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PeKacid 0-60-20 is ICL’s highly acidic (pH=2.2), fully-soluble phosphorus and potassium fertilizer formulated for fertigation applications for calcareous soils and/or high bicarbonate content irrigation waters. PeKacid has anticlogging action and acidifying power, providing blockage-free irrigation. It reduces the pH of the irrigation water, which helps to prevent precipitates, keeping irrigation systems clean. Therefore, PeKacid replaces the conventional application of phosphoric acid, resulting in an easier, safer and more effective fertigation. Easy to dissolve, it’s ideal in a fertigation system for your open-field or soilless crops. You could also use it in a tank mix with calcium and magnesium, thanks to its acidity. It’s low in sodium, free of chloride, and highly soluble at 670 g/l water (at 20°C).
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Rich source of phosphorus and potassium
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Acidifying effect prevents clogged lines and can clean fertigation systems
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Easy to dissolve
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PeKacid is a non-hazardous substance. It can be used, stored, and transported safely, without risks from spillage.
| Recommended dilution rate, for stock solutions: 10-15 kg / 100 l water |
Before adjusting the rate or any other variables, conduct a small-scale trial first. As circumstances can vary and the application of our products is beyond our control, ICL cannot be held responsible for any adverse results
Amounts of Nova PeKacid and acids needed to neutralize bicarbonates in irrigation water
| Bicarbonates in source water | Bicarbonates in source water | Bicarbonates to be neutralized* | Nova PeKacid | Phosphoric acid 59% | Nitric acid 68% | Nitric acid 53.5% | Sulfuric acid 98% |
|---|---|---|---|---|---|---|---|
| Specific gravity (gr/mL) | |||||||
| 1.632 | 1.3976 | 1.2132 | 1.8 | ||||
| meq/L | ppm | meq/L | gr/m3 | ml/m3 | |||
| 0.5 | 31 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1.0 | 61 | 0.5 | 125 | 36.25 | 35.00 | 51.25 | 35.00 |
| 1.5 | 92 | 1.0 | 250 | 72.50 | 70.00 | 102.50 | 70.00 |
| 2.0 | 122 | 1.5 | 375 | 108.75 | 105.00 | 153.75 | 105.00 |
| 2.5 | 153 | 2.0 | 500 | 145.00 | 140.00 | 205.00 | 140.00 |
| 3.0 | 183 | 2.5 | 625 | 181.25 | 175.00 | 256.25 | 175.00 |
| 3.5 | 214 | 3.0 | 720 | 208.80 | 201.60 | 295.20 | 201.60 |
| 4.0 | 244 | 3.5 | 875 | 253.75 | 245.00 | 358.75 | 245.00 |
| 4.5 | 275 | 4.0 | 1,000 | 290.00 | 280.00 | 410.00 | 280.00 |
| 5.0 | 305 | 4.5 | 1,125 | 326.25 | 315.00 | 461.25 | 315.00 |
Dilution table for preparing soluble fertilizer solution
| Water (L) | 1 | 10 | 50 | 100 | 500 | 1,000 | 1,500 | 5,000 | 10,000 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Fertilizer dilution rate (kg) | 1:5 | 0.2 | 2 | 10 | 20 | 100 | 200 | 300 | 1,000 | 2,000 |
| 1:10 | 0.1 | 1 | 5 | 10 | 50 | 100 | 150 | 500 | 1000 | |
| 1:20 | 0.05 | 0.5 | 2.5 | 5 | 25 | 50 | 75 | 250 | 500 | |
| 1:30 | 0.033 | 0.3 | 1.66 | 3.33 | 16.66 | 33.33 | 50 | 166.6 | 333.3 | |
| 1:40 | 0.025 | 0.25 | 1.25 | 2.5 | 12.5 | 25 | 37.5 | 125 | 250 | |
| 1:50 | 0.02 | 0.2 | 1 | 2 | 10 | 20 | 30 | 100 | 200 | |
| 1:60 | 0.016 | 0.16 | 0.83 | 1.66 | 8.33 | 16.66 | 25 | 83.33 | 166.6 | |
| 1:70 | 0.014 | 0.142 | 0.71 | 1.42 | 7.14 | 14.2 | 21.4 | 71.4 | 142.8 | |
| 1:80 | 0.012 | 0.125 | 0.625 | 1.25 | 6.25 | 12.5 | 18.75 | 62.5 | 125 | |
| 1:90 | 0.011 | 0.11 | 0.55 | 1.11 | 5.55 | 11.11 | 16.66 | 55.5 | 111.11 | |
| 1:100 | 0.01 | 0.1 | 0.5 | 1 | 5 | 10 | 15 | 50 | 100 | |
How to calculate dosage
Example: To prepare a 1:20 working solution for 100 L of water, divide 100 L by 20. This gives you 5, meaning you’ll need 5 kg of fertilizer for 100 L of water.
Example: To prepare a 1:15 working solution for 150 L of water, divide 150 L by 15. This gives you 10, meaning you’ll need 10 kg of fertilizer for 150 L of water.
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