Jack's Professional 15-15-15 Geranium Fertilizer - 25 lb

Balanced Soluble Feed for Injector Programs - 25 lb Bag

Growers who run injectors need a fertilizer that dissolves cleanly and feeds consistently. This 15-15-15 formula is highly soluble in water and supplies equal parts total nitrogen, available phosphate and soluble potash, with chelated iron, manganese, copper and zinc. The label guaranteed analysis lists each nutrient, so you can set feed rates with confidence.

The 25 lb bag suits growers who mix stock solutions regularly, such as small commercial operations and serious indoor or greenhouse gardeners. If you only need a trial quantity, plan your stock tank volume first, since the label chart is built around ounces of dry fertilizer per gallon.

Key Features & Benefits

• 15-15-15 analysis — balanced nitrogen, phosphate and potash for general-purpose feeding.
• Nitrate-forward nitrogen — the nitrogen is 8.40% nitrate, with 2.88% ammoniacal and 3.72% urea forms.
• Chelated micronutrients — iron, manganese, copper and zinc are listed as chelated on the label.
• Highly soluble — mixes into a concentrated solution for injector use.
• Mixing chart on the label — gives ounces per gallon for common injector ratios and target nitrogen rates.

Who Should Use Jack's Professional 15-15-15 Geranium Fertilizer

This fertilizer is recommended for geraniums and marigolds. It suits growers who feed through an injector or stock tank and want a general-purpose balanced formula with micronutrients included.

About Jack's Professional 15-15-15 Geranium Fertilizer

Jack's Professional 15-15-15 Geranium Fertilizer is a general-purpose water-soluble fertilizer supplied as a light blue powder and crystal mix. The guaranteed analysis lists 15% total nitrogen, 15% available phosphate (P2O5) and 15% soluble potash (K2O). Its potential acidity is 151 lb calcium carbonate equivalent per ton. It is sold as a single 25 lb bag.

Frequently Asked Questions

Q: How do I mix this fertilizer?
A: The label includes a chart giving ounces of dry fertilizer per gallon of water for a concentrated solution. Choose your injector ratio and target nitrogen rate, then read the amount from the chart. Check your injector setting before use.

Q: Does the color change in solution?
A: The label says dry product color can vary with particle size and tracer dye distribution. In solution the color stays consistent.

Q: What does chelated mean?
A: A chelated micronutrient is bound to an organic molecule that helps keep it available to plants in solution. This product lists iron, manganese, copper and zinc as chelated.

Q: Is it safe to handle?
A: The label states it may be harmful if swallowed or inhaled. Avoid breathing the dust and keep it away from children and pets.

Q: How does a balanced 15-15-15 differ from a bloom-focused formula?
A: A balanced formula supplies equal shares of nitrogen, phosphate and potash for general feeding. Bloom-focused formulas typically shift the ratio toward phosphate and potash.