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General Hydroponics Product Documents
General Hydroponics FloraPro Liquid Feed Chart General Hydroponics FloraPro Liquid Grow A SDSFloraPro™ Bloom A is used with FloraPro™ Bloom B to form the flowering base of the FloraPro Liquid Program. Designed for flower and finish, Bloom A helps deliver core flowering nutrition and calcium support as part of a two-part system built for high-intensity commercial production. Together, Bloom A and Bloom B support calcium delivery, nitrogen tapering, flower development, and a controlled finish.
What It Does
FloraPro Bloom A (3-0-1) is the A-side component of the FloraPro two-part flowering base system. When used with Bloom B, it helps deliver the nutritional foundation needed for flowering and finish. The Bloom A/B system uses multiple calcium sources, including a nitrogen-free source, to help sustain calcium delivery later into flower while the program shifts toward a lower-nitrogen finish.
How To Use It
Use FloraPro Bloom A with FloraPro Bloom B as part of a continuous liquid feed program for hydroponic use only. Do not use Bloom A as a standalone complete base nutrient. Normal feeding range is up to 18 mL/gal, depending on growth stage. Consult the FloraPro Liquid Feed Program for complete recommendations.
Recommended Bloom A rates from the FloraPro Liquid Feed Program:
- Early Flower, Weeks 1–3: 14 mL/gal Bloom A
- Mid Flower, Weeks 4–6: 13 mL/gal Bloom A
- Late Flower, Weeks 7–8: 8 mL/gal Bloom A
- Finish, Week 9: 4 mL/gal Bloom A
Use at the corresponding Bloom B rate:
- Early Flower, Weeks 1–3: 14 mL/gal Bloom B
- Mid Flower, Weeks 4–6: 13 mL/gal Bloom B
- Late Flower, Weeks 7–8: 8 mL/gal Bloom B
- Finish, Week 9: 4 mL/gal Bloom B
Adjustments may be needed based on environmental conditions, water quality, individual grow structure, and use of additional products. Feed programs are recommendations and a starting point; actual results may vary.
Why It Matters
Flowering nutrition needs to support generative development without carrying unnecessary nitrogen through the finish. Bloom A helps form the two-part flowering base system that sustains calcium delivery while allowing Bloom rates to taper as PK+ increases. This gives commercial growers a structured way to support flowering, ripening, and finish quality through a repeatable liquid feed program.
How To Use This Product
Part of the Two-Part Bloom Base
FloraPro Bloom A is designed to be used with FloraPro Bloom B as the flowering base nutrient system in the FloraPro Liquid Program. Together, they deliver core flowering nutrition from early flower through finish.
Calcium Support Through Flower
Bloom A contributes to the FloraPro Liquid Program's calcium-fortified flowering strategy, helping sustain calcium delivery as the crop moves deeper into flower and finish.
Supports the Nitrogen-Tapering Strategy
As Bloom A/B rates decrease and PK+ rates increase, the FloraPro Liquid Program shifts nutrition toward flower formation, bulking, ripening, and finish quality while reducing nitrogen delivery.
Is FloraPro Grow A compatible with commercial fertigation panels like Dosatron or Netafim?
Yes, FloraPro Grow A is engineered specifically for commercial hydroponic cultivation and fertilizer injection systems. Its high solubility and technical-grade inputs ensure clean, residue-free operation through precision injection skids (such as Dosatron Lo-Flo or Hi-Flo systems and NetaFlex setups) with zero clogging of drip emitters when maintained properly.
What are the best practices for preparing a concentrated stock solution of FloraPro Grow A?
When mixing commercial stock tanks:
1. Fill your clean stock Tank A to approximately 70% of its target volume with fresh water (Reverse Osmosis water is preferred, and warm water speeds up dissolution).
2. Initiate thorough agitation using a paddle mixer.
3. Slowly add the weighed Grow A powder (or liquid equivalent) to hit your target concentration.
4. Top off to the final volume, cover the stock securely to limit debris and sunlight, and use within approximately 2 weeks for maximum stability.
How does FloraPro Grow A work in tandem with organic carbon-based supplements like FUL+?
While Grow A provides the mineral backbone, pure mineral lines can sometimes strip out organic carbon inputs, leading to a "hollow" vegetative structure. FUL+ (0.6-3-2) is designed to pair with Grow A & B at 2.0 mL/gal during veg to restore this missing metabolic complexity. However, because FUL+ is carbon-rich, you must run TrueFlo inline at 5.0 mL/gal to continuously oxidize organic scale and prevent biofilm clogs in your plumbing.
Can I mix concentrated FloraPro Grow A directly with Grow B concentrate in my stock tanks?
Absolutely not. Concentrated base nutrient parts must never make direct contact. You must maintain entirely separate stock tanks for your Grow A concentrate (Tank A) and Grow B concentrate (Tank B). Combining these parts in their concentrated forms causes immediate chemical precipitation (nutrient lockout), which will render key minerals unavailable to your crop and severely clog your injection panels and drip emitters.
What are the specific application rates for FloraPro Grow A across the propagation and vegetative cycles?
Under the continuous liquid feed program, the weekly dosing rates for Grow A (always paired in equal parts with Grow B) are:
Propagation (Week 1): 7.0 mL per gallon
Vegetative (Weeks 1, 2, and 3): 12.0 mL per gallon
Normal Operating Range: Dosing can be scaled up to 18.0 mL per gallon depending on the specific growth stage, water quality, and environmental parameters.
Why is Calcium fortified directly into FloraPro Grow A instead of requiring a separate Cal-Mag bottle?
Traditional fertilizer programs treat Calcium as a secondary additive, forcing growers to manage an extra bottle of Cal-Mag. This adds mixing labor, increases the risk of human error, and takes up a valuable dosing channel. General Hydroponics fortifies multiple sources of Calcium directly into the Grow A base architecture. This establishes a high Calcium-to-Nitrogen (Ca:N) ratio from day one, streamlining your inventory and fertigation footprint while ensuring consistent, crop-safe elemental delivery.
What is the guaranteed N-P-K analysis of FloraPro™ Grow A and what is its primary role?
FloraPro Grow A is formulated with a guaranteed analysis of 4-0-1. Its primary role is to serve as the foundational Calcium and micronutrient "A-tank" base for the vegetative and propagation stages. It provides the essential structural backbone and micro-nutrition that young, rapidly growing plants require to establish a robust framework.