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ClosePeters Professional 5-11-26 Hydroponic Special is designed exclusively for hydroponic culture. This classic formula is ideal for tomatoes, cucumbers and lettuce.
1. Dissolve 130 ounces (or 8 pounds, 2 ounces) of product in 1000 gallons of water to obtain the following concentrations:
| PPM | |
|---|---|
| Nitrogen (all Nitrate N) | 50 |
| Phosphorus (P) | 48 |
| Potassium (K) | 216 |
| Magnesium (Mg) | 60 |
| Sulfur (S) | 80 |
| Iron (Fe) | 3 |
| Manganese (Mn) | 0.50 |
| Zinc (Zn) | 0.15 |
| Copper (Cu) | 0.15 |
| Boron (B) | 0.50 |
| Molybdenum (Mo) | 0.10 |
2. Test your water to determine if additional magnesium is required (an average of 50 to 75 ppm magnesium is desirable for most crops). If additional magnesium is required, dissolve epsom salts into tank (one ounce of epsom salts dissolved in 100 gallons supplies 7.5 ppm magnesium).
3. After the Hydroponic Special and any epsom salts are fully dissolved, proceed to supplement your crop with required concentrations of N and Ca.
Example: Dissolve 86 ounces of Calcium Nitrate a 1000 gallon solution. The total nutrient concentration will be: Nitrogen as N: 150 ppm N, Calcium as Ca: 116 ppm Ca.