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
The acidifying action of Excel pHLow stabilizes pH levels in all types of growing media.
Learn more about Peters Excel pHLow