

🌱 Grow smarter, harvest bigger — the all-in-one nutrient your plants crave!
Mega Crop 1-Part Complete Base Nutrient is a premium, all-in-one hydroponic and soil fertilizer designed to simplify and supercharge plant growth. Combining a full spectrum of NPK, organics, amino acid chelates, soluble silica, kelp extract, and trace elements, it delivers maximum absorption and growth potential across a wide range of crops. This 400g powder makes over 90 gallons of solution, offering exceptional value for professional and hobby growers alike. OMRI-listed and pesticide-free, Mega Crop ensures clean, compliant nutrition for top-tier harvests.
| ASIN | B07LF5587C |
| Best Sellers Rank | #17,010 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #480 in Garden Fertilizers |
| Brand | Greenleaf Nutrients |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,099) |
| Is Discontinued By Manufacturer | No |
| Item Form | Powder |
| Item Weight | 14.1 ounces |
| Item model number | Mega Crop |
| Manufacturer | Greenleaf Nutrients |
| Number of Items | 1 |
| Product Dimensions | 2 x 6 x 3 inches |
| Specific Uses For Product | General Plant Cultivation |
| Unit Count | 14.1096 Ounce |
D**N
Great in hydroponics
Works great in my hydroponics.
M**N
Easy to use and great results
I have used this on both orchids and cannabis to great success. You’ll get a lot of growth using this fertilizer, at all stages of development. Burn resistance will depend on what water you’re starting with. I only use reverse osmosis, so I rarely ever experience fertilizer burn. If you use municipal water, start with HALF the recommended dose. Then you can experiment from there. Good luck!
M**L
Cheap, awesome, product. Use it in live soil. 2x a week
For the price 5 stars... For quality 5 stars.... For yield n smelly terps 5 stars.... Nobody else sells all you need for years n years under 15$ i have all 4 of their products.. this the bloom the cal mag and part A and B.. all 5 stars
D**.
Made In China?
I’ve been using a few of Greenleaf Nutrients’ products for a little while now, and I will say that they do seem to work well in the garden. The bags are a good size and a decent value considering how much fertilizer you get. So far plants seem to like this 1-part fertilizer. When switching from another nutrient program, plants seem to react positively to these new nutrients. They continued to grow well. I think it should be known that these products are made in China as stated on the bottom, typed in very small letters. This may matter to some folks, and it could possibly mean that the makers aren’t as stringent as to what goes into the recipe. Who knows what quality ingredients are in these. If you are consuming your plants in the end, you may want to be careful what you feed them. This company makes it look like it’s made in either Canada or the US, but that’s a little misleading. I actually like the bags for packaging and they haven’t leaked for me. It mixes well and creates a dark color mixed solution for your plants. It doesn’t smell or anything. So it seems to work ok, just not sure what’s in it. Not sure if I’ll continue buying their products, they should be more up front with their customers.
T**I
Vegetative Nutrients
Complete nutrients for the vegetative cycle, but not ideal for the blooming cycle. Easy to use, just mix with water. One package lasts quite awhile. My plants love it.
J**I
great product
great product dissolves easy and my plants thrive with it
M**W
Works amazing, and the price is great
Very easy to use, with my RO water the ph has stayed between 5.89 and 6.28 at all strengths from 1\8 to the full 6 grams in flower. This is my first grow since getting my script and it has been amazing. Harvest first plant in two days. I did what most people say not to and started multiple strains and only have an issue with one plant having a calmag problem which I blame on the pheno as I have two of the same ww and no other plant has shown the same problem. This appears to work amazingly as a stand alone with the majority of plants but I would recommend extra calmag on hand, a little extra silica never hurts either. This is by far cheaper than any premixed nutes and you can try a sample off their site first and just pay shipping (which is what I did.). The sample is plenty for a smaller run, I have 5 in flower and four more in veg and have about 3/4 of the sample left still...I can only imagine how long this 20 plus lb will last. Only thing I don't like is the nitrogen balls draw in moisture and start sticking together. I have it in an air tight container with silica packs and it still happens so I would recommend pulling out a smaller amount from the large bag and sealing the rest in a food grade bucket with silica packs, only open to refill smaller container and leave sealed the rest of the time. Hopefully that will avoid so much moisture. I read they are changing up their recipe so perhaps moisture and calmag will not be an issue anymore, who knows. Either way it is affordable, easy to use, and works amazing. If your new to growing research everything first (I spent 4 months scouring the net before ever making a purchase.)from strains, breeders, electrical requirements, nutrients, deficiencies, temperatures, lighting, fans, ducting, water ph, Rh, lst, hst, monster cropping, mainlining, reverse osmosis systems etc and you can avoid the majority of newb problems I have read about. I have a lot to learn still but didn't lose any plants and have a MUCH larger yield than I expected for a first run.
A**R
Best I've tried lately
Tried product on my indoor grow and it's well worth the cost. This product put a dying plant; back to good health. I give this an A+++
S**3
Great product and works very well
M**N
I had previously used an A+B feed and had Ph Issues bouncing around... I switched to this, carefully measuring, then disolving in boiling water, before chilling with ice and adding to the reservoir. pH stayed rock steady for weeks and once those roots touched the dosed water in my hydroponics, it was like rocket fuel to them... so much so that the tomatoes overgrew everything else.. so I had to redesign my system to keep the toms separate!.. I did make a mistake when topping up.. when I should have checked the ppm, instead of just calculating the amount needed to top up the resevoir.. so had a touch of bottom rot on a couple of tomatoes, due to high nitrogen, but that was easily fixed through dilution of the resevoir and all was well... MY error, not the product. Will be buying more this season... having redesigned the set up, to self fill with water, forcing me to check PPM top calculate the Delta dose.
M**X
Mega Crop is an outstanding all-in-one fertilizer that has completely exceeded my expectations. Whether you're growing in hydroponics or soil, this fertilizer delivers everything plants need for healthy, vigorous growth. I love that it combines essential macro and micronutrients with organic components, eliminating the need for multiple products. It's easy to mix, dissolves well in water, and provides consistent results — my plants have never looked greener, healthier, and more productive. The fact that it's a one-part formula makes feeding incredibly simple and efficient. Overall, Mega Crop is a high-quality, well-balanced nutrient solution that I highly recommend to both beginners and experienced growers alike!
S**9
Excellent item many thanks
L**A
- £/L ratio beats all competition - Soluable granules/powder is better than liquid feeds (no fillers) - All in one easy application - Includes all the extras and additives from enzymes to chitosan - Discounts available on website/instagram Their Explosion P/K and Sweet Candy are coming to Amazon UK 2024
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