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๐ฟ Unlock your plantsโ hidden potential with every drop!
Bloom City SuperMicrobe Root Fertilizer and Stimulator is a 32 oz liquid formula enriched with 5 Bacillus strains, kelp, and organic worm castings. Designed to accelerate root development, improve nutrient uptake, and support soil health, itโs ideal for both indoor and outdoor plants. Odorless and easy to use, this USA-made fertilizer is a top choice for gardeners seeking sustainable, effective root stimulation.

















| ASIN | B07PHVYY86 |
| Best Sellers Rank | #35,703 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1,000 in Garden Fertilizers |
| Brand | Bloom City |
| Brand Name | Bloom City |
| Coverage | Full |
| Customer Reviews | 4.5 out of 5 stars 773 Reviews |
| Item Form | Liquid |
| Item Weight | 2 pounds |
| Liquid Volume | 32 fluid ounces |
| Manufacturer | Bloom City |
| Mixing Ratio | Mixed with compost teas, starters, or watering solutions |
| Model Number | BloomCity-SuperMicrobe-RS |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | root-32-fba-upc-0422 |
| Specific Uses For Product | Organic,Rooting |
| Target Species | Plants |
| UPC | 841401125493 |
| Unit Count | 32 Ounce |
M**A
SECOND purchase of Bloom Cityโs Root Fertilizer
The first time I bought this product, I had also bought another product by Bloom City (The Seaweed/Kelp Fertilizer) as well as a few other fertilizers. I saw great results in my vegetable garden, but realized that this didnโt prove the Root Fertilizerโs efficacy due to using multiple products at the same time. So as a second run I bought 3 products by Bloom City but only used the Root Fertilizer on my houseplants. I didnโt notice any difference in plant health/quality or root growth during the first week. But almost overnight, a week after using this product, I noticed not only fresh hyphae root growth, but also plant growth and deep green leaves for plants that seemed to have stayed the same size and looked unhealthy for a year or more. Anyway, this was extremely user friendly, lacks any odor making it perfect for indoor as well as outdoor plants, albeit, a bit expensive for the quantity provided. But overall, if you can afford it, itโs well worth the extra cost.
K**A
good for what your
This stuff really works. I use it when transplanting and also for the first couple of weeks of watering when I'm planting from seed. A gallon lasts a long time, too.
M**O
good stuff for newly planted and transplanted plants
I just bought a few new plants for this year, tomato, jalapeno, and 3 blueberry plants. They all were small in those very small round pots but i transplanted into pots that were at least 5 gallon or bigger. I used this to stimulate root growth and overall growth of my fruit/vegetable plants. My jalapeno grew from like 8" tall to over 3ft tall with like 20 jalapenos already in 3 months. My tomato plant is growing small cherry tomatoes already as well. My blueberry plants grew at least double in size from frail small green plants about 6" long to multiple branches at least double that now over 12" long branches and looking healthy. You only need very little and i only have giving it for about 3 times now, so it works well. I use a large pitcher and mix like 2 table spoons and fill the pitcher and then pour on all my fruit/vegetable plants/trees and that's it, super easy to use. 5 stars.
B**N
Little bottle BIG EFFECT
This product is a good value for the money, even though the bottle is kind of small it doesnโt take very much at all for it to give you beautiful plants at a fast grow rate. The instructions are very clear so itโs easy to use. It does smell like fish, but thatโs what makes it a quality fertilizer Itโs made with fish emulsion, which are highly beneficial to plants. And increases the grow rate exponentially it makes your greens greener and your flowers bigger and more robust
T**J
Works on St Augustin
Used it on a couple of repair sod for my lawn. Previous repair on that area was unsuccessful. This time the new sod recovered easily and grows better than the rest of the lawn even in this summer heat!
S**T
Excellent product
This product makes for stronger plants! My plants withstood a very strong windstorm without any branch damage.
J**C
Do not use in synganic grows
It seems to work really well for a lot of people so I gave it a try. I should have listened to the other reviewers who warned about this. While the nutrient profile looks great on paper, this formula is highly reactive in hybrid organic/synthetic (synganic) or hydroponic environments. I attempted to use this in my current setup and it immediately caused root rot. The organic matter in the salmon and kelp seems to trigger a massive, unwanted microbial explosion when mixed with certain synthetic bases or kept in high-moisture hydro systems. If you are running a strictly organic soil grow, you might be fine, but if you have any synthetic components or a reservoir, stay away. It ruined my root zone.
M**R
I would buy again
It hasn't hurt and that's my first goal so...
Trustpilot
2 weeks ago
1 day ago