🌊 Fuel your reef’s future with the power of PRO-level algae nutrition!
Fritz PRO - F/2 Algae Food PTB is a concentrated, scientifically formulated part B solution designed to maximize microalgae growth for aquatic ecosystems. Made in the USA, this 1-gallon nutrient mix delivers essential vitamins and minerals based on Guillard’s proven 1975 f/2 formula, enabling fast growth and high cell density. Ideal for reef hobbyists and aquaculturists seeking efficient, reliable algae cultivation to support shrimp, mollusks, and other aquatic life.
| ASIN | B00OTH5Q90 |
| ASIN | B00OTH5Q90 |
| Best Sellers Rank | #100,375 in Pet Supplies ( See Top 100 in Pet Supplies ) #956 in Aquarium Fish Food |
| Brand Name | Fritz Aquatics |
| Breed Recommendation | Medium Breeds |
| Customer Reviews | 4.4 4.4 out of 5 stars (82) |
| Date First Available | November 1, 2014 |
| Date First Available | November 1, 2014 |
| Directions | Dosage / Instructions: Shake Well Before Using. Add one teaspoon (5 ml) Solution A and one teaspoon Solution B per 10 gallons (37.8 L) of fresh or saltwater. Metric dosage: 1 ml per 7.75 liters or 132 ml per cubic meter. If growing diatoms, add 49 mg Na2SiO3 per gallon or 13 mg per liter. NOTES: Final media concentration of vitamins and minerals will be equivalent to final concentrations in Guilla… |
| Included Components | Fritz PRO - F/2 Algae Food PTB- 1 Gallon |
| Item Dimensions LxWxH | 11.89 x 6 x 6 inches |
| Item Package Dimensions L x W x H | 11.89 x 5.91 x 5.91 inches |
| Item Weight | 11.77 pounds |
| Item model number | 84201 |
| Item model number | 84201 |
| Manufacturer | Fritz Aquatics |
| Manufacturer | Fritz Aquatics |
| Model Name | Fritz PRO - F/2 Algae Food PTB- 1 Gallon |
| Product Dimensions | 11.89 x 6 x 6 inches; 11.79 Pounds |
| Size | 1-Gallon |
| Specific Uses for Product | Coat |
| Target Audience Keyword | fish |
J**E
The real deal....
I grow phytoplankton to feed my corals and decided to try this two part, I experimented with other brand F2 and the results are amazing, this yield a very concentrated deep green culture.
R**S
Fantastic!
Awesome! I had used this bottle first: https://www.amazon.com/dp/B0CFK2PHMH?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_2&th=1 It was mostly just water, my phyto was a light green water color. As soon as I switched to this the phyto turned a super beautiful dark solid thick emerald green. Awesome product! Fritz rocks.
S**N
Worked for growing the algae, but you have to ...
Worked for growing the algae, but you have to guess how often to use it, as their are no instructions for this on the product label. I called and left a message with the company and am waiting on a reply to this question of how often to use the directed amount.
C**X
Great fertilizer. I am feeding my phytoplankton with this
Great fertilizer. I am feeding my phytoplankton with this, part A and B. I have had no issues and it has been working perfectly.
B**B
Great product..great price
Works well for phytoplankton culture.Use a s directed or your culture may crash.
S**E
This stuff grows phytoplankton great.
Using this along with PTA and it has made a huge difference in growing phytoplankton. On the left is what grew using miracle gro, on the right is what grew using Fritz. I must say I’m pleased. Side note: I haven’t yet put the grown phyto in my tank after using this product so I’m not sure what additional effect it may or may not have on the tank. So far so good.
J**H
Had to get 3
Ordered this to start culturing phyto. First one I received had the seal opened and smelled like sea water. I asked for a replacement. Next one I got was completely destroyed. Got another replacement. Third one I got yesterday looks like it was run over but the seal is intact. I will be testing it today to see if it actually works. Will update with pictures after. Update. 1 star. Third bottle is also not correct. Color in the bottle should be light pink and is instead clear, and likely used seawater. Never buying for this seller for any product again
F**C
Three Stars
didnt seem to do anything.
M**O
The description failed to mentioned this is only 1 part of the fertilizer. Without part A, it will not help with Algae growth. Prompt delivery.
R**.
The container was leaking when it was delivered. This means that the contents may be compromised (unsanitised). How can the item be replaced?
K**H
Luckily there’s no leakage.
Trustpilot
2 weeks ago
2 weeks ago
