Reach the full genetic potential of your crops with Emerald Harvest Cali Pro Grow A & B and Cali Pro Bloom A & B, our complete 2-part base nutrient series. Cali Pro is a nitrogen-rich fertilizer that nourishes your high-yield, indoor-grown crops with the essential elements they need to develop strong stalks and stems and support a robust harvest. Cali Pro is rich in phosphorus, potassium and other essential plant nutrients needed for vigorous fruiting and flowering. It also contains trace elements such as chelated iron, cobalt, manganese and zinc. Use Cali Pro Grow A & B during the vegetative stage. Emerald Harvest Cali Pro Grow A helps out plants in their vegetative stage with an NPK of 3-0-0.
Cali Pro is designed for growers who want a premium base nutrient that’s easy to use but guarantees professional results.
Cali Pro supplies all the essential elements in precise concentrations and ratios for vigorous growth and flowering throughout the crop life cycle.
Simple to use
You do less math than with a 3-part series but get the same great results.
Professional results
Novice and expert growers alike get high quality and superior yields.
All essential nutrients
Constitutes a complete feeding program for guaranteed success.
High-grade raw materials
Contains the highest quality ingredients we could source.
Made for hydroponics
Ideally suited for hydroponic growing mediums.
Heavy harvests
Engineered specifically for high-yield plants.
Follow This Simple Feed Chart Designed by our Research Team
| Seedlings & Cuttings | Transplants | Early Veg | Late Veg | Week 1 | Week 2 |
|---|---|---|---|---|---|
| 2 mL/Gal | 3 mL/Gal | 4 mL/Gal | 5 mL/Gal | 5 mL/Gal |
| Week 3 | Week 4 | Week 5 | Week 6 | Week 7 | Week 8 | Week 9 |
|---|---|---|---|---|---|---|
Note: Always mix Cali-Pro A with fresh water first, then add Cali-Pro B
| Brand | Emerald Harvest |
|---|---|
| SKU | EMHCPGA15G |
| Weight (lb.) | 139.0000 |
| Height (in.) | |
| Width (in.) | |
| Length (in.) | |
| Hazardous Material | false |
| UPC | 854687007377 |
| Shipping Restrictions | AK, HI |
| Lead Time | Extended Lead Time |
| N-P-K | 3-0-0 |
| Nutrient Application | Hydroponic and Soil Nutrient |
| Nutrient Type | Inorganic Based |
| OMRI Certified | No |
| Nutrient Material Type | ["Liquid"] |
What does Emerald Harvest Cali Pro Grow A do for plants during the vegetative stage?
Emerald Harvest Cali Pro Grow A is a nitrogen-rich base nutrient with an NPK of 3-0-0, formulated to fuel vegetative growth by helping plants develop strong stalks and stems. The formula also supplies chelated iron, cobalt, manganese, and zinc to support overall plant health during the grow phase.
How does the Cali Pro 2-part system work, and which parts are used during veg versus bloom?
The Emerald Harvest Cali Pro system is a 2-part base nutrient series split into a Grow A and B set for the vegetative stage and a Bloom A and B set for fruiting and flowering. Using Cali Pro Grow A together with Cali Pro Grow B during the vegetative stage gives plants the nitrogen, phosphorus, potassium, secondary macronutrients, and micronutrients needed for vigorous growth without the extra measuring steps of a 3-part series.
What are the recommended dosage rates for Emerald Harvest Cali Pro Grow A at different growth stages?
Emerald Harvest recommends mixing Cali Pro Grow A at 2 mL per gallon for seedlings and cuttings, 3 mL per gallon for transplants, 4 mL per gallon during early veg, and 5 mL per gallon during late veg and into week 1 of the feeding schedule. Always mix Cali Pro A with fresh water first before adding Cali Pro B.
Is Emerald Harvest Cali Pro Grow A suitable for hydroponic systems as well as soil grows?
Yes, Emerald Harvest Cali Pro Grow A is formulated for both hydroponic and soil growing environments, though the product description notes the Cali Pro series is ideally suited for hydroponic growing mediums. The liquid formula is inorganic-based and is not OMRI certified.
Can beginner growers use Emerald Harvest Cali Pro Grow A, or is the product designed only for experienced cultivators?
Emerald Harvest Cali Pro Grow A is designed for both novice and expert growers. The simplified 2-part format reduces the math and measuring involved compared to a 3-part nutrient series, making Cali Pro accessible to new growers while still delivering professional-level results for high-yield indoor crops.
Are there any shipping restrictions or lead time considerations when ordering Emerald Harvest Cali Pro Grow A in the 15-gallon size?
Emerald Harvest Cali Pro Grow A in the 15-gallon size cannot be shipped to Alaska or Hawaii. Buyers should also plan ahead, as this product ships in 4 to 6 weeks from the time of order.
