API ROOT TABS Freshwater Aquarium Plant Fertilizer 0.4-Ounce 10-Count Box
Original price was: $13.98.$9.98Current price is: $9.98.
Price: $13.98 - $9.98
(as of Oct 31, 2025 07:00:19 UTC – Details)
API ROOT TABS Freshwater Aquarium Plant Fertilizer promote strong roots. Without proper fertilization, aquarium plants gradually yellow, drop their leaves and die. Aquarium plants require essential nutrients for vibrant growth. API ROOT TABS for freshwater aquarium are formulated to supply key nutrients, including iron and potassium and carbon, to help new aquatic plants get off to a vigorous start and to keep established plants flourishing. These nutrients are consumed over time in the aquarium and must be replenished for plants to thrive. Add tablets monthly to ensure best results. API ROOT TABS are safe for use with tropical fish. With API Aquarium products, it’s easy to keep a beautiful saltwater, freshwater or reef aquarium. For over 50 years, API has been creating innovative, research-driven solutions that make it easier to care for your fish and aquarium. API Aquarium Treatment Supplies are designed to work in conjunction with each other to provide best results to control algae, promote healthy bacterial growth and help control and cure fish diseases and conditions such as ich and fin rot. They work to provide a safe, hospitable environment for fish such as tropical community fish, cichlids, goldfish and more. With API, you can spend more time admiring your fish, and less time scrubbing your tank. Make sure to use all products as directed in order to ensure the best results.
Contains one (1) API ROOT TABS Freshwater Aquarium Plant Fertilizer 0. 4-Ounce 10-Count Box
Promotes strong root development for lush plants in freshwater aquariums
Contains essential nutrients including iron, potassium and carbon
Helps new aquatic plants get off to a vigorous start and to keep established plants flourishing
Add tablets to gravel bed every month to ensure best results
Customers say
Customers report that the fertilizer helps plants grow noticeably within two weeks and is easy to place in the substrate. The product works well and receives positive feedback for its quality. However, there are significant issues with water clarity, as it makes water cloudy, and the tablets dissolve too quickly upon contact with water. Moreover, customers report that the tablets break apart easily, and while some find it good value for money, others consider it overpriced for 10 small tabs.
13 reviews for API ROOT TABS Freshwater Aquarium Plant Fertilizer 0.4-Ounce 10-Count Box
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Original price was: $13.98.$9.98Current price is: $9.98.
Becky K –
Works just like it’s supposed to!
These worked great for my plants. They just weren’t growing until I used these and now they’re growing like crazy! They’re now taller, fuller and have brighter color. My aquarium is looking fantastic!
Dylan –
Good for leaves
I cannot recommend these enough I put an entire pack in my 20 gallon next to all my dwarf hairgrass and within 2 days they all sent out runners that are already poking through the gravel, supports healthy, non yellowing plant growth, they do make the water a bit cloudy so put them in fast!
0DTE YOLO –
Perfect for aquarium plants, and priced well
Great for a planted aquarium. These really get the plants going good with lots of nutrients. Just beware of over using them or you will have an algae issue that is hard to fix. I used these for amazon swords mostly, and they grew right out of the tank and the plants became very full and lush.
Ren –
Seems to work, donât like crumbling
Seems to do itâs job! I donât like that the tab immediately starts dissolving the second it touches the water, so you have to be quick putting it under the sand.
Alex Kenobi –
Excellent for planted aquarium!
Firstly, I crushed up 5 tabs and mixed it into the substrate before laying it into my aqua build. Itâs been 6 weeks since my initial use and wow! The plants I used are growing amazingly! The appearance, they look vibrant and green. The plants look healthy and well. As far as taste goes..itâs in my aquarium, so I refuse to taste them for reasonsâ¦
Jesse R –
Starts melting as soon as it touches the water
Maybe I got a bad batch but these root tabs start melting as soon as it hits the water, then turns into a cloud of fertilizer as I try to push it mid way into a sand substrate. The cloudiness clears up after a few mins but I wonder how much of it made it into the substrate and not in the filter.
Maddie –
Easy and works
Easy to use! Just stick it in the substrate and thats it! My plants have grown so much better since using this.
Alejandro Zamora –
Excellent
Great
Kumar Chatterjee –
Using it. Used twice in a month. Not sure about benefits yet
Pamela E –
Plants like it.
Tatyana –
Not sure how it will work on my plants but it did make my aquarium water cloudy and brown. I have changed half tank water the next day after using this tabs. Hopefully cloudiness and discoloration will go away and wonât effect my fishes. Wonât buy it again
Stacey McGregor –
Happy with product will purchase again!Thank you
Fritsa Wolf –
The plants are looking nice and healthy so far!