6 | 5.1 | 2.75 |
400 | 88.9 | 13.3 | 10.4 | 6.7 | EMS | 3.15 |
450 | 79.0 | 11.9 | 9.3 | 5.9 | EMS | 3.54 |
500 | 71.1 | 10.7 | 8.3 | 5.3 | EMS | 3.94 |
600 | 59.3 | 8.9 | 6.9 | EMS | EMS | 4.72 |
Brand details
This product is part of the Peters Excel pHLow portfolio
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The acidifying action of Excel pHLow stabilizes pH levels in all types of growing media.
Learn more about Peters Excel pHLowCan be used together with