Powder Cannabis Fertilizers for Veg & Flower
Vegetative plants and flowering plants have very different nutritional needs. While a plant is growing, it requires plenty of nitrogen. Nitrogen helps with the growth of new stems and leaves. This results in a bushy plant that can efficiently metabolize UV rays. Our Grow fertilizer is formulated to give your plants the nitrogen required, as well as various micro nutrients proven to aid cannabis growth.
Flowering cannabis plants are no longer focusing on overall growth, it is now putting energy into developing flowers. These flowers will eventually turn into buds, so a steady diet of nutrients is necessary. Phosphorus, potassium, magnesium, and calcium are the heavy hitters at this stage of growth. Having ample amounts of each will result in large dense buds with an amazing aroma. A lot of commercial fertilizers accomplish this with several products, we like to do it with one.
Crafted to Grow Good Weed Easy
Our Grow and Bloom cannabis fertilizers were designed to make growing cannabis fun and easy. No more mixing several liquids together and no more paying for water. Powder cannabis nutrients make it easier to measure correct nutrient concentrations. Grow and Bloom can be used with additional nutrients like “cal-mag” if required but provide the baseline nutrients to support a plant from seed to harvest. Powder nutrients are also easy to flush in case you run into over fertilization problems.


Feed your cannabis plants in 3 quick steps
Feed your plants once a week.
Cannabis Nutrient Requirements From Seed to Flower
A recipe for faster cannabis growth
Reefertilizer Grow contains the essential nutrients required to establish strong stems, good leaf structure, and a healthy root system. Our fertilizer are synthetic which allows them to be metabolized much faster than organic blends. Essential elements are available for the plant as well as the living microbes in your soil.
Plenty of Nitrogen is required for the plant to develop leaves and thick stems. Micro nutrients will help fuel many cell functions crucial to photosynthesis and cellular replication.

Major Nutrients For Cannabis in Veg
Minor Nutrients For Cannabis in Veg
Crafted for flowering cannabis plants
When cannabis plants begin to flower, their nutrient requirements change. Early on in flower, the plant will use its stored nitrogen for a quick growth spurt. After this growth spurt, your cannabis plants will need nutrients used for bud/flower production.
Reefertilizer Bloom provides a higher ratio of phosphorus as well as calcium and magnesium. These three elements are proven to increase bud size and help terpene production.

Major Nutrients For Cannabis in Flower
Minor Nutrients For Cannabis in Flower
Guaranteed Chemical Analysis
REEFERTILIZER® GROW
Total Nitrogen (N) | 20% |
Available Phosphate (P2O5) | 5% |
Soluble Potash (K2O) | 10% |
Magnesium (Mg) | 3% |
Boron (B) | 0.02% |
Copper (Cu) | 0.05% |
Iron (Fe) | 0.10% |
Manganese (Mn) | 0.05% |
Zinc (Zn) | 0.05% |
REEFERTILIZER® BLOOM
Total Nitrogen (N) | 5% |
Available Phosphate (P2O5) | 30% |
Soluble Potash (K2O) | 20% |
Calcium (Ca) | 4% |
Magnesium (Mg) | 3% |
Boron (B) | 0.02% |
Copper (Cu) | 0.05% |
Iron (Fe) | 0.10% |
Manganese (Mn) | 0.05% |
Get more from your soil grow with Reefertilizer® Start. 100% organic compost infused with mycorrhizal fungi.
If you’re planning on growing cannabis plants in soil this amendment will help you achieve the best possible results.
Peter Taylor (Verified Grower) –
Easy, Effective… Full value.
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Anonymous (Verified Grower) –
Peggy (Verified Grower) –
Great product! Nice healthy plants .
Andrew (Verified Grower) –
Very healthy and very responsive to the nutritions I would recommend to anyone
Rick (Verified Grower) –
My little girls love this stuff.