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Reefertilizer Grow Bulk (25lb Bag)
2 × $269.95 CAD
Reefertilizer Grow For Plants in Veg is Also Available at Retailer Near You and on Amazon Prime
Part of A Complete Breakfast For Your Plants In Veg
The All-in-One Fertilizer For Cannabis in Veg
Reefertilizer® Grow will be the first substantial meal of nutrients for your cannabis plants. When plants have their first 3 sets of leaves they are ready to be fed our easy to measure and mix powder fertilizer. Reefertilizer® Grow is high in nitrogen and other micronutrients like magnesium that help build strong stems and leaves.
Easy Weekly Feeding For Cannabis Plants in Veg
Simple Veg Phase Feeding Schedule
Start feeding your plants Reefertilizer Grow when the plant has 3-4 sets of leaves.
| Veg Week 1 | 1 scoop mixed into 4L of water |
| Veg Week 2 | 2 scoops mixed into 4L of water |
| Veg Week 3 | 3 scoops mixed into 4L of water |
| Additional Weeks of Veg | 3 scoops mixed into 4L of water |
Fool Proof Feeding
Reefertilizer likes to keep things simple. Feed your plants once a week or top up your reservoir.
Grow is water soluble and and immediately available to your plants to use.
If you need more or less nutrient solution, just use the same ratio no matter how much water you’re using.
If you accidentally overfeed your plants, you can easily flush your medium with water.
How to Mix & Apply Reefertilizer Grow
Add the recommended amount of Grow to water.
Mix Grow until dissolved.
Feed your plants or add to reservoir.
Cannabis Grow Nutrients Simplified
Guaranteed Analysis
(A fancy way of saying total weight by volume)
| 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® Grow
Reefertilizer Grow contains the essential nutrients required to establish strong stems, good leaf structure, and healthy root systems. Grow is a chelated synthetic nutrient that allows elements to be metabolized immediately, much faster than organic fertilizers.
These essential elements and added micronutrients help fuel many cell functions crucial to photosynthesis and cellular replication.
Includes Digital Getting Started Guide
We created our products to make it easier for folks like you to start growing their own cannabis at home.
We provide our Beginner’s Guide to Cannabis Cultivation free with each order and to our email subscribers.
Learn the basics of growing weed; from germinating seeds, caring for your plants through veg and flower, as well as processing that harvest you worked so hard to grow.
Written by Mike Drouin; an experienced cannabis grower and co-founder of Reefertilizer nutrients.
What Our Customers Think Of Reefertilzer Grow Fertilizer
Customer Images
1-5 of 147 reviews
Question and Answers
Is Reefertilizer Grow Organic?
Grow is a synthetic fertilizer while our Start soil conditioner is organic.
The advantage of synthetic fertilizer like Grow is that nutrients are immediate available to plants.
The Reefertilizer organic and synthetic combo fertilizer provide the benefits of both.
Can I Use Reefertilizer For Other Plants in My Garden?
Reefertilizer is safe for all consumable plants like cannabis, vegetables, and edible flowers. Our nutrients are vegan and have low heavy metal counts compared to other brands, take a look at our COAs.
When do I start feeding my plants Reefertilizer Grow?
You can start feeding your plants when they have their first 3 to 4 sets of leaves. One plant that size might not need a whole 4L of nutrient solution. In that case you can split the dose in half. So instead of 1 scoop in 4L, you would do 1/2 scoop in 2L. The ratio is what’s important. You can use any volume of nutrient solution you want if you maintain the recommended nutrient-to-water ratio.
How much do I feed my plants?
Start with 1 scoop (5ml) for every 4L (1 gallon) of water. Feed each plant weekly with enough of this solution to fully saturate the soil and have a bit of runoff. You can water your plants as needed in between feedings. Some folks split the dose and feed twice a week. Both work fine, pick whichever method is easier for you.
Can I pre-mix these nutrients?
Because these are chelated nutrients they don’t do well being mixed into water and stored for long periods of time. The elements within the solution can react with each other and lower the effectiveness of the fertilizer. A few days is okay, but anything longer than a week might not be a good idea.
What makes Reefertilizer Grow different from other veg fertilizer?
Other veg fertilizers usually need to be used with additional inputs. Reefertilizer Grow has a NPK ratio perfect for cannabis in flower as well as all the other micronutrients beneficial for the veg period.
Enhanced with magnesium, Reefertilizer Grow reduces the number of additional inputs you might need.
Our goal at Reefertilizer is to get more folks growing their own cannabis. Reefertilizer provides easy-to-use and affordable nutrients along with straightforward guidance and support.
We designed our products to be lighter and have less packaging than our competitors and we’re happy to offer a 30-day return policy if you’re not happy with our products.
We’re not “big fertilizer”, we’re just three guys who love growing and using cannabis.
Get More From Your Plants
Reefertilizer Grow Is Just One Part of a Balanced Diet
Reefertilizer was designed to make growing amazing weed at home easier than ever. The Reefertilizer grow kit will feed your soil as well as up to 8 plants with no need for additional inputs.
When all three are working together a successful harvest is easy to achieve.
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Original price was: $117.85 CAD.$109.89 CADCurrent price is: $109.89 CAD.
147 reviews for Reefertilizer® Grow Veg Nutrients for Cannabis
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See my YouTube channel for results @ Ted Farmer
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The girls seemed to really love these nutes as they had tremendous growth as soon as I fed them with Reefertilizer.
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I seem to veg a little longer than most and I get huge results with the Grow formula!
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It’s amazing and does what its suppose to!
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First time grower and just reaching this stage now. Fast delivery and product seems to be working
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very nice people, first class delivery. My girls look fabulous, thankyou.
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I have another Bakerstreet Indica plant under way and it’s now 57 days old. It’s in a 1.75 Gallon pot and is under a FLUVAL 6500K Plant Spectrum LED System. I administer 1 litre of water with one teaspoon of the Grow Compound once a week. The leaves on the plant actually start to stand up at around 07:00 PM every night and stay that way until 06:00 AM the next morning. I read an article that said that this means the plant likes what is being done. I did see “Clawing” on the Fan Leaves so last week I flushed the plant with straight water (Ph level 6) and it’s been doing well. I resumed the watering once again this morning after 7 days with one litre of water mixed with one teaspoon of Grow Compound and the plant looks good. I have provided two photos for your assessment.
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So far not so good. To start it took 5 minutes of digging around in the bag to find the measuring scoop included (not the end of the world, but having it attached to the outside of the bag would have been more convenient). I’ve noticed in the GROW formula, that the calcium nitrate pellets have mostly settled to the bottom of the bag, making for an inaccurate NPK ratio, causing a heavy nitrogen deficiency in my plants, to which I supplemented with calcium Ammonium nitrate. I feel using powdered calcium nitrate would have been a better option to help keep NPK ratios proper. Everything else seems to be in check tho… will continue to use for this grow, just watching the nitrate levels a little closer.
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Working great. My plants look very happy
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So far so good. Plants are responding nicely to the GROW
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love how easy to use placing a second order all my plants look perfect no deficiencies
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Works good. They have been growing nicely with this.
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This is 1of 2 plants i am growing with your product and as i said it won’t be until October when I will be doing the test but so far there is a difference and in October i will be testing for comparison to Aphria products that i have a license to use
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Constant nitrogen deficiency
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I apply the fertilizer once a week as recommended, and, the results have been fantastic. Tons of new growth and bushy healthy plants. All my friends who also are backyard growers, are so jealous
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Seems consistent with other GROW fertilizers I have used.
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This stuff is amazing! Does what it says. So happy I came across it.
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great grow fertilizer looking forward to the bloom
1st pic Skunk took cutting march 15th
2nd ogk seeded march 15th
3rd gellato seeded march 15th
4th field 50 plants 24 varieties all doing fantastic using reefertilizer grow
pcs taken july 25
planted out june 1st to july 1st
thanks Mike
Pagan North Farm
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No burning on leaves, plant have great green colour
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Very happy with the product so far … First time using powder nutrients and haven’t had a chance to use the bloom nutes yet. The grow nutes however have noticeably been very well received by the plants and have no issues with nutrient burn.
Will definitely purchase again!
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Fantastic product would recommend to anyone! Plants went crazy after using this product!
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Really helps plants grow to their full pitential
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Still waiting to use
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Very happy so far! I started using the nutrients on June 18th and my tallest plant was about 18″.
Its Aug and my tallest are now over 72″! I really found the plants produced alot more consistent/ hearty branches after starting the system.
I’ve got a few on the Bloom now and are stacking up nicely!
Happy growing!
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Plants love it !
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Probably the best outdoor fertilizer i have used in 25 years of growing, cant beat it for newbies, makes nice lush plants, using bloom shortly Outdoor
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First time user and had great results for the “Grow” phase! It was easy to measure with scoop included with Grow Reefertilizer.
Would have loved to try the Bloom Reefertilizer, but they’ve been sold out for a while… Couldn’t wait.l, sorry ;(…
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Plants loved it right from the start from 3rd set of leafs to bloom stage..dark lush foliage, heavy stock and stems..held the buds nicely,no weak laying over stuff..silica & sea weed product was also used with this too, with out any problems..hint for future
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I found that both Grow and Bloom work much better than liquid fertilizers
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I have used this system for 2 seasons now for both indoor and outdoor on 8 different strains both indica and sativa. Simple and easy to use. Perfect crop each time.
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Great grow fertilizer
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British Columbia, Canada -
Ontario, Canada
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Ontario, Canada
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Ontario, Canada
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Only because it’s my first grow. Otherwise seems to be a fantastic product. I’ve had no apparent deficiencies, but would boost with cal-mag.
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No lockouts! No ph flux! Great stuff
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I learned the less is more. I was overfeeding the plant and I’m thinking it was because of the size of my pots. I reduced the feed and food burn signs went away.
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Easy to use from mixing to application. Great customer support.
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healthy veg!
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I am currently using the veg stage fertilizer once a week. It is clearly a superior brand to those I have used in past. I have purchased and will use the flower stage version when it is time.
I have been impressed with results so far, and will be a continued user. -
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Bigger and healthier plants during the growing cycle. Great service. Thanks Mike.
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A little goes a long way. No excess
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I like this product my plants are loving it outside plants now using this instead of the advanced nutrients stuff inside plants are looking great
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Using it to feed my Plants since May. the leaves are huge and green!!!
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My first time growing so far so good.
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Plants are doing well
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Just take a look.
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This is my third season using Reefertilizer Grow and Bloom for my potted outdoor plants, and the results are perfect every year. This one is in early flowering, and is looking great! Highly recommended!
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Fantastic for your plants it makes them very happy and I have never seen so much bushy, it has growth from it seems every where. This has made a huge difference in my grow the plant is 30-70% larger than the my last plant , wow can’t wait for flowering to produce even more wow.
Wow , should be enough said Wow! Thank
You Reefertillizer it makes the the right kind growth in plants ? you will say Wow also ! -
Easy to grow healthy plants.
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Incredible results.
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A must have
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Excellent for veg stage
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Ive tried the rest but this is the best! The proof is in the result!
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Very easy to use with excellent results
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Great stuff my plants were big and green and healthy
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I’m growing extra large plants and getting weekly feeding amounts is challenging to say the least
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Fantastic for your plants it makes them very happy and I have never seen so much bushy, it has growth from it seems every where. This has made a huge difference in my grow the plant is 30-70% larger than the my last plant , wow can’t wait for flowering to produce even more wow.
Wow , should be enough said Wow! Thank
You Reefertillizer it makes the the right kind growth in plants ? you will say Wow also !
I’m growing extra large plants and getting weekly feeding amounts is challenging to say the least
Great stuff my plants were big and green and healthy
Very easy to use with excellent results