The ICL Specialty Fertilizers Testing Lab will find any nutrient deficits in your growing media so you can augment with fertilizer.
- pH
- Soluble Salts
- Nitrate–N
- Ammoniacal–N
- Phosphorus
- Potassium
- Calcium
- Magnesium
- Sulfur
- Boron
- Copper
- Iron
- Manganese
- Molybdenum
- Zinc
- Sodium
- Chloride
- Aluminum
Only $35.00