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🌊 Cultivate your reef’s secret superfood—because thriving tanks don’t wait!
F2 Ferts (8oz) is a concentrated, lab-grade Guillard's F/2 formula designed for professional phytoplankton culture. It enables reef enthusiasts to grow nutrient-dense microalgae at home, supporting copepod and coral health with a silicate-free, reef-safe solution that yields over 230 liters of culture medium from a single bottle.
| ASIN | B08ZYGBGPQ |
| Best Sellers Rank | #33,807 in Pet Supplies ( See Top 100 in Pet Supplies ) #280 in Aquarium Water Treatments |
| Brand | Aqua Algae |
| Brand Name | Aqua Algae |
| Customer Reviews | 4.7 out of 5 stars 159 Reviews |
| Item Form | Liquid |
| Liquid Volume | 8 fluid ounces |
| Manufacturer | Aqua Algae |
| Number of Items | 1 |
| Pet Type | Fish |
| Target Species | Fish, Marine Invertebrates |
| UPC | 661317842068 |
| Unit Count | 8 Fluid Ounces |
H**H
Works
I bought this fertilizer to grow a culture of Tetra. I usually run about 4 different containers at once to equal about 5 gallons total of phyto. I put about 3 mL in each container on day 1. I also add about another 1.5 mL on day 5. I typically harvest on day 7-10 and the culture gets very dark. I have no complaints about this fertilizer and it works just as well as some other more expensive brands. I'm not even halfway through the bottle yet and I have harvested more phyto than I can use for my 300gal reef tank.
M**A
Stands up to thousands of reviews as best microalgae fertilizer
Great value! Only need 1 ml per liter! Can make 1000 liters of growth solution per bottle when mixed with filtered water. Odorless. High quality/easy to use. It is used to grow quality, healthy, vibrant strains of almost any type of algae or phytoplankton for science projects or climate research. Very useful! Personally, I am usually a critic before a proponent of the products I buy. But this fertilizer lived up to the claims. I use it to grow a few different species of algae, which I then use to add nitrogen to my compost bin. I also have a reef tank with wild grown live rock (which has to my knowledge, hundreds of different organisms that live attached or inside the rock). To keep them healthy, they need a steady supply of phytoplankton and certain algae. The live rock is over 2 years old and all the filter feeders, fans, and barnacles are still going strong!
M**.
Fertilizer Works Great
I bought this to grow my own algae to feed my sea monkeys. Works great.
L**A
Does not come with a syringe. Make sure you have one on hand for accurate. Dosing
Great product drows, my phytoplankton. Nice and dark for my reef. Keeping hobby
S**T
Best fertilizer out there
Man does my phytoplankton love this stuff
P**A
If it dont work. Its because you are doing something wrong
Works great.
P**N
Good for Pyrocystis
Used this to culture some Pyrocystis/bioluminescent dinoflagellates and its working well, the new cultures I made with the ferts are vigorous and healthy. Not sterile so take some caution but that's easy enough to overcome.
B**D
The good stuff
This will grow yoir culture correctly. Don't substitute!!
G**Z
Producto ecxelente
Ecxelente producto
K**H
Excellent!
It color up my phytoplankton in 48hrs!
T**R
Tony
Very good for making green water. 1ml for every 1litre of fish tank water.
Trustpilot
2 months ago
4 days ago